From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 933ABE784BB for ; Mon, 2 Oct 2023 12:06:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236966AbjJBMGo (ORCPT ); Mon, 2 Oct 2023 08:06:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37350 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236927AbjJBMGa (ORCPT ); Mon, 2 Oct 2023 08:06:30 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A3423D3; Mon, 2 Oct 2023 05:06:26 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id F2A8D6607243; Mon, 2 Oct 2023 13:06:24 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248385; bh=8xj+A2BpzIDj7xwabS651YXoIHIdIQ3kHPb3/Idtc2I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lsWfn7aKtK9coLq3dZZhJ0CQoy25PkH8wBnF0N/97O9Q7VvxuzihaW73qT7uFb+WT 2NGy1/KPl5aNfz80nNt43jYQofJMl+bm6tf+iSwkwp5YrzU1fLkuj4WLvb+fdEA+sa CrU9QZjlH2LhWWjkPibeRgGGnMCP3HtdIoalqmECsUwbrufRPsei0f/U+zdJNF93Tg uUu4DEjnjyOJDha8Nt9WGjyrigR/70YS9RV5XToRgp3S2WQucLP4LM9fnn+utExQ04 iwdtbOurUjkfVXdR8wxVPL4CODAqHs47GPFW93o4/36EA/5HOrlNCHuWJz7HZVG9U0 qQXrqOFtj3zVg== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 01/53] media: videobuf2: Rework offset 'cookie' encoding pattern Date: Mon, 2 Oct 2023 14:05:25 +0200 Message-Id: <20231002120617.119602-2-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Change how offset 'cookie' field value is computed to make possible to use more buffers. The maximum number of buffers depends of PAGE_SHIFT value and can go up to 0x7fff when PAGE_SHIFT =3D 12. With this encoding pattern we know the maximum number that a queue could store so we can check it at queue init time. It also make easier and faster to find buffer and plane from using the offset field. Change __find_plane_by_offset() prototype to return the video buffer itself rather than it index. Signed-off-by: Benjamin Gaignard --- changes in version 9: - BUFFER_INDEX_MASK now depends on PAGE_SHIFT value to match architectures requirements. .../media/common/videobuf2/videobuf2-core.c | 71 +++++++++---------- 1 file changed, 32 insertions(+), 39 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/medi= a/common/videobuf2/videobuf2-core.c index cf6727d9c81f..a0540b2e461f 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -31,6 +31,10 @@ =20 #include =20 +#define PLANE_INDEX_SHIFT (PAGE_SHIFT + 3) +#define PLANE_INDEX_MASK 0x7 +#define BUFFER_INDEX_MASK (BIT_MASK(30 - PLANE_INDEX_SHIFT) - 1) + static int debug; module_param(debug, int, 0644); =20 @@ -358,21 +362,24 @@ static void __setup_offsets(struct vb2_buffer *vb) unsigned int plane; unsigned long off =3D 0; =20 - if (vb->index) { - struct vb2_buffer *prev =3D q->bufs[vb->index - 1]; - struct vb2_plane *p =3D &prev->planes[prev->num_planes - 1]; - - off =3D PAGE_ALIGN(p->m.offset + p->length); - } + /* + * Offsets cookies value have the following constraints: + * - a buffer could have up to 8 planes. + * - v4l2 mem2mem use bit 30 to distinguish between source and destinatio= n buffers. + * - must be page aligned + * That led to this bit mapping when PAGE_SHIFT =3D 12: + * |30 |29 15|14 12|11 0| + * |DST_QUEUE_OFF_BASE|buffer index|plane index| 0 | + * where there are 15 bits to store buffer index. + * Depending on PAGE_SHIFT value we can have else bits to store buffer in= dex. + */ + off =3D vb->index << PLANE_INDEX_SHIFT; =20 for (plane =3D 0; plane < vb->num_planes; ++plane) { - vb->planes[plane].m.offset =3D off; + vb->planes[plane].m.offset =3D off + (plane << PAGE_SHIFT); =20 dprintk(q, 3, "buffer %d, plane %d offset 0x%08lx\n", vb->index, plane, off); - - off +=3D vb->planes[plane].length; - off =3D PAGE_ALIGN(off); } } =20 @@ -2185,13 +2192,12 @@ int vb2_core_streamoff(struct vb2_queue *q, unsigne= d int type) EXPORT_SYMBOL_GPL(vb2_core_streamoff); =20 /* - * __find_plane_by_offset() - find plane associated with the given offset = off + * __find_plane_by_offset() - find video buffer and plane associated with = the given offset off */ static int __find_plane_by_offset(struct vb2_queue *q, unsigned long off, - unsigned int *_buffer, unsigned int *_plane) + struct vb2_buffer **vb, unsigned int *plane) { - struct vb2_buffer *vb; - unsigned int buffer, plane; + unsigned int buffer; =20 /* * Sanity checks to ensure the lock is held, MEMORY_MMAP is @@ -2209,24 +2215,15 @@ static int __find_plane_by_offset(struct vb2_queue = *q, unsigned long off, return -EBUSY; } =20 - /* - * Go over all buffers and their planes, comparing the given offset - * with an offset assigned to each plane. If a match is found, - * return its buffer and plane numbers. - */ - for (buffer =3D 0; buffer < q->num_buffers; ++buffer) { - vb =3D q->bufs[buffer]; + /* Get buffer and plane from the offset */ + buffer =3D (off >> PLANE_INDEX_SHIFT) & BUFFER_INDEX_MASK; + *plane =3D (off >> PAGE_SHIFT) & PLANE_INDEX_MASK; =20 - for (plane =3D 0; plane < vb->num_planes; ++plane) { - if (vb->planes[plane].m.offset =3D=3D off) { - *_buffer =3D buffer; - *_plane =3D plane; - return 0; - } - } - } + if (buffer >=3D q->num_buffers || *plane >=3D q->bufs[buffer]->num_planes) + return -EINVAL; =20 - return -EINVAL; + *vb =3D q->bufs[buffer]; + return 0; } =20 int vb2_core_expbuf(struct vb2_queue *q, int *fd, unsigned int type, @@ -2306,7 +2303,7 @@ int vb2_mmap(struct vb2_queue *q, struct vm_area_stru= ct *vma) { unsigned long off =3D vma->vm_pgoff << PAGE_SHIFT; struct vb2_buffer *vb; - unsigned int buffer =3D 0, plane =3D 0; + unsigned int plane =3D 0; int ret; unsigned long length; =20 @@ -2335,12 +2332,10 @@ int vb2_mmap(struct vb2_queue *q, struct vm_area_st= ruct *vma) * Find the plane corresponding to the offset passed by userspace. This * will return an error if not MEMORY_MMAP or file I/O is in progress. */ - ret =3D __find_plane_by_offset(q, off, &buffer, &plane); + ret =3D __find_plane_by_offset(q, off, &vb, &plane); if (ret) goto unlock; =20 - vb =3D q->bufs[buffer]; - /* * MMAP requires page_aligned buffers. * The buffer length was page_aligned at __vb2_buf_mem_alloc(), @@ -2368,7 +2363,7 @@ int vb2_mmap(struct vb2_queue *q, struct vm_area_stru= ct *vma) if (ret) return ret; =20 - dprintk(q, 3, "buffer %d, plane %d successfully mapped\n", buffer, plane); + dprintk(q, 3, "buffer %u, plane %d successfully mapped\n", vb->index, pla= ne); return 0; } EXPORT_SYMBOL_GPL(vb2_mmap); @@ -2382,7 +2377,7 @@ unsigned long vb2_get_unmapped_area(struct vb2_queue = *q, { unsigned long off =3D pgoff << PAGE_SHIFT; struct vb2_buffer *vb; - unsigned int buffer, plane; + unsigned int plane; void *vaddr; int ret; =20 @@ -2392,12 +2387,10 @@ unsigned long vb2_get_unmapped_area(struct vb2_queu= e *q, * Find the plane corresponding to the offset passed by userspace. This * will return an error if not MEMORY_MMAP or file I/O is in progress. */ - ret =3D __find_plane_by_offset(q, off, &buffer, &plane); + ret =3D __find_plane_by_offset(q, off, &vb, &plane); if (ret) goto unlock; =20 - vb =3D q->bufs[buffer]; - vaddr =3D vb2_plane_vaddr(vb, plane); mutex_unlock(&q->mmap_lock); return vaddr ? (unsigned long)vaddr : -EINVAL; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B44EE748F8 for ; Mon, 2 Oct 2023 12:06:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236930AbjJBMGv (ORCPT ); Mon, 2 Oct 2023 08:06:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37386 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236963AbjJBMGb (ORCPT ); Mon, 2 Oct 2023 08:06:31 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 28D239D; Mon, 2 Oct 2023 05:06:27 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 81A4966072E6; Mon, 2 Oct 2023 13:06:25 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248385; bh=ewr9Vh5Cc0IA4rBgAgrZFpLSaoTveE08CJg9pE7fvqg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JKzxhO7E0m5vLqHlrwbUu5AORsZ6559h06j6zSQeSU0lIUFz5xq/EuIZVpBsj1OMm uNxvm6Q/A9GKih508Awm2rcV+37/K8tiV46xgAfDJlzY1F00a48rXy2kH8RDQsSnl9 su2207j9wqt+6I7snXoJAzCvKc7+KQ63/s4syjjytUn/Ey8go8mVr0t0YWqeUnWeq9 YbOd8NdS1EYY7lbSgyruQ5rWQ413YupU3Z4x6W/mIYjyoE3YcifmaZR435hMJbFlzP hR0GY2SDZJKuy0P48P9p+GuAW6581hNQti3wNBU4sEOxS1Sd2sFPBUQBXjbD4pHk1q P/3z17mijhlcw== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 02/53] media: videobuf2: Stop spamming kernel log with all queue counter Date: Mon, 2 Oct 2023 14:05:26 +0200 Message-Id: <20231002120617.119602-3-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Only report unbalanced queue counters do avoid spamming kernel log with useless information. Signed-off-by: Benjamin Gaignard --- .../media/common/videobuf2/videobuf2-core.c | 79 +++++++++++-------- 1 file changed, 44 insertions(+), 35 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/medi= a/common/videobuf2/videobuf2-core.c index a0540b2e461f..d43fa1ad2529 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -529,25 +529,26 @@ static void __vb2_queue_free(struct vb2_queue *q, uns= igned int buffers) =20 #ifdef CONFIG_VIDEO_ADV_DEBUG /* - * Check that all the calls were balances during the life-time of this - * queue. If not (or if the debug level is 1 or up), then dump the - * counters to the kernel log. + * Check that all the calls were balanced during the life-time of this + * queue. If not then dump the counters to the kernel log. */ if (q->num_buffers) { bool unbalanced =3D q->cnt_start_streaming !=3D q->cnt_stop_streaming || q->cnt_prepare_streaming !=3D q->cnt_unprepare_streaming || q->cnt_wait_prepare !=3D q->cnt_wait_finish; =20 - if (unbalanced || debug) { - pr_info("counters for queue %p:%s\n", q, - unbalanced ? " UNBALANCED!" : ""); - pr_info(" setup: %u start_streaming: %u stop_streaming: %u\n", - q->cnt_queue_setup, q->cnt_start_streaming, - q->cnt_stop_streaming); - pr_info(" prepare_streaming: %u unprepare_streaming: %u\n", - q->cnt_prepare_streaming, q->cnt_unprepare_streaming); - pr_info(" wait_prepare: %u wait_finish: %u\n", - q->cnt_wait_prepare, q->cnt_wait_finish); + if (unbalanced) { + pr_info("unbalanced counters for queue %p:\n", q); + if (q->cnt_start_streaming !=3D q->cnt_stop_streaming) + pr_info(" setup: %u start_streaming: %u stop_streaming: %u\n", + q->cnt_queue_setup, q->cnt_start_streaming, + q->cnt_stop_streaming); + if (q->cnt_prepare_streaming !=3D q->cnt_unprepare_streaming) + pr_info(" prepare_streaming: %u unprepare_streaming: %u\n", + q->cnt_prepare_streaming, q->cnt_unprepare_streaming); + if (q->cnt_wait_prepare !=3D q->cnt_wait_finish) + pr_info(" wait_prepare: %u wait_finish: %u\n", + q->cnt_wait_prepare, q->cnt_wait_finish); } q->cnt_queue_setup =3D 0; q->cnt_wait_prepare =3D 0; @@ -568,29 +569,37 @@ static void __vb2_queue_free(struct vb2_queue *q, uns= igned int buffers) vb->cnt_buf_prepare !=3D vb->cnt_buf_finish || vb->cnt_buf_init !=3D vb->cnt_buf_cleanup; =20 - if (unbalanced || debug) { - pr_info(" counters for queue %p, buffer %d:%s\n", - q, buffer, unbalanced ? " UNBALANCED!" : ""); - pr_info(" buf_init: %u buf_cleanup: %u buf_prepare: %u buf_finish: = %u\n", - vb->cnt_buf_init, vb->cnt_buf_cleanup, - vb->cnt_buf_prepare, vb->cnt_buf_finish); - pr_info(" buf_out_validate: %u buf_queue: %u buf_done: %u buf_reque= st_complete: %u\n", - vb->cnt_buf_out_validate, vb->cnt_buf_queue, - vb->cnt_buf_done, vb->cnt_buf_request_complete); - pr_info(" alloc: %u put: %u prepare: %u finish: %u mmap: %u\n", - vb->cnt_mem_alloc, vb->cnt_mem_put, - vb->cnt_mem_prepare, vb->cnt_mem_finish, - vb->cnt_mem_mmap); - pr_info(" get_userptr: %u put_userptr: %u\n", - vb->cnt_mem_get_userptr, vb->cnt_mem_put_userptr); - pr_info(" attach_dmabuf: %u detach_dmabuf: %u map_dmabuf: %u unmap_= dmabuf: %u\n", - vb->cnt_mem_attach_dmabuf, vb->cnt_mem_detach_dmabuf, - vb->cnt_mem_map_dmabuf, vb->cnt_mem_unmap_dmabuf); - pr_info(" get_dmabuf: %u num_users: %u vaddr: %u cookie: %u\n", + if (unbalanced) { + pr_info("unbalanced counters for queue %p, buffer %d:\n", + q, buffer); + if (vb->cnt_buf_init !=3D vb->cnt_buf_cleanup) + pr_info(" buf_init: %u buf_cleanup: %u\n", + vb->cnt_buf_init, vb->cnt_buf_cleanup); + if (vb->cnt_buf_prepare !=3D vb->cnt_buf_finish) + pr_info(" buf_prepare: %u buf_finish: %u\n", + vb->cnt_buf_prepare, vb->cnt_buf_finish); + if (vb->cnt_buf_queue !=3D vb->cnt_buf_done) + pr_info(" buf_out_validate: %u buf_queue: %u buf_done: %u buf_requ= est_complete: %u\n", + vb->cnt_buf_out_validate, vb->cnt_buf_queue, + vb->cnt_buf_done, vb->cnt_buf_request_complete); + if (vb->cnt_mem_alloc !=3D vb->cnt_mem_put) + pr_info(" alloc: %u put: %u\n", + vb->cnt_mem_alloc, vb->cnt_mem_put); + if (vb->cnt_mem_prepare !=3D vb->cnt_mem_finish) + pr_info(" prepare: %u finish: %u\n", + vb->cnt_mem_prepare, vb->cnt_mem_finish); + if (vb->cnt_mem_get_userptr !=3D vb->cnt_mem_put_userptr) + pr_info(" get_userptr: %u put_userptr: %u\n", + vb->cnt_mem_get_userptr, vb->cnt_mem_put_userptr); + if (vb->cnt_mem_attach_dmabuf !=3D vb->cnt_mem_detach_dmabuf) + pr_info(" attach_dmabuf: %u detach_dmabuf: %u\n", + vb->cnt_mem_attach_dmabuf, vb->cnt_mem_detach_dmabuf); + if (vb->cnt_mem_map_dmabuf !=3D vb->cnt_mem_unmap_dmabuf) + pr_info(" map_dmabuf: %u unmap_dmabuf: %u\n", + vb->cnt_mem_map_dmabuf, vb->cnt_mem_unmap_dmabuf); + pr_info(" get_dmabuf: %u num_users: %u\n", vb->cnt_mem_get_dmabuf, - vb->cnt_mem_num_users, - vb->cnt_mem_vaddr, - vb->cnt_mem_cookie); + vb->cnt_mem_num_users); } } #endif --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12DBFE748EE for ; Mon, 2 Oct 2023 12:06:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236990AbjJBMGs (ORCPT ); Mon, 2 Oct 2023 08:06:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37368 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236960AbjJBMGb (ORCPT ); Mon, 2 Oct 2023 08:06:31 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A3B7194; Mon, 2 Oct 2023 05:06:27 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 0EBC266072F7; Mon, 2 Oct 2023 13:06:26 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248386; bh=c9C4SFV7E7cWfwxxnPDpB5EebIMq+6NJSdwe6i94vGk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=F6OLGt8fvVe3e2A+tA+AQW53LMfWLiNAoOiVofLOeqzdBs6KZncI9aF9JJ6qTcGVU mtOwqdipnKbAPl421VTJIcCdJ+9uRYcL47RR5N7ijybKFQaFAlezbcS/iP5IIrLPQb ceMOqEf5XPosngW2TuHN3L5hePie4L5NJy2s2YkLHO6FUHBIOGWrL9+oi+YzowaiAC ml0x2bWN+4A1/UQkWDI2TOVbFD8k22ypo575a9WQrrvy0nZznN+DuEIFheabcI4fRX U919Csm1+0TkjzxuaZCa7bfXlu8NcKeGfi+MLbYT5yw4rLOtawvdgov71gpATcGd+4 eppikpcMZ/JuA== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 03/53] media: videobuf2: Use vb2_buffer instead of index Date: Mon, 2 Oct 2023 14:05:27 +0200 Message-Id: <20231002120617.119602-4-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Directly use vb2_buffer pointer instead of index inside queue array. Signed-off-by: Benjamin Gaignard --- .../media/common/videobuf2/videobuf2-core.c | 40 ++++++------------- .../media/common/videobuf2/videobuf2-v4l2.c | 30 ++++++++++++-- drivers/media/dvb-core/dvb_vb2.c | 6 +-- include/media/videobuf2-core.h | 16 ++++---- 4 files changed, 49 insertions(+), 43 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/medi= a/common/videobuf2/videobuf2-core.c index d43fa1ad2529..44ff1c1ef389 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -650,9 +650,9 @@ static bool __buffers_in_use(struct vb2_queue *q) return false; } =20 -void vb2_core_querybuf(struct vb2_queue *q, unsigned int index, void *pb) +void vb2_core_querybuf(struct vb2_queue *q, struct vb2_buffer *vb, void *p= b) { - call_void_bufop(q, fill_user_buffer, q->bufs[index], pb); + call_void_bufop(q, fill_user_buffer, vb, pb); } EXPORT_SYMBOL_GPL(vb2_core_querybuf); =20 @@ -1486,9 +1486,6 @@ static void vb2_req_unprepare(struct media_request_ob= ject *obj) WARN_ON(!vb->req_obj.req); } =20 -int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb, - struct media_request *req); - static void vb2_req_queue(struct media_request_object *obj) { struct vb2_buffer *vb =3D container_of(obj, struct vb2_buffer, req_obj); @@ -1503,7 +1500,7 @@ static void vb2_req_queue(struct media_request_object= *obj) * set. We just ignore that, and expect this will be caught the * next time vb2_req_prepare() is called. */ - err =3D vb2_core_qbuf(vb->vb2_queue, vb->index, NULL, NULL); + err =3D vb2_core_qbuf(vb->vb2_queue, vb, NULL, NULL); WARN_ON_ONCE(err && err !=3D -EIO); mutex_unlock(vb->vb2_queue->lock); } @@ -1558,12 +1555,10 @@ unsigned int vb2_request_buffer_cnt(struct media_re= quest *req) } EXPORT_SYMBOL_GPL(vb2_request_buffer_cnt); =20 -int vb2_core_prepare_buf(struct vb2_queue *q, unsigned int index, void *pb) +int vb2_core_prepare_buf(struct vb2_queue *q, struct vb2_buffer *vb, void = *pb) { - struct vb2_buffer *vb; int ret; =20 - vb =3D q->bufs[index]; if (vb->state !=3D VB2_BUF_STATE_DEQUEUED) { dprintk(q, 1, "invalid buffer state %s\n", vb2_state_name(vb->state)); @@ -1650,10 +1645,9 @@ static int vb2_start_streaming(struct vb2_queue *q) return ret; } =20 -int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb, +int vb2_core_qbuf(struct vb2_queue *q, struct vb2_buffer *vb, void *pb, struct media_request *req) { - struct vb2_buffer *vb; enum vb2_buffer_state orig_state; int ret; =20 @@ -1662,8 +1656,6 @@ int vb2_core_qbuf(struct vb2_queue *q, unsigned int i= ndex, void *pb, return -EIO; } =20 - vb =3D q->bufs[index]; - if (!req && vb->state !=3D VB2_BUF_STATE_IN_REQUEST && q->requires_requests) { dprintk(q, 1, "qbuf requires a request\n"); @@ -2236,9 +2228,8 @@ static int __find_plane_by_offset(struct vb2_queue *q= , unsigned long off, } =20 int vb2_core_expbuf(struct vb2_queue *q, int *fd, unsigned int type, - unsigned int index, unsigned int plane, unsigned int flags) + struct vb2_buffer *vb, unsigned int plane, unsigned int flags) { - struct vb2_buffer *vb =3D NULL; struct vb2_plane *vb_plane; int ret; struct dma_buf *dbuf; @@ -2263,13 +2254,6 @@ int vb2_core_expbuf(struct vb2_queue *q, int *fd, un= signed int type, return -EINVAL; } =20 - if (index >=3D q->num_buffers) { - dprintk(q, 1, "buffer index out of range\n"); - return -EINVAL; - } - - vb =3D q->bufs[index]; - if (plane >=3D vb->num_planes) { dprintk(q, 1, "buffer plane out of range\n"); return -EINVAL; @@ -2288,20 +2272,20 @@ int vb2_core_expbuf(struct vb2_queue *q, int *fd, u= nsigned int type, flags & O_ACCMODE); if (IS_ERR_OR_NULL(dbuf)) { dprintk(q, 1, "failed to export buffer %d, plane %d\n", - index, plane); + vb->index, plane); return -EINVAL; } =20 ret =3D dma_buf_fd(dbuf, flags & ~O_ACCMODE); if (ret < 0) { dprintk(q, 3, "buffer %d, plane %d failed to export (%d)\n", - index, plane, ret); + vb->index, plane, ret); dma_buf_put(dbuf); return ret; } =20 dprintk(q, 3, "buffer %d, plane %d exported as %d descriptor\n", - index, plane, ret); + vb->index, plane, ret); *fd =3D ret; =20 return 0; @@ -2706,7 +2690,7 @@ static int __vb2_init_fileio(struct vb2_queue *q, int= read) * Queue all buffers. */ for (i =3D 0; i < q->num_buffers; i++) { - ret =3D vb2_core_qbuf(q, i, NULL, NULL); + ret =3D vb2_core_qbuf(q, q->bufs[i], NULL, NULL); if (ret) goto err_reqbufs; fileio->bufs[i].queued =3D 1; @@ -2891,7 +2875,7 @@ static size_t __vb2_perform_fileio(struct vb2_queue *= q, char __user *data, size_ =20 if (copy_timestamp) b->timestamp =3D ktime_get_ns(); - ret =3D vb2_core_qbuf(q, index, NULL, NULL); + ret =3D vb2_core_qbuf(q, b, NULL, NULL); dprintk(q, 5, "vb2_dbuf result: %d\n", ret); if (ret) return ret; @@ -2994,7 +2978,7 @@ static int vb2_thread(void *data) if (copy_timestamp) vb->timestamp =3D ktime_get_ns(); if (!threadio->stop) - ret =3D vb2_core_qbuf(q, vb->index, NULL, NULL); + ret =3D vb2_core_qbuf(q, vb, NULL, NULL); call_void_qop(q, wait_prepare, q); if (ret || threadio->stop) break; diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/medi= a/common/videobuf2/videobuf2-v4l2.c index c7a54d82a55e..697c8a9f98cd 100644 --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c @@ -667,7 +667,7 @@ int vb2_querybuf(struct vb2_queue *q, struct v4l2_buffe= r *b) vb =3D q->bufs[b->index]; ret =3D __verify_planes_array(vb, b); if (!ret) - vb2_core_querybuf(q, b->index, b); + vb2_core_querybuf(q, vb, b); return ret; } EXPORT_SYMBOL(vb2_querybuf); @@ -723,6 +723,7 @@ EXPORT_SYMBOL_GPL(vb2_reqbufs); int vb2_prepare_buf(struct vb2_queue *q, struct media_device *mdev, struct v4l2_buffer *b) { + struct vb2_buffer *vb; int ret; =20 if (vb2_fileio_is_active(q)) { @@ -733,9 +734,15 @@ int vb2_prepare_buf(struct vb2_queue *q, struct media_= device *mdev, if (b->flags & V4L2_BUF_FLAG_REQUEST_FD) return -EINVAL; =20 + if (b->index >=3D q->num_buffers) { + dprintk(q, 1, "buffer index out of range\n"); + return -EINVAL; + } + vb =3D q->bufs[b->index]; + ret =3D vb2_queue_or_prepare_buf(q, mdev, b, true, NULL); =20 - return ret ? ret : vb2_core_prepare_buf(q, b->index, b); + return ret ? ret : vb2_core_prepare_buf(q, vb, b); } EXPORT_SYMBOL_GPL(vb2_prepare_buf); =20 @@ -803,6 +810,7 @@ int vb2_qbuf(struct vb2_queue *q, struct media_device *= mdev, struct v4l2_buffer *b) { struct media_request *req =3D NULL; + struct vb2_buffer *vb; int ret; =20 if (vb2_fileio_is_active(q)) { @@ -810,10 +818,16 @@ int vb2_qbuf(struct vb2_queue *q, struct media_device= *mdev, return -EBUSY; } =20 + if (b->index >=3D q->num_buffers) { + dprintk(q, 1, "buffer index out of range\n"); + return -EINVAL; + } + vb =3D q->bufs[b->index]; + ret =3D vb2_queue_or_prepare_buf(q, mdev, b, false, &req); if (ret) return ret; - ret =3D vb2_core_qbuf(q, b->index, b, req); + ret =3D vb2_core_qbuf(q, vb, b, req); if (req) media_request_put(req); return ret; @@ -873,7 +887,15 @@ EXPORT_SYMBOL_GPL(vb2_streamoff); =20 int vb2_expbuf(struct vb2_queue *q, struct v4l2_exportbuffer *eb) { - return vb2_core_expbuf(q, &eb->fd, eb->type, eb->index, + struct vb2_buffer *vb; + + if (eb->index >=3D q->num_buffers) { + dprintk(q, 1, "buffer index out of range\n"); + return -EINVAL; + } + vb =3D q->bufs[eb->index]; + + return vb2_core_expbuf(q, &eb->fd, eb->type, vb, eb->plane, eb->flags); } EXPORT_SYMBOL_GPL(vb2_expbuf); diff --git a/drivers/media/dvb-core/dvb_vb2.c b/drivers/media/dvb-core/dvb_= vb2.c index 909df82fed33..b322ef179f05 100644 --- a/drivers/media/dvb-core/dvb_vb2.c +++ b/drivers/media/dvb-core/dvb_vb2.c @@ -360,7 +360,7 @@ int dvb_vb2_querybuf(struct dvb_vb2_ctx *ctx, struct dm= x_buffer *b) dprintk(1, "[%s] buffer index out of range\n", ctx->name); return -EINVAL; } - vb2_core_querybuf(&ctx->vb_q, b->index, b); + vb2_core_querybuf(&ctx->vb_q, q->bufs[b->index], b); dprintk(3, "[%s] index=3D%d\n", ctx->name, b->index); return 0; } @@ -370,7 +370,7 @@ int dvb_vb2_expbuf(struct dvb_vb2_ctx *ctx, struct dmx_= exportbuffer *exp) struct vb2_queue *q =3D &ctx->vb_q; int ret; =20 - ret =3D vb2_core_expbuf(&ctx->vb_q, &exp->fd, q->type, exp->index, + ret =3D vb2_core_expbuf(&ctx->vb_q, &exp->fd, q->type, q->bufs[exp->index= ], 0, exp->flags); if (ret) { dprintk(1, "[%s] index=3D%d errno=3D%d\n", ctx->name, @@ -391,7 +391,7 @@ int dvb_vb2_qbuf(struct dvb_vb2_ctx *ctx, struct dmx_bu= ffer *b) dprintk(1, "[%s] buffer index out of range\n", ctx->name); return -EINVAL; } - ret =3D vb2_core_qbuf(&ctx->vb_q, b->index, b, NULL); + ret =3D vb2_core_qbuf(&ctx->vb_q, q->bufs[b->index], b, NULL); if (ret) { dprintk(1, "[%s] index=3D%d errno=3D%d\n", ctx->name, b->index, ret); diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index 4b6a9d2ea372..cd3ff1cd759d 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -747,7 +747,7 @@ int vb2_wait_for_all_buffers(struct vb2_queue *q); /** * vb2_core_querybuf() - query video buffer information. * @q: pointer to &struct vb2_queue with videobuf2 queue. - * @index: id number of the buffer. + * @vb: pointer to struct &vb2_buffer. * @pb: buffer struct passed from userspace. * * Videobuf2 core helper to implement VIDIOC_QUERYBUF() operation. It is c= alled @@ -759,7 +759,7 @@ int vb2_wait_for_all_buffers(struct vb2_queue *q); * * Return: returns zero on success; an error code otherwise. */ -void vb2_core_querybuf(struct vb2_queue *q, unsigned int index, void *pb); +void vb2_core_querybuf(struct vb2_queue *q, struct vb2_buffer *vb, void *p= b); =20 /** * vb2_core_reqbufs() - Initiate streaming. @@ -823,7 +823,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_= memory memory, * vb2_core_prepare_buf() - Pass ownership of a buffer from userspace * to the kernel. * @q: pointer to &struct vb2_queue with videobuf2 queue. - * @index: id number of the buffer. + * @vb: pointer to struct &vb2_buffer. * @pb: buffer structure passed from userspace to * &v4l2_ioctl_ops->vidioc_prepare_buf handler in driver. * @@ -839,13 +839,13 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb= 2_memory memory, * * Return: returns zero on success; an error code otherwise. */ -int vb2_core_prepare_buf(struct vb2_queue *q, unsigned int index, void *pb= ); +int vb2_core_prepare_buf(struct vb2_queue *q, struct vb2_buffer *vb, void = *pb); =20 /** * vb2_core_qbuf() - Queue a buffer from userspace * * @q: pointer to &struct vb2_queue with videobuf2 queue. - * @index: id number of the buffer + * @vb: pointer to struct &vb2_buffer. * @pb: buffer structure passed from userspace to * v4l2_ioctl_ops->vidioc_qbuf handler in driver * @req: pointer to &struct media_request, may be NULL. @@ -867,7 +867,7 @@ int vb2_core_prepare_buf(struct vb2_queue *q, unsigned = int index, void *pb); * * Return: returns zero on success; an error code otherwise. */ -int vb2_core_qbuf(struct vb2_queue *q, unsigned int index, void *pb, +int vb2_core_qbuf(struct vb2_queue *q, struct vb2_buffer *vb, void *pb, struct media_request *req); =20 /** @@ -931,7 +931,7 @@ int vb2_core_streamoff(struct vb2_queue *q, unsigned in= t type); * @fd: pointer to the file descriptor associated with DMABUF * (set by driver). * @type: buffer type. - * @index: id number of the buffer. + * @vb: pointer to struct &vb2_buffer. * @plane: index of the plane to be exported, 0 for single plane queues * @flags: file flags for newly created file, as defined at * include/uapi/asm-generic/fcntl.h. @@ -945,7 +945,7 @@ int vb2_core_streamoff(struct vb2_queue *q, unsigned in= t type); * Return: returns zero on success; an error code otherwise. */ int vb2_core_expbuf(struct vb2_queue *q, int *fd, unsigned int type, - unsigned int index, unsigned int plane, unsigned int flags); + struct vb2_buffer *vb, unsigned int plane, unsigned int flags); =20 /** * vb2_core_queue_init() - initialize a videobuf2 queue --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F12A7E784BE for ; Mon, 2 Oct 2023 12:06:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237056AbjJBMGz (ORCPT ); Mon, 2 Oct 2023 08:06:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37378 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236957AbjJBMGb (ORCPT ); Mon, 2 Oct 2023 08:06:31 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2BB5FD8; Mon, 2 Oct 2023 05:06:28 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 8E75666072FB; Mon, 2 Oct 2023 13:06:26 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248387; bh=swS7yYiqBxggjIra2XX2pXDY4PPq3f683TK0rKa6DhQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=giuIe/fVSLygz4HErc6sFwbwJmDnvrm52UiCkx/M2fccRfO+Ne0i+/neDDX39GxNa KfVc3COaAoRLhuBm+BIKJ4NznCR0J0M4IFn247wArNNfQMouLhriiuR4CwYdsVJEmy T6sGr47TfKy/1+xLr38gwF7rvzU0NtGYvT5olCNNaO6QyoKEqXUziy/QI19UEriG0L ELooCGI0b7wmeddY7d5sPc4c6SQ6RFr/Nw4WKaiHriBeRJCEw2msFICeRCaKNCELEK mzK/yFia3472lzjIY7nkpfqvsSPFHVrKUFveTRI+Jj4WeNutHFdMvM/WOA0HItc3Zp t/wxBw5fWS8kQ== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 04/53] media: amphion: Use vb2_get_buffer() instead of directly access to buffers array Date: Mon, 2 Oct 2023 14:05:28 +0200 Message-Id: <20231002120617.119602-5-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_buffer() instead of directly access to vb2_buffer buffer array. This could allow to change the type bufs[] field of vb2_buffer structure if needed. After each call to vb2_get_buffer() we need to be sure that we get a valid pointer so check the return value of all of them. Signed-off-by: Benjamin Gaignard --- drivers/media/platform/amphion/vpu_dbg.c | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/amphion/vpu_dbg.c b/drivers/media/platf= orm/amphion/vpu_dbg.c index 982c2c777484..a462d6fe4ea9 100644 --- a/drivers/media/platform/amphion/vpu_dbg.c +++ b/drivers/media/platform/amphion/vpu_dbg.c @@ -140,11 +140,18 @@ static int vpu_dbg_instance(struct seq_file *s, void = *data) =20 vq =3D v4l2_m2m_get_src_vq(inst->fh.m2m_ctx); for (i =3D 0; i < vq->num_buffers; i++) { - struct vb2_buffer *vb =3D vq->bufs[i]; - struct vb2_v4l2_buffer *vbuf =3D to_vb2_v4l2_buffer(vb); + struct vb2_buffer *vb; + struct vb2_v4l2_buffer *vbuf; + + vb =3D vb2_get_buffer(vq, i); + if (!vb) + continue; =20 if (vb->state =3D=3D VB2_BUF_STATE_DEQUEUED) continue; + + vbuf =3D to_vb2_v4l2_buffer(vb); + num =3D scnprintf(str, sizeof(str), "output [%2d] state =3D %10s, %8s\n", i, vb2_stat_name[vb->state], @@ -155,11 +162,18 @@ static int vpu_dbg_instance(struct seq_file *s, void = *data) =20 vq =3D v4l2_m2m_get_dst_vq(inst->fh.m2m_ctx); for (i =3D 0; i < vq->num_buffers; i++) { - struct vb2_buffer *vb =3D vq->bufs[i]; - struct vb2_v4l2_buffer *vbuf =3D to_vb2_v4l2_buffer(vb); + struct vb2_buffer *vb; + struct vb2_v4l2_buffer *vbuf; + + vb =3D vb2_get_buffer(vq, i); + if (!vb) + continue; =20 if (vb->state =3D=3D VB2_BUF_STATE_DEQUEUED) continue; + + vbuf =3D to_vb2_v4l2_buffer(vb); + num =3D scnprintf(str, sizeof(str), "capture[%2d] state =3D %10s, %8s\n", i, vb2_stat_name[vb->state], --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BBC33E748EE for ; Mon, 2 Oct 2023 12:07:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237092AbjJBMHC (ORCPT ); Mon, 2 Oct 2023 08:07:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37402 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236980AbjJBMGd (ORCPT ); Mon, 2 Oct 2023 08:06:33 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 78A31D7; Mon, 2 Oct 2023 05:06:29 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 1C3EE6607312; Mon, 2 Oct 2023 13:06:27 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248387; bh=xgQ59ci0u36Sg6Kfk6W/knjQu2QF8jMpnRAVGSPYz3E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D9+O2Q9IcArZLPYSj8D1PjKYeWodQoG3w8ILa1N26Kdifx90d7dEipYEEYsYwBnf9 Er93XrV7EeA1WueYmCkbnBYGCT3DeGRqcZpFReiqgHdPlf/6TDldsA1MW9k5ihh31h +Oz9/ks+uXul/wu1ru3pLkqQUwIK6hjfFiJjCPlA99/qTRUmRQqa8KukYZBB3f4VJI RvveZpNdgfd7CEOv4G3P6jubRw7jvnXGfbDX9ukVT7k6V/vFv+AZWGwlBbo/EeTkrU FLQLYpLtprQziKxPY2Bmg1D7XT14okpMTeJnEdbVoKHWFwzfj550SZKxU0W+tPFV3h ThrxOoflrb8Kw== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 05/53] media: mediatek: jpeg: Use vb2_get_buffer() instead of directly access to buffers array Date: Mon, 2 Oct 2023 14:05:29 +0200 Message-Id: <20231002120617.119602-6-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_buffer() instead of directly access to vb2_buffer buffer array. This could allow to change the type bufs[] field of vb2_buffer structure if needed. After each call to vb2_get_buffer() we need to be sure that we get a valid pointer so check the return value of all of them. Signed-off-by: Benjamin Gaignard --- drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers= /media/platform/mediatek/jpeg/mtk_jpeg_core.c index 7194f88edc0f..73a063b1569b 100644 --- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c @@ -598,12 +598,11 @@ static int mtk_jpeg_qbuf(struct file *file, void *pri= v, struct v4l2_buffer *buf) goto end; =20 vq =3D v4l2_m2m_get_vq(fh->m2m_ctx, buf->type); - if (buf->index >=3D vq->num_buffers) { - dev_err(ctx->jpeg->dev, "buffer index out of range\n"); + vb =3D vb2_get_buffer(vq, buf->index); + if (!vb) { + dev_err(ctx->jpeg->dev, "buffer not found\n"); return -EINVAL; } - - vb =3D vq->bufs[buf->index]; jpeg_src_buf =3D mtk_jpeg_vb2_to_srcbuf(vb); jpeg_src_buf->bs_size =3D buf->m.planes[0].bytesused; =20 --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E3009E74901 for ; Mon, 2 Oct 2023 12:06:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237074AbjJBMG5 (ORCPT ); Mon, 2 Oct 2023 08:06:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236984AbjJBMGd (ORCPT ); Mon, 2 Oct 2023 08:06:33 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 76A3CD3; Mon, 2 Oct 2023 05:06:29 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 9CE336607314; Mon, 2 Oct 2023 13:06:27 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248388; bh=MAfzqnBElYsriZOe56F+JFfMksB0FEVAHWT7iRLKeFk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gQft/qs4HXHcaOnvsTV1VjfLtIR4x6frTn77MseWecOwzxMKmTVmft0lsnmGNa6On 2HHrXuVCR5s7Hz+C3s0duze8XZOStWWbxDTPaalTbQBpJs6j3dWDHIaGnD73gebmd7 3+rOKk6ULRfiOU5QMtOcVjjcQIPIXj3ll3GL095Dde5Ew0IhGFTXB9GBdZHsOJeOco gV2pEqHk+/NWMDQclk3UM4QZu5U3iLMFDe6pBXtUXnKpd8ORJYhnh1iq8qPDBBzwrH x/z6MLJINJYdc+eyeOfpDmgGIOMnc3kIv8torqzwf1Z6xa3WxZj7RAfye/0nZackJ4 /8O4PridKzwYw== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 06/53] media: mediatek: vdec: Remove useless loop Date: Mon, 2 Oct 2023 14:05:30 +0200 Message-Id: <20231002120617.119602-7-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Simplify code by removing useless loop by using video buffer index. Signed-off-by: Benjamin Gaignard --- .../mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_r= eq_lat_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_= req_lat_if.c index e393e3e668f8..69d37b93bd35 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_= if.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_= if.c @@ -1695,13 +1695,8 @@ static int vdec_vp9_slice_setup_core_buffer(struct v= dec_vp9_slice_instance *inst return -EINVAL; =20 /* update internal buffer's width/height */ - for (i =3D 0; i < vq->num_buffers; i++) { - if (vb =3D=3D vq->bufs[i]) { - instance->dpb[i].width =3D w; - instance->dpb[i].height =3D h; - break; - } - } + instance->dpb[vb->index].width =3D w; + instance->dpb[vb->index].height =3D h; =20 /* * get buffer's width/height from instance --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92C5FE784BE for ; Mon, 2 Oct 2023 12:07:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237178AbjJBMHF (ORCPT ); Mon, 2 Oct 2023 08:07:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37408 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236981AbjJBMGd (ORCPT ); Mon, 2 Oct 2023 08:06:33 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AD4AFDA; Mon, 2 Oct 2023 05:06:29 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 298E3660731D; Mon, 2 Oct 2023 13:06:28 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248388; bh=dORnTzB2rXmsaHgnhN9KRI5xHQJEBU6mRdZelnGjotA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ANY/SlcTIS9xvbBO6GqeOWDY1CFXdCUe6YQTXaSqymuiyKsQbnvtUnxPowI1uRjda k1l09jAB7GDi+SSnP/HTGeAizOnJpxL1zBeo+hTLGz9FoHfv5J8zmBvDELlz0FiMlN F4159b7AH1vQQTGykRD/waSHkYptPYMxXF4PLhoYw7bvACZEiq9Zc8xbEQhY07bPLP /nTK7uAQNGktsSKvfEwHA7tMYbawXcFHtREDQVpBzV2Ktu5k1I4U8Xp0VHbmLEZfgk 0KOoKAStThD7La1zhmMr9bofB/TBB8miDQXNnZ/0U4FxXLXK439jhJWzynH+McHp/U QDrDAyZMRK1ng== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 07/53] media: sti: hva: Use vb2_get_buffer() instead of directly access to buffers array Date: Mon, 2 Oct 2023 14:05:31 +0200 Message-Id: <20231002120617.119602-8-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_buffer() instead of directly access to vb2_buffer buffer array. After each call to vb2_get_buffer() we need to be sure that we get a valid pointer so check the return value of all of them. Remove index range test since it is done by vb2_get_buffer(). Signed-off-by: Benjamin Gaignard --- drivers/media/platform/st/sti/hva/hva-v4l2.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/media/platform/st/sti/hva/hva-v4l2.c b/drivers/media/p= latform/st/sti/hva/hva-v4l2.c index 3a848ca32a0e..cfe83e9dc01b 100644 --- a/drivers/media/platform/st/sti/hva/hva-v4l2.c +++ b/drivers/media/platform/st/sti/hva/hva-v4l2.c @@ -569,14 +569,11 @@ static int hva_qbuf(struct file *file, void *priv, st= ruct v4l2_buffer *buf) struct vb2_buffer *vb2_buf; =20 vq =3D v4l2_m2m_get_vq(ctx->fh.m2m_ctx, buf->type); - - if (buf->index >=3D vq->num_buffers) { - dev_dbg(dev, "%s buffer index %d out of range (%d)\n", - ctx->name, buf->index, vq->num_buffers); + vb2_buf =3D vb2_get_buffer(vq, buf->index); + if (!vb2_buf) { + dev_dbg(dev, "%s buffer index %d not found\n", ctx->name, buf->index); return -EINVAL; } - - vb2_buf =3D vb2_get_buffer(vq, buf->index); stream =3D to_hva_stream(to_vb2_v4l2_buffer(vb2_buf)); stream->bytesused =3D buf->bytesused; } --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 84750E784B7 for ; Mon, 2 Oct 2023 12:06:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237094AbjJBMG7 (ORCPT ); Mon, 2 Oct 2023 08:06:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37422 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236983AbjJBMGd (ORCPT ); Mon, 2 Oct 2023 08:06:33 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 40B30DC; Mon, 2 Oct 2023 05:06:30 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id A8ECE660731E; Mon, 2 Oct 2023 13:06:28 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248389; bh=Osy0YWOEVUvzSOYoJm+JBXSigMNkmpw77qpRTwkivks=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NogZwj8nDLG1OjgXAWYcYVBXvlFevYzFlkL5BiVLUIlAexAoyAZpO6Gey8okj7Aa0 6e8g03i6vAi1Z8ZRTCa3CbHPQRvtuJmEI2/tvqrBwJyefOmgHK22Y0Auk2LVUi/Z0n G17aMnxjcPxRO6P86fuDSGdBMmSFU5xvvybG44Xg92hhwTtJJYMUl422fLWyarDKvs ZyIhEO8F3uil4FIVdkxWQ+yHR7T5f1uXdpuGmzj7PVafsjReTBQlyJb28T8Vf5pDbE Q6YhP/+BleUtnWI3QLpl0alqghVxPMalnF8wOmgTLL/wcI0UfDCJdatKp35H8llcVX 7UbtXWokT0ebA== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 08/53] media: visl: Use vb2_get_buffer() instead of directly access to buffers array Date: Mon, 2 Oct 2023 14:05:32 +0200 Message-Id: <20231002120617.119602-9-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_buffer() instead of directly access to vb2_buffer buffer array. This could allow to change the type bufs[] field of vb2_buffer structure if needed. After each call to vb2_get_buffer() we need to be sure that we get a valid pointer so check the return value of all of them. Signed-off-by: Benjamin Gaignard --- drivers/media/test-drivers/visl/visl-dec.c | 28 ++++++++++++++++------ 1 file changed, 21 insertions(+), 7 deletions(-) diff --git a/drivers/media/test-drivers/visl/visl-dec.c b/drivers/media/tes= t-drivers/visl/visl-dec.c index 318d675e5668..ba20ea998d19 100644 --- a/drivers/media/test-drivers/visl/visl-dec.c +++ b/drivers/media/test-drivers/visl/visl-dec.c @@ -290,13 +290,20 @@ static void visl_tpg_fill(struct visl_ctx *ctx, struc= t visl_run *run) for (i =3D 0; i < out_q->num_buffers; i++) { char entry[] =3D "index: %u, state: %s, request_fd: %d, "; u32 old_len =3D len; - char *q_status =3D visl_get_vb2_state(out_q->bufs[i]->state); + struct vb2_buffer *vb2; + char *q_status; + + vb2 =3D vb2_get_buffer(out_q, i); + if (!vb2) + continue; + + q_status =3D visl_get_vb2_state(vb2->state); =20 len +=3D scnprintf(&buf[len], TPG_STR_BUF_SZ - len, entry, i, q_status, - to_vb2_v4l2_buffer(out_q->bufs[i])->request_fd); + to_vb2_v4l2_buffer(vb2)->request_fd); =20 - len +=3D visl_fill_bytesused(to_vb2_v4l2_buffer(out_q->bufs[i]), + len +=3D visl_fill_bytesused(to_vb2_v4l2_buffer(vb2), &buf[len], TPG_STR_BUF_SZ - len); =20 @@ -342,13 +349,20 @@ static void visl_tpg_fill(struct visl_ctx *ctx, struc= t visl_run *run) len =3D 0; for (i =3D 0; i < cap_q->num_buffers; i++) { u32 old_len =3D len; - char *q_status =3D visl_get_vb2_state(cap_q->bufs[i]->state); + struct vb2_buffer *vb2; + char *q_status; + + vb2 =3D vb2_get_buffer(cap_q, i); + if (!vb2) + continue; + + q_status =3D visl_get_vb2_state(vb2->state); =20 len +=3D scnprintf(&buf[len], TPG_STR_BUF_SZ - len, "index: %u, status: %s, timestamp: %llu, is_held: %d", - cap_q->bufs[i]->index, q_status, - cap_q->bufs[i]->timestamp, - to_vb2_v4l2_buffer(cap_q->bufs[i])->is_held); + vb2->index, q_status, + vb2->timestamp, + to_vb2_v4l2_buffer(vb2)->is_held); =20 tpg_gen_text(&ctx->tpg, basep, line++ * line_height, 16, &buf[old_len]); frame_dprintk(ctx->dev, run->dst->sequence, "%s", &buf[old_len]); --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 343AFE784BC for ; Mon, 2 Oct 2023 12:07:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237117AbjJBMHI (ORCPT ); Mon, 2 Oct 2023 08:07:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236996AbjJBMGe (ORCPT ); Mon, 2 Oct 2023 08:06:34 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7BE31A6; Mon, 2 Oct 2023 05:06:31 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 4057B66072FF; Mon, 2 Oct 2023 13:06:29 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248389; bh=zXmFfNU0uMtsKoYh9PP3wEGhm6Xs7lwp8Ba27axk8pE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aqGNR7ol6yzChR+uCnEriDgYWiToz7rivFjk14HeK9BIqiC+cdLwUCj7Ises9FtEC 9PKSLkvbjY/NBpWASDmp8pOvYhL9KJJfiGHfaGuTgGMKzyoGtg0EK5eAOa7RPtj+qF MH9h/RUlhCxs5ByyAfqfa75A0RyOVZggduunivyE5o3avTqncPYO23pBT3rXgbbvYN o1L16weNcQqve97MNQmvtj+qmKksSWman6S6MY5khkvr2kf07g6uN1ZFcS+4jIpp7v B2s82hDL34IVX6R6ixx+0C41LZnJnmstCMT0x+QHXjYHqgh4QOmb8sYLyfWUKNwtJN bZHusnOdNXOKQ== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 09/53] media: atomisp: Use vb2_get_buffer() instead of directly access to buffers array Date: Mon, 2 Oct 2023 14:05:33 +0200 Message-Id: <20231002120617.119602-10-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_buffer() instead of directly access to vb2_buffer buffer array. This could allow to change the type bufs[] field of vb2_buffer structure if needed. No need to check the result of vb2_get_buffer, vb2_ioctl_dqbuf() already checked that it is valid. Signed-off-by: Benjamin Gaignard --- drivers/staging/media/atomisp/pci/atomisp_ioctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/st= aging/media/atomisp/pci/atomisp_ioctl.c index d2174156573a..4b65c69fa60d 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c +++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c @@ -1061,7 +1061,7 @@ static int atomisp_dqbuf_wrapper(struct file *file, v= oid *fh, struct v4l2_buffer if (ret) return ret; =20 - vb =3D pipe->vb_queue.bufs[buf->index]; + vb =3D vb2_get_buffer(&pipe->vb_queue, buf->index); frame =3D vb_to_frame(vb); =20 buf->reserved =3D asd->frame_status[buf->index]; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AAC02E74902 for ; Mon, 2 Oct 2023 12:07:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237003AbjJBMHL (ORCPT ); Mon, 2 Oct 2023 08:07:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37438 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236993AbjJBMGe (ORCPT ); Mon, 2 Oct 2023 08:06:34 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7BD119D; Mon, 2 Oct 2023 05:06:31 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id C3D9C6607325; Mon, 2 Oct 2023 13:06:29 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248390; bh=EMKVWITArl2PHuWHDFd/NcTii9pr6T7GjKNa1Tuop1w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VgnDE4LcDMcIb3QOGTX80WpnO4h5ZZThD4MlCUz2vh52JAJTkzMUrM1KNh82GuMYi R6RcXiYKNe4CtTF8L0yIfHrO7Q5aeQVo50f9MddD7qCQHM6e/ahGGT7HiRP7wEkQH+ nRsHZGf+Qugk8MtatnA9TPftEeMwhUSAPU/A6KMlECB//iSUMOjHKE6lWAoyLFDy3U QmC4ru17IQ1sEMR+kvNvd84iaLljsryg4AYhVyEFLsvNI8J5zB8VvrrGZ9hu1EPos8 4Hs0B0N1hHG6gFO00+zjBwDKn2lPpa8JCmWxUqvyI/2ToIkSu0Sa78tl10YvvMFPRK 75PRoa9kWMjAQ== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 10/53] media: dvb-core: Use vb2_get_buffer() instead of directly access to buffers array Date: Mon, 2 Oct 2023 14:05:34 +0200 Message-Id: <20231002120617.119602-11-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_buffer() instead of directly access to vb2_buffer buffer array. This could allow to change the type bufs[] field of vb2_buffer structure if needed. After each call to vb2_get_buffer() we need to be sure that we get a valid pointer so check the return value of all of them. Signed-off-by: Benjamin Gaignard --- drivers/media/dvb-core/dvb_vb2.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/media/dvb-core/dvb_vb2.c b/drivers/media/dvb-core/dvb_= vb2.c index b322ef179f05..3a966fdf814c 100644 --- a/drivers/media/dvb-core/dvb_vb2.c +++ b/drivers/media/dvb-core/dvb_vb2.c @@ -355,12 +355,13 @@ int dvb_vb2_reqbufs(struct dvb_vb2_ctx *ctx, struct d= mx_requestbuffers *req) int dvb_vb2_querybuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b) { struct vb2_queue *q =3D &ctx->vb_q; + struct vb2_buffer *vb2 =3D vb2_get_buffer(q, b->index); =20 - if (b->index >=3D q->num_buffers) { - dprintk(1, "[%s] buffer index out of range\n", ctx->name); + if (!vb2) { + dprintk(1, "[%s] invalid buffer index\n", ctx->name); return -EINVAL; } - vb2_core_querybuf(&ctx->vb_q, q->bufs[b->index], b); + vb2_core_querybuf(&ctx->vb_q, vb2, b); dprintk(3, "[%s] index=3D%d\n", ctx->name, b->index); return 0; } @@ -385,13 +386,14 @@ int dvb_vb2_expbuf(struct dvb_vb2_ctx *ctx, struct dm= x_exportbuffer *exp) int dvb_vb2_qbuf(struct dvb_vb2_ctx *ctx, struct dmx_buffer *b) { struct vb2_queue *q =3D &ctx->vb_q; + struct vb2_buffer *vb2 =3D vb2_get_buffer(q, b->index); int ret; =20 - if (b->index >=3D q->num_buffers) { - dprintk(1, "[%s] buffer index out of range\n", ctx->name); + if (!vb2) { + dprintk(1, "[%s] invalid buffer index\n", ctx->name); return -EINVAL; } - ret =3D vb2_core_qbuf(&ctx->vb_q, q->bufs[b->index], b, NULL); + ret =3D vb2_core_qbuf(&ctx->vb_q, vb2, b, NULL); if (ret) { dprintk(1, "[%s] index=3D%d errno=3D%d\n", ctx->name, b->index, ret); --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 26B73E748F0 for ; Mon, 2 Oct 2023 12:07:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237210AbjJBMHS (ORCPT ); Mon, 2 Oct 2023 08:07:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37456 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237024AbjJBMGg (ORCPT ); Mon, 2 Oct 2023 08:06:36 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D309FB0; Mon, 2 Oct 2023 05:06:31 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 58B486607330; Mon, 2 Oct 2023 13:06:30 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248390; bh=eSQfkkD02is7xQMWAeaCL6jGZLl2q+n8aBb/NLfxnI4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VXGIYVxgTozuMZZFpOyy2PjPror/cweluybJobLBdylcIe1cD1gc9odFbxiuLghXV a2Mgc4HZv3xbesaVzzoA2VlMWzrKhh12qvC3E4Cs3D5FTnZ++/FGJORRVl6fDjFkoy 7b4YU1GTxq0rltJYQuJc8kGZZqW06KGqzcdFCG3Drs2Elf8Xa+iVXj7fwTxQljvb6z Hjf5b0m9st57KRLnsEtrQ08Jj3fhg9P64+lc5mmlkhCArQUT3kpBArEN4mQoX9LBwz A8q5tIStgxl1k/eUIPJCvUGvCL90G/klmG5zaDhnKRu0YcG4Htis4u+ya1vLSNfTcN VW4Dl9h8ifHMQ== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 11/53] media: videobuf2: Access vb2_queue bufs array through helper functions Date: Mon, 2 Oct 2023 14:05:35 +0200 Message-Id: <20231002120617.119602-12-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" This patch adds 2 helpers functions to add and remove vb2 buffers from a queue. With these 2 and vb2_get_buffer(), bufs field of struct vb2_queue becomes like a private member of the structure. After each call to vb2_get_buffer() we need to be sure that we get a valid pointer so check the return value of all of them. Signed-off-by: Benjamin Gaignard --- .../media/common/videobuf2/videobuf2-core.c | 151 +++++++++++++----- .../media/common/videobuf2/videobuf2-v4l2.c | 51 ++++-- 2 files changed, 146 insertions(+), 56 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/medi= a/common/videobuf2/videobuf2-core.c index 44ff1c1ef389..9c9eef6ee423 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -404,6 +404,31 @@ static void init_buffer_cache_hints(struct vb2_queue *= q, struct vb2_buffer *vb) vb->skip_cache_sync_on_finish =3D 1; } =20 +/** + * vb2_queue_add_buffer() - add a buffer to a queue + * @q: pointer to &struct vb2_queue with videobuf2 queue. + * @vb: pointer to &struct vb2_buffer to be added to the queue. + * @index: index where add vb2_buffer in the queue + */ +static void vb2_queue_add_buffer(struct vb2_queue *q, struct vb2_buffer *v= b, unsigned int index) +{ + WARN_ON(index >=3D VB2_MAX_FRAME || q->bufs[index]); + + q->bufs[index] =3D vb; + vb->index =3D index; + vb->vb2_queue =3D q; +} + +/** + * vb2_queue_remove_buffer() - remove a buffer from a queue + * @vb: pointer to &struct vb2_buffer to be removed from the queue. + */ +static void vb2_queue_remove_buffer(struct vb2_buffer *vb) +{ + vb->vb2_queue->bufs[vb->index] =3D NULL; + vb->vb2_queue =3D NULL; +} + /* * __vb2_queue_alloc() - allocate vb2 buffer structures and (for MMAP type) * video buffer memory for all buffers/planes on the queue and initializes= the @@ -432,9 +457,7 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum = vb2_memory memory, } =20 vb->state =3D VB2_BUF_STATE_DEQUEUED; - vb->vb2_queue =3D q; vb->num_planes =3D num_planes; - vb->index =3D q->num_buffers + buffer; vb->type =3D q->type; vb->memory =3D memory; init_buffer_cache_hints(q, vb); @@ -442,9 +465,9 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum = vb2_memory memory, vb->planes[plane].length =3D plane_sizes[plane]; vb->planes[plane].min_length =3D plane_sizes[plane]; } - call_void_bufop(q, init_buffer, vb); =20 - q->bufs[vb->index] =3D vb; + vb2_queue_add_buffer(q, vb, q->num_buffers + buffer); + call_void_bufop(q, init_buffer, vb); =20 /* Allocate video buffer memory for the MMAP type */ if (memory =3D=3D VB2_MEMORY_MMAP) { @@ -452,7 +475,7 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum = vb2_memory memory, if (ret) { dprintk(q, 1, "failed allocating memory for buffer %d\n", buffer); - q->bufs[vb->index] =3D NULL; + vb2_queue_remove_buffer(vb); kfree(vb); break; } @@ -467,7 +490,7 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum = vb2_memory memory, dprintk(q, 1, "buffer %d %p initialization failed\n", buffer, vb); __vb2_buf_mem_free(vb); - q->bufs[vb->index] =3D NULL; + vb2_queue_remove_buffer(vb); kfree(vb); break; } @@ -490,7 +513,7 @@ static void __vb2_free_mem(struct vb2_queue *q, unsigne= d int buffers) =20 for (buffer =3D q->num_buffers - buffers; buffer < q->num_buffers; ++buffer) { - vb =3D q->bufs[buffer]; + vb =3D vb2_get_buffer(q, buffer); if (!vb) continue; =20 @@ -518,7 +541,7 @@ static void __vb2_queue_free(struct vb2_queue *q, unsig= ned int buffers) /* Call driver-provided cleanup function for each buffer, if provided */ for (buffer =3D q->num_buffers - buffers; buffer < q->num_buffers; ++buffer) { - struct vb2_buffer *vb =3D q->bufs[buffer]; + struct vb2_buffer *vb =3D vb2_get_buffer(q, buffer); =20 if (vb && vb->planes[0].mem_priv) call_void_vb_qop(vb, buf_cleanup, vb); @@ -559,15 +582,20 @@ static void __vb2_queue_free(struct vb2_queue *q, uns= igned int buffers) q->cnt_unprepare_streaming =3D 0; } for (buffer =3D 0; buffer < q->num_buffers; ++buffer) { - struct vb2_buffer *vb =3D q->bufs[buffer]; - bool unbalanced =3D vb->cnt_mem_alloc !=3D vb->cnt_mem_put || - vb->cnt_mem_prepare !=3D vb->cnt_mem_finish || - vb->cnt_mem_get_userptr !=3D vb->cnt_mem_put_userptr || - vb->cnt_mem_attach_dmabuf !=3D vb->cnt_mem_detach_dmabuf || - vb->cnt_mem_map_dmabuf !=3D vb->cnt_mem_unmap_dmabuf || - vb->cnt_buf_queue !=3D vb->cnt_buf_done || - vb->cnt_buf_prepare !=3D vb->cnt_buf_finish || - vb->cnt_buf_init !=3D vb->cnt_buf_cleanup; + struct vb2_buffer *vb =3D vb2_get_buffer(q, buffer); + bool unbalanced; + + if (!vb) + continue; + + unbalanced =3D vb->cnt_mem_alloc !=3D vb->cnt_mem_put || + vb->cnt_mem_prepare !=3D vb->cnt_mem_finish || + vb->cnt_mem_get_userptr !=3D vb->cnt_mem_put_userptr || + vb->cnt_mem_attach_dmabuf !=3D vb->cnt_mem_detach_dmabuf || + vb->cnt_mem_map_dmabuf !=3D vb->cnt_mem_unmap_dmabuf || + vb->cnt_buf_queue !=3D vb->cnt_buf_done || + vb->cnt_buf_prepare !=3D vb->cnt_buf_finish || + vb->cnt_buf_init !=3D vb->cnt_buf_cleanup; =20 if (unbalanced) { pr_info("unbalanced counters for queue %p, buffer %d:\n", @@ -607,8 +635,13 @@ static void __vb2_queue_free(struct vb2_queue *q, unsi= gned int buffers) /* Free vb2 buffers */ for (buffer =3D q->num_buffers - buffers; buffer < q->num_buffers; ++buffer) { - kfree(q->bufs[buffer]); - q->bufs[buffer] =3D NULL; + struct vb2_buffer *vb =3D vb2_get_buffer(q, buffer); + + if (!vb) + continue; + + vb2_queue_remove_buffer(vb); + kfree(vb); } =20 q->num_buffers -=3D buffers; @@ -644,7 +677,12 @@ static bool __buffers_in_use(struct vb2_queue *q) { unsigned int buffer; for (buffer =3D 0; buffer < q->num_buffers; ++buffer) { - if (vb2_buffer_in_use(q, q->bufs[buffer])) + struct vb2_buffer *vb =3D vb2_get_buffer(q, buffer); + + if (!vb) + continue; + + if (vb2_buffer_in_use(q, vb)) return true; } return false; @@ -1629,7 +1667,11 @@ static int vb2_start_streaming(struct vb2_queue *q) * correctly return them to vb2. */ for (i =3D 0; i < q->num_buffers; ++i) { - vb =3D q->bufs[i]; + vb =3D vb2_get_buffer(q, i); + + if (!vb) + continue; + if (vb->state =3D=3D VB2_BUF_STATE_ACTIVE) vb2_buffer_done(vb, VB2_BUF_STATE_QUEUED); } @@ -2030,12 +2072,18 @@ static void __vb2_queue_cancel(struct vb2_queue *q) * to vb2 in stop_streaming(). */ if (WARN_ON(atomic_read(&q->owned_by_drv_count))) { - for (i =3D 0; i < q->num_buffers; ++i) - if (q->bufs[i]->state =3D=3D VB2_BUF_STATE_ACTIVE) { - pr_warn("driver bug: stop_streaming operation is leaving buf %p in act= ive state\n", - q->bufs[i]); - vb2_buffer_done(q->bufs[i], VB2_BUF_STATE_ERROR); + for (i =3D 0; i < q->num_buffers; ++i) { + struct vb2_buffer *vb =3D vb2_get_buffer(q, i); + + if (!vb) + continue; + + if (vb->state =3D=3D VB2_BUF_STATE_ACTIVE) { + pr_warn("driver bug: stop_streaming operation is leaving buffer %u in = active state\n", + vb->index); + vb2_buffer_done(vb, VB2_BUF_STATE_ERROR); } + } /* Must be zero now */ WARN_ON(atomic_read(&q->owned_by_drv_count)); } @@ -2069,9 +2117,14 @@ static void __vb2_queue_cancel(struct vb2_queue *q) * be changed, so we can't move the buf_finish() to __vb2_dqbuf(). */ for (i =3D 0; i < q->num_buffers; ++i) { - struct vb2_buffer *vb =3D q->bufs[i]; - struct media_request *req =3D vb->req_obj.req; + struct vb2_buffer *vb; + struct media_request *req; =20 + vb =3D vb2_get_buffer(q, i); + if (!vb) + continue; + + req =3D vb->req_obj.req; /* * If a request is associated with this buffer, then * call buf_request_cancel() to give the driver to complete() @@ -2220,10 +2273,12 @@ static int __find_plane_by_offset(struct vb2_queue = *q, unsigned long off, buffer =3D (off >> PLANE_INDEX_SHIFT) & BUFFER_INDEX_MASK; *plane =3D (off >> PAGE_SHIFT) & PLANE_INDEX_MASK; =20 - if (buffer >=3D q->num_buffers || *plane >=3D q->bufs[buffer]->num_planes) + *vb =3D vb2_get_buffer(q, buffer); + if (!*vb) + return -EINVAL; + if (*plane >=3D (*vb)->num_planes) return -EINVAL; =20 - *vb =3D q->bufs[buffer]; return 0; } =20 @@ -2611,6 +2666,7 @@ struct vb2_fileio_data { static int __vb2_init_fileio(struct vb2_queue *q, int read) { struct vb2_fileio_data *fileio; + struct vb2_buffer *vb; int i, ret; unsigned int count =3D 0; =20 @@ -2661,11 +2717,18 @@ static int __vb2_init_fileio(struct vb2_queue *q, i= nt read) if (ret) goto err_kfree; =20 + /* + * Userspace can never add or delete buffers later, so there + * will never be holes. It is safe to assume that vb2_get_buffer(q, 0) + * will always return a valid vb pointer + */ + vb =3D vb2_get_buffer(q, 0); + /* * Check if plane_count is correct * (multiplane buffers are not supported). */ - if (q->bufs[0]->num_planes !=3D 1) { + if (vb->num_planes !=3D 1) { ret =3D -EBUSY; goto err_reqbufs; } @@ -2674,12 +2737,15 @@ static int __vb2_init_fileio(struct vb2_queue *q, i= nt read) * Get kernel address of each buffer. */ for (i =3D 0; i < q->num_buffers; i++) { - fileio->bufs[i].vaddr =3D vb2_plane_vaddr(q->bufs[i], 0); + vb =3D vb2_get_buffer(q, i); + WARN_ON_ONCE(!vb); + + fileio->bufs[i].vaddr =3D vb2_plane_vaddr(vb, 0); if (fileio->bufs[i].vaddr =3D=3D NULL) { ret =3D -EINVAL; goto err_reqbufs; } - fileio->bufs[i].size =3D vb2_plane_size(q->bufs[i], 0); + fileio->bufs[i].size =3D vb2_plane_size(vb, 0); } =20 /* @@ -2807,15 +2873,17 @@ static size_t __vb2_perform_fileio(struct vb2_queue= *q, char __user *data, size_ =20 fileio->cur_index =3D index; buf =3D &fileio->bufs[index]; - b =3D q->bufs[index]; + + /* b can never be NULL when using fileio. */ + b =3D vb2_get_buffer(q, index); =20 /* * Get number of bytes filled by the driver */ buf->pos =3D 0; buf->queued =3D 0; - buf->size =3D read ? vb2_get_plane_payload(q->bufs[index], 0) - : vb2_plane_size(q->bufs[index], 0); + buf->size =3D read ? vb2_get_plane_payload(b, 0) + : vb2_plane_size(b, 0); /* Compensate for data_offset on read in the multiplanar case. */ if (is_multiplanar && read && b->planes[0].data_offset < buf->size) { @@ -2858,7 +2926,8 @@ static size_t __vb2_perform_fileio(struct vb2_queue *= q, char __user *data, size_ * Queue next buffer if required. */ if (buf->pos =3D=3D buf->size || (!read && fileio->write_immediately)) { - struct vb2_buffer *b =3D q->bufs[index]; + /* b can never be NULL when using fileio. */ + struct vb2_buffer *b =3D vb2_get_buffer(q, index); =20 /* * Check if this is the last buffer to read. @@ -2885,7 +2954,7 @@ static size_t __vb2_perform_fileio(struct vb2_queue *= q, char __user *data, size_ */ buf->pos =3D 0; buf->queued =3D 1; - buf->size =3D vb2_plane_size(q->bufs[index], 0); + buf->size =3D vb2_plane_size(b, 0); fileio->q_count +=3D 1; /* * If we are queuing up buffers for the first time, then @@ -2956,7 +3025,9 @@ static int vb2_thread(void *data) * Call vb2_dqbuf to get buffer back. */ if (prequeue) { - vb =3D q->bufs[index++]; + vb =3D vb2_get_buffer(q, index++); + if (!vb) + continue; prequeue--; } else { call_void_qop(q, wait_finish, q); @@ -2965,7 +3036,7 @@ static int vb2_thread(void *data) call_void_qop(q, wait_prepare, q); dprintk(q, 5, "file io: vb2_dqbuf result: %d\n", ret); if (!ret) - vb =3D q->bufs[index]; + vb =3D vb2_get_buffer(q, index); } if (ret || threadio->stop) break; diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/medi= a/common/videobuf2/videobuf2-v4l2.c index 697c8a9f98cd..3395e702ad1f 100644 --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c @@ -383,9 +383,9 @@ static int vb2_queue_or_prepare_buf(struct vb2_queue *q= , struct media_device *md return -EINVAL; } =20 - if (q->bufs[b->index] =3D=3D NULL) { - /* Should never happen */ - dprintk(q, 1, "%s: buffer is NULL\n", opname); + vb =3D vb2_get_buffer(q, b->index); + if (!vb) { + dprintk(q, 1, "%s: buffer %u is NULL\n", opname, b->index); return -EINVAL; } =20 @@ -394,7 +394,6 @@ static int vb2_queue_or_prepare_buf(struct vb2_queue *q= , struct media_device *md return -EINVAL; } =20 - vb =3D q->bufs[b->index]; vbuf =3D to_vb2_v4l2_buffer(vb); ret =3D __verify_planes_array(vb, b); if (ret) @@ -628,11 +627,22 @@ static const struct vb2_buf_ops v4l2_buf_ops =3D { struct vb2_buffer *vb2_find_buffer(struct vb2_queue *q, u64 timestamp) { unsigned int i; + struct vb2_buffer *vb2; =20 - for (i =3D 0; i < q->num_buffers; i++) - if (q->bufs[i]->copied_timestamp && - q->bufs[i]->timestamp =3D=3D timestamp) - return vb2_get_buffer(q, i); + /* + * This loop doesn't scale if there is a really large number of buffers. + * Maybe something more efficient will be needed in this case. + */ + for (i =3D 0; i < q->num_buffers; i++) { + vb2 =3D vb2_get_buffer(q, i); + + if (!vb2) + continue; + + if (vb2->copied_timestamp && + vb2->timestamp =3D=3D timestamp) + return vb2; + } return NULL; } EXPORT_SYMBOL_GPL(vb2_find_buffer); @@ -660,11 +670,12 @@ int vb2_querybuf(struct vb2_queue *q, struct v4l2_buf= fer *b) return -EINVAL; } =20 - if (b->index >=3D q->num_buffers) { - dprintk(q, 1, "buffer index out of range\n"); + vb =3D vb2_get_buffer(q, b->index); + if (!vb) { + dprintk(q, 1, "can't find the requested buffer %u\n", b->index); return -EINVAL; } - vb =3D q->bufs[b->index]; + ret =3D __verify_planes_array(vb, b); if (!ret) vb2_core_querybuf(q, vb, b); @@ -734,11 +745,11 @@ int vb2_prepare_buf(struct vb2_queue *q, struct media= _device *mdev, if (b->flags & V4L2_BUF_FLAG_REQUEST_FD) return -EINVAL; =20 - if (b->index >=3D q->num_buffers) { - dprintk(q, 1, "buffer index out of range\n"); + vb =3D vb2_get_buffer(q, b->index); + if (!vb) { + dprintk(q, 1, "can't find the requested buffer %u\n", b->index); return -EINVAL; } - vb =3D q->bufs[b->index]; =20 ret =3D vb2_queue_or_prepare_buf(q, mdev, b, true, NULL); =20 @@ -822,7 +833,11 @@ int vb2_qbuf(struct vb2_queue *q, struct media_device = *mdev, dprintk(q, 1, "buffer index out of range\n"); return -EINVAL; } - vb =3D q->bufs[b->index]; + vb =3D vb2_get_buffer(q, b->index); + if (!vb) { + dprintk(q, 1, "can't find the requested buffer %u\n", b->index); + return -EINVAL; + } =20 ret =3D vb2_queue_or_prepare_buf(q, mdev, b, false, &req); if (ret) @@ -893,7 +908,11 @@ int vb2_expbuf(struct vb2_queue *q, struct v4l2_export= buffer *eb) dprintk(q, 1, "buffer index out of range\n"); return -EINVAL; } - vb =3D q->bufs[eb->index]; + vb =3D vb2_get_buffer(q, eb->index); + if (!vb) { + dprintk(q, 1, "can't find the requested buffer %u\n", eb->index); + return -EINVAL; + } =20 return vb2_core_expbuf(q, &eb->fd, eb->type, vb, eb->plane, eb->flags); --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7904E7490B for ; Mon, 2 Oct 2023 12:07:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237198AbjJBMHO (ORCPT ); Mon, 2 Oct 2023 08:07:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37446 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237008AbjJBMGf (ORCPT ); Mon, 2 Oct 2023 08:06:35 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5DD32D3; Mon, 2 Oct 2023 05:06:32 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id D97756607313; Mon, 2 Oct 2023 13:06:30 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248391; bh=SAeY42mn7okUVm4y/MjfOqXArg04FnSae3v/ubK/uiU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=X6zsPuoQKjf6cZ/I8dEFANqv5kYJaRUCnnH4RW3j2/Bh5dr5aNE/7xIAPWX1e5rKn ObvovcbuR1nE+oRCDKI79rHKSAF2zsi5/DSDEcFtAfnYkPLdt9WUg3Gcv69LnBgVUQ 7X20b3yHWSzgwmhIloEn6NNSwfJ//GOWSxt677CyZkOvrC+ttpfKhQCt3fadixv7xs 4IC3+aXKW0mI5+zsVKcyYt/r2nWNFS4zuL23h12AWimupBq6txoRTy+NuasqPc0w9m wv/IkFfrBRWlJDNo8fKV8ryY2L+Gpk53rtP14U40t8jwujrT1tdmRbEUA3lybvOCE0 noLwN3fXKcsjA== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 12/53] media: videobuf2: Be more flexible on the number of queue stored buffers Date: Mon, 2 Oct 2023 14:05:36 +0200 Message-Id: <20231002120617.119602-13-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add 'max_num_buffers' field in vb2_queue struct to let drivers decide how many buffers could be stored in a queue. This require 'bufs' array to be allocated at queue init time and freed when releasing the queue. By default VB2_MAX_FRAME remains the limit. Signed-off-by: Benjamin Gaignard Signed-off-by: Hans Verkuil Signed-off-by: Hans V= erkuil --- changes in version 9: - Correctly initialize max_num_buffers in vb2_core_queue_init() .../media/common/videobuf2/videobuf2-core.c | 41 +++++++++++++++---- .../media/common/videobuf2/videobuf2-v4l2.c | 4 +- include/media/videobuf2-core.h | 4 +- 3 files changed, 37 insertions(+), 12 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/medi= a/common/videobuf2/videobuf2-core.c index 9c9eef6ee423..098966846e12 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -412,7 +412,7 @@ static void init_buffer_cache_hints(struct vb2_queue *q= , struct vb2_buffer *vb) */ static void vb2_queue_add_buffer(struct vb2_queue *q, struct vb2_buffer *v= b, unsigned int index) { - WARN_ON(index >=3D VB2_MAX_FRAME || q->bufs[index]); + WARN_ON(index >=3D q->max_num_buffers || q->bufs[index]); =20 q->bufs[index] =3D vb; vb->index =3D index; @@ -444,9 +444,9 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum = vb2_memory memory, struct vb2_buffer *vb; int ret; =20 - /* Ensure that q->num_buffers+num_buffers is below VB2_MAX_FRAME */ + /* Ensure that the number of already queue + num_buffers is below q->max_= num_buffers */ num_buffers =3D min_t(unsigned int, num_buffers, - VB2_MAX_FRAME - q->num_buffers); + q->max_num_buffers - q->num_buffers); =20 for (buffer =3D 0; buffer < num_buffers; ++buffer) { /* Allocate vb2 buffer structures */ @@ -805,7 +805,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memo= ry memory, unsigned plane_sizes[VB2_MAX_PLANES] =3D { }; bool non_coherent_mem =3D flags & V4L2_MEMORY_FLAG_NON_COHERENT; unsigned int i; - int ret; + int ret =3D 0; =20 if (q->streaming) { dprintk(q, 1, "streaming active\n"); @@ -849,17 +849,22 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_me= mory memory, /* * Make sure the requested values and current defaults are sane. */ - WARN_ON(q->min_buffers_needed > VB2_MAX_FRAME); num_buffers =3D max_t(unsigned int, *count, q->min_buffers_needed); - num_buffers =3D min_t(unsigned int, num_buffers, VB2_MAX_FRAME); + num_buffers =3D min_t(unsigned int, num_buffers, q->max_num_buffers); memset(q->alloc_devs, 0, sizeof(q->alloc_devs)); /* * Set this now to ensure that drivers see the correct q->memory value * in the queue_setup op. */ mutex_lock(&q->mmap_lock); + if (!q->bufs) + q->bufs =3D kcalloc(q->max_num_buffers, sizeof(*q->bufs), GFP_KERNEL); + if (!q->bufs) + ret =3D -ENOMEM; q->memory =3D memory; mutex_unlock(&q->mmap_lock); + if (ret) + return ret; set_queue_coherency(q, non_coherent_mem); =20 /* @@ -965,9 +970,9 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_= memory memory, unsigned plane_sizes[VB2_MAX_PLANES] =3D { }; bool non_coherent_mem =3D flags & V4L2_MEMORY_FLAG_NON_COHERENT; bool no_previous_buffers =3D !q->num_buffers; - int ret; + int ret =3D 0; =20 - if (q->num_buffers =3D=3D VB2_MAX_FRAME) { + if (q->num_buffers =3D=3D q->max_num_buffers) { dprintk(q, 1, "maximum number of buffers already allocated\n"); return -ENOBUFS; } @@ -984,7 +989,13 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2= _memory memory, */ mutex_lock(&q->mmap_lock); q->memory =3D memory; + if (!q->bufs) + q->bufs =3D kcalloc(q->max_num_buffers, sizeof(*q->bufs), GFP_KERNEL); + if (!q->bufs) + ret =3D -ENOMEM; mutex_unlock(&q->mmap_lock); + if (ret) + return ret; q->waiting_for_buffers =3D !q->is_output; set_queue_coherency(q, non_coherent_mem); } else { @@ -996,7 +1007,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2= _memory memory, return -EINVAL; } =20 - num_buffers =3D min(*count, VB2_MAX_FRAME - q->num_buffers); + num_buffers =3D min(*count, q->max_num_buffers - q->num_buffers); =20 if (requested_planes && requested_sizes) { num_planes =3D requested_planes; @@ -2455,6 +2466,12 @@ int vb2_core_queue_init(struct vb2_queue *q) /* * Sanity check */ + if (!q->max_num_buffers) + q->max_num_buffers =3D VB2_MAX_FRAME; + + /* The maximum is limited by offset cookie encoding pattern */ + q->max_num_buffers =3D min_t(unsigned int, q->max_num_buffers, BUFFER_IND= EX_MASK + 1); + if (WARN_ON(!q) || WARN_ON(!q->ops) || WARN_ON(!q->mem_ops) || @@ -2464,6 +2481,10 @@ int vb2_core_queue_init(struct vb2_queue *q) WARN_ON(!q->ops->buf_queue)) return -EINVAL; =20 + if (WARN_ON(q->max_num_buffers > BUFFER_INDEX_MASK + 1) || + WARN_ON(q->min_buffers_needed > q->max_num_buffers)) + return -EINVAL; + if (WARN_ON(q->requires_requests && !q->supports_requests)) return -EINVAL; =20 @@ -2510,6 +2531,8 @@ void vb2_core_queue_release(struct vb2_queue *q) __vb2_queue_cancel(q); mutex_lock(&q->mmap_lock); __vb2_queue_free(q, q->num_buffers); + kfree(q->bufs); + q->bufs =3D NULL; mutex_unlock(&q->mmap_lock); } EXPORT_SYMBOL_GPL(vb2_core_queue_release); diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/medi= a/common/videobuf2/videobuf2-v4l2.c index 3395e702ad1f..278ea1107b01 100644 --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c @@ -1156,7 +1156,7 @@ int _vb2_fop_release(struct file *file, struct mutex = *lock) =20 if (lock) mutex_lock(lock); - if (file->private_data =3D=3D vdev->queue->owner) { + if (!vdev->queue->owner || file->private_data =3D=3D vdev->queue->owner) { vb2_queue_release(vdev->queue); vdev->queue->owner =3D NULL; } @@ -1284,7 +1284,7 @@ void vb2_video_unregister_device(struct video_device = *vdev) */ get_device(&vdev->dev); video_unregister_device(vdev); - if (vdev->queue && vdev->queue->owner) { + if (vdev->queue) { struct mutex *lock =3D vdev->queue->lock ? vdev->queue->lock : vdev->lock; =20 diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index cd3ff1cd759d..1d6d68e8a711 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -558,6 +558,7 @@ struct vb2_buf_ops { * @dma_dir: DMA mapping direction. * @bufs: videobuf2 buffer structures * @num_buffers: number of allocated/used buffers + * @max_num_buffers: upper limit of number of allocated/used buffers * @queued_list: list of buffers currently queued from userspace * @queued_count: number of buffers queued and ready for streaming. * @owned_by_drv_count: number of buffers owned by the driver @@ -619,8 +620,9 @@ struct vb2_queue { struct mutex mmap_lock; unsigned int memory; enum dma_data_direction dma_dir; - struct vb2_buffer *bufs[VB2_MAX_FRAME]; + struct vb2_buffer **bufs; unsigned int num_buffers; + unsigned int max_num_buffers; =20 struct list_head queued_list; unsigned int queued_count; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64B93E784BB for ; Mon, 2 Oct 2023 12:07:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237219AbjJBMHU (ORCPT ); Mon, 2 Oct 2023 08:07:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37452 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237018AbjJBMGf (ORCPT ); Mon, 2 Oct 2023 08:06:35 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DA406D7; Mon, 2 Oct 2023 05:06:32 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 5EEB26607334; Mon, 2 Oct 2023 13:06:31 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248391; bh=LamHPpgiOIWh6DTy0PrTueIlE19Fe0d1QhlJSM4GvGk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VlQQAI0Tz0U55KP+2uOlbnYt9eTF4THK2s5T72E2JH3FHmsPchmN0AaBc6WjiOQBD C7ogo0hkajkLaUYjhWbXbngdOHk9RVVroY30sSyiLCGHfD0SY+ujWHLKPAXMs3NSMB uahv1jvFXwWPLoUzGwz8vEXzQlWEQSgugaO5ozwkflLWdXQa/eLkz9+HWV8MgvJvs1 4gXu6bYX6nJ3z+1yH8NzVg/LQWIdSO6U6QTDlBMPpDrwfRvuBpmwaZSNdNcXK+fWzb lOZfAYF3xNB2Svp/J6AmWr2ENefHC+I7OYF2ijyJNMXQ1A/6BJlNPbqvKLZlJmNq9+ bnMsus9yrIRow== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 13/53] media: Report the maximum possible number of buffers for the queue Date: Mon, 2 Oct 2023 14:05:37 +0200 Message-Id: <20231002120617.119602-14-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use one of the struct v4l2_create_buffers reserved bytes to report the maximum possible number of buffers for the queue. V4l2 framework set V4L2_BUF_CAP_SUPPORTS_SET_MAX_BUFS flags in queue capabilities so userland can know when the field is valid. Signed-off-by: Benjamin Gaignard --- .../userspace-api/media/v4l/vidioc-create-bufs.rst | 8 ++++++-- Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst | 1 + drivers/media/common/videobuf2/videobuf2-v4l2.c | 6 +++++- drivers/media/v4l2-core/v4l2-ioctl.c | 4 ++-- include/uapi/linux/videodev2.h | 7 ++++++- 5 files changed, 20 insertions(+), 6 deletions(-) diff --git a/Documentation/userspace-api/media/v4l/vidioc-create-bufs.rst b= /Documentation/userspace-api/media/v4l/vidioc-create-bufs.rst index a048a9f6b7b6..1a46549e7462 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-create-bufs.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-create-bufs.rst @@ -116,9 +116,13 @@ than the number requested. - ``flags`` - Specifies additional buffer management attributes. See :ref:`memory-flags`. - * - __u32 - - ``reserved``\ [6] + - ``max_buffers`` + - If V4L2_BUF_CAP_SUPPORTS_SET_MAX_BUFS capability flag is set + this field indicate the maximum possible number of buffers + for this queue. + * - __u32 + - ``reserved``\ [5] - A place holder for future extensions. Drivers and applications must set the array to zero. =20 diff --git a/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst b/Doc= umentation/userspace-api/media/v4l/vidioc-reqbufs.rst index 099fa6695167..0395187e1a5a 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst @@ -120,6 +120,7 @@ aborting or finishing any DMA in progress, an implicit .. _V4L2-BUF-CAP-SUPPORTS-ORPHANED-BUFS: .. _V4L2-BUF-CAP-SUPPORTS-M2M-HOLD-CAPTURE-BUF: .. _V4L2-BUF-CAP-SUPPORTS-MMAP-CACHE-HINTS: +.. _V4L2-BUF-CAP-SUPPORTS-SET-MAX-BUFS: =20 .. raw:: latex =20 diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/medi= a/common/videobuf2/videobuf2-v4l2.c index 278ea1107b01..51b16cd14582 100644 --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c @@ -686,6 +686,7 @@ EXPORT_SYMBOL(vb2_querybuf); static void fill_buf_caps(struct vb2_queue *q, u32 *caps) { *caps =3D V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS; + *caps |=3D V4L2_BUF_CAP_SUPPORTS_SET_MAX_BUFS; if (q->io_modes & VB2_MMAP) *caps |=3D V4L2_BUF_CAP_SUPPORTS_MMAP; if (q->io_modes & VB2_USERPTR) @@ -767,7 +768,10 @@ int vb2_create_bufs(struct vb2_queue *q, struct v4l2_c= reate_buffers *create) =20 fill_buf_caps(q, &create->capabilities); validate_memory_flags(q, create->memory, &create->flags); - create->index =3D q->num_buffers; + + create->max_buffers =3D q->max_num_buffers; + create->index =3D vb2_get_num_buffers(q); + if (create->count =3D=3D 0) return ret !=3D -EBUSY ? ret : 0; =20 diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core= /v4l2-ioctl.c index f4d9d6279094..700db197e371 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -483,9 +483,9 @@ static void v4l_print_create_buffers(const void *arg, b= ool write_only) { const struct v4l2_create_buffers *p =3D arg; =20 - pr_cont("index=3D%d, count=3D%d, memory=3D%s, capabilities=3D0x%08x, ", + pr_cont("index=3D%d, count=3D%d, memory=3D%s, capabilities=3D0x%08x, max = buffers=3D%u", p->index, p->count, prt_names(p->memory, v4l2_memory_names), - p->capabilities); + p->capabilities, p->max_buffers); v4l_print_format(&p->format, write_only); } =20 diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 78260e5d9985..b0dbb1be728c 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -1034,6 +1034,7 @@ struct v4l2_requestbuffers { #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) +#define V4L2_BUF_CAP_SUPPORTS_SET_MAX_BUFS (1 << 7) =20 /** * struct v4l2_plane - plane info for multi-planar buffers @@ -2604,6 +2605,9 @@ struct v4l2_dbg_chip_info { * @flags: additional buffer management attributes (ignored unless the * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability * and configured for MMAP streaming I/O). + * @max_buffers: if V4L2_BUF_CAP_SUPPORTS_SET_MAX_BUFS capability flag is = set + * this field indicate the maximum possible number of buffers + * for this queue. * @reserved: future extensions */ struct v4l2_create_buffers { @@ -2613,7 +2617,8 @@ struct v4l2_create_buffers { struct v4l2_format format; __u32 capabilities; __u32 flags; - __u32 reserved[6]; + __u32 max_buffers; + __u32 reserved[5]; }; =20 /* --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28433E7849A for ; Mon, 2 Oct 2023 12:28:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237033AbjJBM23 (ORCPT ); Mon, 2 Oct 2023 08:28:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37464 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237034AbjJBMGg (ORCPT ); Mon, 2 Oct 2023 08:06:36 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A0FC9D; Mon, 2 Oct 2023 05:06:33 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id DF2FD6607335; Mon, 2 Oct 2023 13:06:31 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248392; bh=vXuJIhvUaCiRCOnUer8AX7BKf/0It7kvtpm2er6AYGM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LZc66mgHW0FJDalluTOy98rsHeo6kEMqLFH51flQQyPtO1u9642qnkTUBTKIP3383 LYtUnVIWWkpQu434O9934OZ0bxj1DzwhQ1d7JBQwwvO/H1jozKhYWygeFKFF61D/tx CUXAbklUoJlsGzRYUURKP8T+m9diTUpBWcUMBqL3MwehqBUriU7tqOwovAa6lui9eh RCmm9p7lfoVK27GLxcT5WBPLJ9o6mMc1kOWC2CkG93LRiY4vcgiorOa+SNPPvnHyLK ySXrHhK2Bw3jYTnsYKfkbZa4XPor5BQYv3l+wU5998xbs+k49Jy5fBwMtW+KID4j1p mLcSNBhuwfUNQ== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 14/53] media: test-drivers: vivid: Increase max supported buffers for capture queues Date: Mon, 2 Oct 2023 14:05:38 +0200 Message-Id: <20231002120617.119602-15-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Change the maximum number of buffers of some capture queues in order to test max_num_buffers field. Allow to allocate up to: - 64 buffers for video capture queue. - 1024 buffers for sdr capture queue. - 32768 buffers for vbi capture queue. Signed-off-by: Benjamin Gaignard --- drivers/media/test-drivers/vivid/vivid-core.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/media/test-drivers/vivid/vivid-core.c b/drivers/media/= test-drivers/vivid/vivid-core.c index e95bdccfc18e..58a059140365 100644 --- a/drivers/media/test-drivers/vivid/vivid-core.c +++ b/drivers/media/test-drivers/vivid/vivid-core.c @@ -876,6 +876,13 @@ static int vivid_create_queue(struct vivid_dev *dev, q->type =3D buf_type; q->io_modes =3D VB2_MMAP | VB2_DMABUF; q->io_modes |=3D V4L2_TYPE_IS_OUTPUT(buf_type) ? VB2_WRITE : VB2_READ; + if (buf_type =3D=3D V4L2_BUF_TYPE_VIDEO_CAPTURE) + q->max_num_buffers =3D 64; + if (buf_type =3D=3D V4L2_BUF_TYPE_SDR_CAPTURE) + q->max_num_buffers =3D 1024; + if (buf_type =3D=3D V4L2_BUF_TYPE_VBI_CAPTURE) + q->max_num_buffers =3D 32768; + if (allocators[dev->inst] !=3D 1) q->io_modes |=3D VB2_USERPTR; q->drv_priv =3D dev; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11BD3E784B6 for ; Mon, 2 Oct 2023 12:28:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237037AbjJBM21 (ORCPT ); Mon, 2 Oct 2023 08:28:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37468 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237036AbjJBMGg (ORCPT ); Mon, 2 Oct 2023 08:06:36 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0F17FA6; Mon, 2 Oct 2023 05:06:34 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 631306607310; Mon, 2 Oct 2023 13:06:32 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248392; bh=/rw+5kiG9NH9F1WJEwdp/d4z1jjMgH/1J5yw8ccESj4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Te3TlY/tI/yO+/NmjTXoNmmq8+/IsQGyuNljO5gBs2TsE1mcSDmLQ3DO3Wl0ZPxR3 0HMMbAQZr3ysNTYX5hK6tPdsKfp9MQFDJymIKSb/kwu4iJ4s8OHO8apA3r8txGczeS styjUSeuUX9xOZJnu7eWA/sWA5pobfeAnzQhL9IjvV3pLoJpaDxPS3u5h1BgRGiFBL JbFFFhFEjOL6rZfRb1Y25lKE48W7RjujgERvS0A0FdtsZq2J9ekb5OwMUhn/fXIdMQ LfyTfYPcgtc9VGsx48+FgW72w2I12YZhMcPiDSANTqNq88cLp8GC/AgkeByQf5DTqq Pz/vfeQV8yUbw== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 15/53] media: test-drivers: vicodec: Increase max supported capture queue buffers Date: Mon, 2 Oct 2023 14:05:39 +0200 Message-Id: <20231002120617.119602-16-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Allow to allocated up to 64 buffers on capture queue. Signed-off-by: Benjamin Gaignard --- drivers/media/test-drivers/vicodec/vicodec-core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/test-drivers/vicodec/vicodec-core.c b/drivers/me= dia/test-drivers/vicodec/vicodec-core.c index 6f0e20df74e9..69cbe2c094e1 100644 --- a/drivers/media/test-drivers/vicodec/vicodec-core.c +++ b/drivers/media/test-drivers/vicodec/vicodec-core.c @@ -1718,6 +1718,7 @@ static int queue_init(void *priv, struct vb2_queue *s= rc_vq, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE : V4L2_BUF_TYPE_VIDEO_CAPTURE); dst_vq->io_modes =3D VB2_MMAP | VB2_USERPTR | VB2_DMABUF; + dst_vq->max_num_buffers =3D 64; dst_vq->drv_priv =3D ctx; dst_vq->buf_struct_size =3D sizeof(struct v4l2_m2m_buffer); dst_vq->ops =3D &vicodec_qops; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F478E748F4 for ; Mon, 2 Oct 2023 12:07:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237128AbjJBMH1 (ORCPT ); Mon, 2 Oct 2023 08:07:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43034 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237046AbjJBMGi (ORCPT ); Mon, 2 Oct 2023 08:06:38 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8B736D3; Mon, 2 Oct 2023 05:06:34 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id EED53660733F; Mon, 2 Oct 2023 13:06:32 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248393; bh=lSbtU3AkJxDUbM/ZxQA8YNS5VCUZ0rJf3jo6GcX8A74=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LG547SiCK7Dm63ylNQ7q1n8rNfTNzRyRzeWmmdywutXRtWVbIP9xuAK0/xTkYVryd h0h2HS6pqlixHNfsxve69EcR58Ds/88EMHudugezBEZEX1tUpN3uQfDLzaV9T0SySb nASiVRuWOWiPd4/hWPoZj6QqPMhs2NOJ3uwtau+5ng7vUxMrndQAR3uTC0OEhZxt9+ evYXAWZ07KlWzFD0/iUUFWNtmoctHXM6CudCL4vuPTs4EhfNzg+0pCQPWJrt47umpV GwQMX2XtjWSsojMeL4hFKwF/rw3GxerVYKqZ6hjTx6IKoqTQMuGtyqGxzwjajuXq+d jYO/+ka4UjdpQ== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 16/53] media: verisilicon: Refactor postprocessor to store more buffers Date: Mon, 2 Oct 2023 14:05:40 +0200 Message-Id: <20231002120617.119602-17-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Since vb2 queue can store more than VB2_MAX_FRAME buffers, the postprocessor buffer storage must be capable to store more buffers too. Change static dec_q array to allocated array to be capable to store up to queue 'max_num_buffers'. Keep allocating queue 'num_buffers' at queue setup time but also allows to allocate postprocessors buffers on the fly. Signed-off-by: Benjamin Gaignard --- drivers/media/platform/verisilicon/hantro.h | 7 +- .../media/platform/verisilicon/hantro_drv.c | 4 +- .../media/platform/verisilicon/hantro_hw.h | 4 +- .../platform/verisilicon/hantro_postproc.c | 93 +++++++++++++++---- .../media/platform/verisilicon/hantro_v4l2.c | 2 +- 5 files changed, 85 insertions(+), 25 deletions(-) diff --git a/drivers/media/platform/verisilicon/hantro.h b/drivers/media/pl= atform/verisilicon/hantro.h index 77aee9489516..0948b04a9f8d 100644 --- a/drivers/media/platform/verisilicon/hantro.h +++ b/drivers/media/platform/verisilicon/hantro.h @@ -469,11 +469,14 @@ hantro_get_dst_buf(struct hantro_ctx *ctx) bool hantro_needs_postproc(const struct hantro_ctx *ctx, const struct hantro_fmt *fmt); =20 +dma_addr_t +hantro_postproc_get_dec_buf_addr(struct hantro_ctx *ctx, int index); + static inline dma_addr_t hantro_get_dec_buf_addr(struct hantro_ctx *ctx, struct vb2_buffer *vb) { if (hantro_needs_postproc(ctx, ctx->vpu_dst_fmt)) - return ctx->postproc.dec_q[vb->index].dma; + return hantro_postproc_get_dec_buf_addr(ctx, vb->index); return vb2_dma_contig_plane_dma_addr(vb, 0); } =20 @@ -485,8 +488,8 @@ vb2_to_hantro_decoded_buf(struct vb2_buffer *buf) =20 void hantro_postproc_disable(struct hantro_ctx *ctx); void hantro_postproc_enable(struct hantro_ctx *ctx); +int hantro_postproc_init(struct hantro_ctx *ctx); void hantro_postproc_free(struct hantro_ctx *ctx); -int hantro_postproc_alloc(struct hantro_ctx *ctx); int hanto_postproc_enum_framesizes(struct hantro_ctx *ctx, struct v4l2_frmsizeenum *fsize); =20 diff --git a/drivers/media/platform/verisilicon/hantro_drv.c b/drivers/medi= a/platform/verisilicon/hantro_drv.c index 423fc85d79ee..ad6b086f0526 100644 --- a/drivers/media/platform/verisilicon/hantro_drv.c +++ b/drivers/media/platform/verisilicon/hantro_drv.c @@ -234,8 +234,10 @@ queue_init(void *priv, struct vb2_queue *src_vq, struc= t vb2_queue *dst_vq) * The Kernel needs access to the JPEG destination buffer for the * JPEG encoder to fill in the JPEG headers. */ - if (!ctx->is_encoder) + if (!ctx->is_encoder) { dst_vq->dma_attrs |=3D DMA_ATTR_NO_KERNEL_MAPPING; + dst_vq->max_num_buffers =3D MAX_POSTPROC_BUFFERS; + } =20 dst_vq->type =3D V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; dst_vq->io_modes =3D VB2_MMAP | VB2_DMABUF; diff --git a/drivers/media/platform/verisilicon/hantro_hw.h b/drivers/media= /platform/verisilicon/hantro_hw.h index 7f33f7b07ce4..292a76ef643e 100644 --- a/drivers/media/platform/verisilicon/hantro_hw.h +++ b/drivers/media/platform/verisilicon/hantro_hw.h @@ -40,6 +40,8 @@ =20 #define AV1_MAX_FRAME_BUF_COUNT (V4L2_AV1_TOTAL_REFS_PER_FRAME + 1) =20 +#define MAX_POSTPROC_BUFFERS 64 + struct hantro_dev; struct hantro_ctx; struct hantro_buf; @@ -336,7 +338,7 @@ struct hantro_av1_dec_hw_ctx { * @dec_q: References buffers, in decoder format. */ struct hantro_postproc_ctx { - struct hantro_aux_buf dec_q[VB2_MAX_FRAME]; + struct hantro_aux_buf dec_q[MAX_POSTPROC_BUFFERS]; }; =20 /** diff --git a/drivers/media/platform/verisilicon/hantro_postproc.c b/drivers= /media/platform/verisilicon/hantro_postproc.c index 0224ff68ab3f..20e8f04a3bef 100644 --- a/drivers/media/platform/verisilicon/hantro_postproc.c +++ b/drivers/media/platform/verisilicon/hantro_postproc.c @@ -177,9 +177,11 @@ static int hantro_postproc_g2_enum_framesizes(struct h= antro_ctx *ctx, void hantro_postproc_free(struct hantro_ctx *ctx) { struct hantro_dev *vpu =3D ctx->dev; + struct v4l2_m2m_ctx *m2m_ctx =3D ctx->fh.m2m_ctx; + struct vb2_queue *queue =3D &m2m_ctx->cap_q_ctx.q; unsigned int i; =20 - for (i =3D 0; i < VB2_MAX_FRAME; ++i) { + for (i =3D 0; i < queue->max_num_buffers; ++i) { struct hantro_aux_buf *priv =3D &ctx->postproc.dec_q[i]; =20 if (priv->cpu) { @@ -190,20 +192,17 @@ void hantro_postproc_free(struct hantro_ctx *ctx) } } =20 -int hantro_postproc_alloc(struct hantro_ctx *ctx) +static unsigned int hantro_postproc_buffer_size(struct hantro_ctx *ctx) { - struct hantro_dev *vpu =3D ctx->dev; - struct v4l2_m2m_ctx *m2m_ctx =3D ctx->fh.m2m_ctx; - struct vb2_queue *cap_queue =3D &m2m_ctx->cap_q_ctx.q; - unsigned int num_buffers =3D cap_queue->num_buffers; struct v4l2_pix_format_mplane pix_mp; const struct hantro_fmt *fmt; - unsigned int i, buf_size; + unsigned int buf_size; =20 /* this should always pick native format */ fmt =3D hantro_get_default_fmt(ctx, false, ctx->bit_depth, HANTRO_AUTO_PO= STPROC); if (!fmt) - return -EINVAL; + return 0; + v4l2_fill_pixfmt_mp(&pix_mp, fmt->fourcc, ctx->src_fmt.width, ctx->src_fmt.height); =20 @@ -221,23 +220,77 @@ int hantro_postproc_alloc(struct hantro_ctx *ctx) buf_size +=3D hantro_av1_mv_size(pix_mp.width, pix_mp.height); =20 - for (i =3D 0; i < num_buffers; ++i) { - struct hantro_aux_buf *priv =3D &ctx->postproc.dec_q[i]; + return buf_size; +} + +static int hantro_postproc_alloc(struct hantro_ctx *ctx, int index) +{ + struct hantro_dev *vpu =3D ctx->dev; + struct hantro_aux_buf *priv =3D &ctx->postproc.dec_q[index]; + unsigned int buf_size =3D hantro_postproc_buffer_size(ctx); + + if (!buf_size) + return -EINVAL; + + /* + * The buffers on this queue are meant as intermediate + * buffers for the decoder, so no mapping is needed. + */ + priv->attrs =3D DMA_ATTR_NO_KERNEL_MAPPING; + priv->cpu =3D dma_alloc_attrs(vpu->dev, buf_size, &priv->dma, + GFP_KERNEL, priv->attrs); + if (!priv->cpu) + return -ENOMEM; + priv->size =3D buf_size; + + return 0; +} =20 - /* - * The buffers on this queue are meant as intermediate - * buffers for the decoder, so no mapping is needed. - */ - priv->attrs =3D DMA_ATTR_NO_KERNEL_MAPPING; - priv->cpu =3D dma_alloc_attrs(vpu->dev, buf_size, &priv->dma, - GFP_KERNEL, priv->attrs); - if (!priv->cpu) - return -ENOMEM; - priv->size =3D buf_size; +int hantro_postproc_init(struct hantro_ctx *ctx) +{ + struct v4l2_m2m_ctx *m2m_ctx =3D ctx->fh.m2m_ctx; + struct vb2_queue *cap_queue =3D &m2m_ctx->cap_q_ctx.q; + unsigned int num_buffers =3D cap_queue->num_buffers; + unsigned int i; + int ret; + + for (i =3D 0; i < num_buffers; i++) { + ret =3D hantro_postproc_alloc(ctx, i); + if (ret) + return ret; } + return 0; } =20 +dma_addr_t +hantro_postproc_get_dec_buf_addr(struct hantro_ctx *ctx, int index) +{ + struct hantro_aux_buf *priv =3D &ctx->postproc.dec_q[index]; + unsigned int buf_size =3D hantro_postproc_buffer_size(ctx); + struct hantro_dev *vpu =3D ctx->dev; + int ret; + + if (priv->size < buf_size && priv->cpu) { + /* buffer is too small, release it */ + dma_free_attrs(vpu->dev, priv->size, priv->cpu, + priv->dma, priv->attrs); + priv->cpu =3D NULL; + } + + if (!priv->cpu) { + /* buffer not already allocated, try getting a new one */ + ret =3D hantro_postproc_alloc(ctx, index); + if (ret) + return 0; + } + + if (!priv->cpu) + return 0; + + return priv->dma; +} + static void hantro_postproc_g1_disable(struct hantro_ctx *ctx) { struct hantro_dev *vpu =3D ctx->dev; diff --git a/drivers/media/platform/verisilicon/hantro_v4l2.c b/drivers/med= ia/platform/verisilicon/hantro_v4l2.c index b3ae037a50f6..f0d8b165abcd 100644 --- a/drivers/media/platform/verisilicon/hantro_v4l2.c +++ b/drivers/media/platform/verisilicon/hantro_v4l2.c @@ -933,7 +933,7 @@ static int hantro_start_streaming(struct vb2_queue *q, = unsigned int count) } =20 if (hantro_needs_postproc(ctx, ctx->vpu_dst_fmt)) { - ret =3D hantro_postproc_alloc(ctx); + ret =3D hantro_postproc_init(ctx); if (ret) goto err_codec_exit; } --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 93166E784BF for ; Mon, 2 Oct 2023 12:07:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237231AbjJBMHZ (ORCPT ); Mon, 2 Oct 2023 08:07:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43040 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237047AbjJBMGi (ORCPT ); Mon, 2 Oct 2023 08:06:38 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10EAEB0; Mon, 2 Oct 2023 05:06:35 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 80A286607348; Mon, 2 Oct 2023 13:06:33 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248393; bh=gAzQ/SGzIm4inZNC+PXcs+p3IPzDsrNiBUGyKW1mkfg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ig+se78dEU6GozuCR3uCbrz4oe+nCxqgXF9Xh3EvjQuXCamgAdSEO2rlc9eP5GCnf BP9Z7kMcXj8VUwptWjKAZhDVvfk3MUhjmLXgbMfsfF5vDG+gZK7MaN1tP1/L8GTCJf fQ00wpKM0i/vWi4xie4YWHuGKyWBxs46rhmMJqRxtzFB0aK9tZDzaa+tM5+YCMPt3n 3rAx1MSTCsINMSlleS2thYrJdh3Gxt8JtR8VYMOmpKgCTSxZnpVkpM2udO29cqlcTQ W2iRVfezObZod2gSaNtF0WzsHKHC8txNIEWrCdfAYksVAry0UeFvOyDXdTAa2eW6y0 JSNqjn99YYTfA== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 17/53] media: verisilicon: Store chroma and motion vectors offset Date: Mon, 2 Oct 2023 14:05:41 +0200 Message-Id: <20231002120617.119602-18-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Store computed values of chroma and motion vectors offset because they depends on width and height values which change if the resolution change. Signed-off-by: Benjamin Gaignard --- drivers/media/platform/verisilicon/hantro.h | 2 ++ drivers/media/platform/verisilicon/hantro_g2_vp9_dec.c | 6 ++++-- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/verisilicon/hantro.h b/drivers/media/pl= atform/verisilicon/hantro.h index 0948b04a9f8d..6f5eb975d0e3 100644 --- a/drivers/media/platform/verisilicon/hantro.h +++ b/drivers/media/platform/verisilicon/hantro.h @@ -328,6 +328,8 @@ struct hantro_vp9_decoded_buffer_info { /* Info needed when the decoded frame serves as a reference frame. */ unsigned short width; unsigned short height; + size_t chroma_offset; + size_t mv_offset; u32 bit_depth : 4; }; =20 diff --git a/drivers/media/platform/verisilicon/hantro_g2_vp9_dec.c b/drive= rs/media/platform/verisilicon/hantro_g2_vp9_dec.c index 6fc4b555517f..6db1c32fce4d 100644 --- a/drivers/media/platform/verisilicon/hantro_g2_vp9_dec.c +++ b/drivers/media/platform/verisilicon/hantro_g2_vp9_dec.c @@ -158,9 +158,11 @@ static void config_output(struct hantro_ctx *ctx, =20 chroma_addr =3D luma_addr + chroma_offset(ctx, dec_params); hantro_write_addr(ctx->dev, G2_OUT_CHROMA_ADDR, chroma_addr); + dst->vp9.chroma_offset =3D chroma_offset(ctx, dec_params); =20 mv_addr =3D luma_addr + mv_offset(ctx, dec_params); hantro_write_addr(ctx->dev, G2_OUT_MV_ADDR, mv_addr); + dst->vp9.mv_offset =3D mv_offset(ctx, dec_params); } =20 struct hantro_vp9_ref_reg { @@ -195,7 +197,7 @@ static void config_ref(struct hantro_ctx *ctx, luma_addr =3D hantro_get_dec_buf_addr(ctx, &buf->base.vb.vb2_buf); hantro_write_addr(ctx->dev, ref_reg->y_base, luma_addr); =20 - chroma_addr =3D luma_addr + chroma_offset(ctx, dec_params); + chroma_addr =3D luma_addr + buf->vp9.chroma_offset; hantro_write_addr(ctx->dev, ref_reg->c_base, chroma_addr); } =20 @@ -238,7 +240,7 @@ static void config_ref_registers(struct hantro_ctx *ctx, config_ref(ctx, dst, &ref_regs[2], dec_params, dec_params->alt_frame_ts); =20 mv_addr =3D hantro_get_dec_buf_addr(ctx, &mv_ref->base.vb.vb2_buf) + - mv_offset(ctx, dec_params); + mv_ref->vp9.mv_offset; hantro_write_addr(ctx->dev, G2_REF_MV_ADDR(0), mv_addr); =20 hantro_reg_write(ctx->dev, &vp9_last_sign_bias, --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A88ADE784B5 for ; Mon, 2 Oct 2023 12:07:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237177AbjJBMHv (ORCPT ); Mon, 2 Oct 2023 08:07:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236905AbjJBMGl (ORCPT ); Mon, 2 Oct 2023 08:06:41 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 92B179D; Mon, 2 Oct 2023 05:06:35 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 0DDE16607349; Mon, 2 Oct 2023 13:06:34 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248394; bh=G1d7K+QU+qOmdvGntI5BZm0vkE40HwEf9qtRlxyqy2Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L6gP1ZzkXe0MUwyjSGrW7jSLX5SkYz/LBKomZYRs/3L9wV24UEStkjGcUf6qMdZHC Cb59/VNdwWBxKqNhsOzH8qK7A9Q3NjpgEAZnhvWnbpEIxxRw1xMM9GJSR5vTISHriK eaAi2LzhRZBuA+rONa67OhKfJX05Wzdf7iunIkVAo7g2KgY2bqki/LyDVzlClm0pZg YRvw4TtIy4m8Gk3oL5vpfe06TVUYdzw1jtcUaisb7i54M1d737Tx6GOomQJ1chrH+I f1jRtolQX8GNQUajN8pIs/NXLa6egVuvw9+xWuDr+2+jwpptWO0F1SyX9xPcevhf82 Dw5LmT1uMWahw== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 18/53] media: verisilicon: g2: Use common helpers to compute chroma and mv offsets Date: Mon, 2 Oct 2023 14:05:42 +0200 Message-Id: <20231002120617.119602-19-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" HEVC and VP9 are running on the same hardware and share the same chroma and motion vectors offset constraint. Create common helpers functions for these computation. Source and destination buffer height may not be the same because alignment constraint are different so use destination height to compute chroma offset because we target this buffer as hardware output. To be able to use the helpers in both VP9 HEVC code remove dec_params and use context->bit_depth instead. Signed-off-by: Benjamin Gaignard --- .../media/platform/verisilicon/hantro_g2.c | 14 ++++++++++ .../platform/verisilicon/hantro_g2_hevc_dec.c | 18 ++----------- .../platform/verisilicon/hantro_g2_vp9_dec.c | 26 +++---------------- .../media/platform/verisilicon/hantro_hw.h | 3 +++ 4 files changed, 23 insertions(+), 38 deletions(-) diff --git a/drivers/media/platform/verisilicon/hantro_g2.c b/drivers/media= /platform/verisilicon/hantro_g2.c index ee5f14c5f8f2..b880a6849d58 100644 --- a/drivers/media/platform/verisilicon/hantro_g2.c +++ b/drivers/media/platform/verisilicon/hantro_g2.c @@ -8,6 +8,8 @@ #include "hantro_hw.h" #include "hantro_g2_regs.h" =20 +#define G2_ALIGN 16 + void hantro_g2_check_idle(struct hantro_dev *vpu) { int i; @@ -42,3 +44,15 @@ irqreturn_t hantro_g2_irq(int irq, void *dev_id) =20 return IRQ_HANDLED; } + +size_t hantro_g2_chroma_offset(struct hantro_ctx *ctx) +{ + return ctx->dst_fmt.width * ctx->dst_fmt.height * ctx->bit_depth / 8; +} + +size_t hantro_g2_motion_vectors_offset(struct hantro_ctx *ctx) +{ + size_t cr_offset =3D hantro_g2_chroma_offset(ctx); + + return ALIGN((cr_offset * 3) / 2, G2_ALIGN); +} diff --git a/drivers/media/platform/verisilicon/hantro_g2_hevc_dec.c b/driv= ers/media/platform/verisilicon/hantro_g2_hevc_dec.c index a9d4ac84a8d8..d3f8c33eb16c 100644 --- a/drivers/media/platform/verisilicon/hantro_g2_hevc_dec.c +++ b/drivers/media/platform/verisilicon/hantro_g2_hevc_dec.c @@ -8,20 +8,6 @@ #include "hantro_hw.h" #include "hantro_g2_regs.h" =20 -#define G2_ALIGN 16 - -static size_t hantro_hevc_chroma_offset(struct hantro_ctx *ctx) -{ - return ctx->dst_fmt.width * ctx->dst_fmt.height * ctx->bit_depth / 8; -} - -static size_t hantro_hevc_motion_vectors_offset(struct hantro_ctx *ctx) -{ - size_t cr_offset =3D hantro_hevc_chroma_offset(ctx); - - return ALIGN((cr_offset * 3) / 2, G2_ALIGN); -} - static void prepare_tile_info_buffer(struct hantro_ctx *ctx) { struct hantro_dev *vpu =3D ctx->dev; @@ -384,8 +370,8 @@ static int set_ref(struct hantro_ctx *ctx) struct hantro_dev *vpu =3D ctx->dev; struct vb2_v4l2_buffer *vb2_dst; struct hantro_decoded_buffer *dst; - size_t cr_offset =3D hantro_hevc_chroma_offset(ctx); - size_t mv_offset =3D hantro_hevc_motion_vectors_offset(ctx); + size_t cr_offset =3D hantro_g2_chroma_offset(ctx); + size_t mv_offset =3D hantro_g2_motion_vectors_offset(ctx); u32 max_ref_frames; u16 dpb_longterm_e; static const struct hantro_reg cur_poc[] =3D { diff --git a/drivers/media/platform/verisilicon/hantro_g2_vp9_dec.c b/drive= rs/media/platform/verisilicon/hantro_g2_vp9_dec.c index 6db1c32fce4d..342e543dee4c 100644 --- a/drivers/media/platform/verisilicon/hantro_g2_vp9_dec.c +++ b/drivers/media/platform/verisilicon/hantro_g2_vp9_dec.c @@ -16,8 +16,6 @@ #include "hantro_vp9.h" #include "hantro_g2_regs.h" =20 -#define G2_ALIGN 16 - enum hantro_ref_frames { INTRA_FRAME =3D 0, LAST_FRAME =3D 1, @@ -90,22 +88,6 @@ static int start_prepare_run(struct hantro_ctx *ctx, con= st struct v4l2_ctrl_vp9_ return 0; } =20 -static size_t chroma_offset(const struct hantro_ctx *ctx, - const struct v4l2_ctrl_vp9_frame *dec_params) -{ - int bytes_per_pixel =3D dec_params->bit_depth =3D=3D 8 ? 1 : 2; - - return ctx->src_fmt.width * ctx->src_fmt.height * bytes_per_pixel; -} - -static size_t mv_offset(const struct hantro_ctx *ctx, - const struct v4l2_ctrl_vp9_frame *dec_params) -{ - size_t cr_offset =3D chroma_offset(ctx, dec_params); - - return ALIGN((cr_offset * 3) / 2, G2_ALIGN); -} - static struct hantro_decoded_buffer * get_ref_buf(struct hantro_ctx *ctx, struct vb2_v4l2_buffer *dst, u64 times= tamp) { @@ -156,13 +138,13 @@ static void config_output(struct hantro_ctx *ctx, luma_addr =3D hantro_get_dec_buf_addr(ctx, &dst->base.vb.vb2_buf); hantro_write_addr(ctx->dev, G2_OUT_LUMA_ADDR, luma_addr); =20 - chroma_addr =3D luma_addr + chroma_offset(ctx, dec_params); + chroma_addr =3D luma_addr + hantro_g2_chroma_offset(ctx); hantro_write_addr(ctx->dev, G2_OUT_CHROMA_ADDR, chroma_addr); - dst->vp9.chroma_offset =3D chroma_offset(ctx, dec_params); + dst->vp9.chroma_offset =3D hantro_g2_chroma_offset(ctx); =20 - mv_addr =3D luma_addr + mv_offset(ctx, dec_params); + mv_addr =3D luma_addr + hantro_g2_motion_vectors_offset(ctx); hantro_write_addr(ctx->dev, G2_OUT_MV_ADDR, mv_addr); - dst->vp9.mv_offset =3D mv_offset(ctx, dec_params); + dst->vp9.mv_offset =3D hantro_g2_motion_vectors_offset(ctx); } =20 struct hantro_vp9_ref_reg { diff --git a/drivers/media/platform/verisilicon/hantro_hw.h b/drivers/media= /platform/verisilicon/hantro_hw.h index 292a76ef643e..9aec8a79acdc 100644 --- a/drivers/media/platform/verisilicon/hantro_hw.h +++ b/drivers/media/platform/verisilicon/hantro_hw.h @@ -521,6 +521,9 @@ hantro_av1_mv_size(unsigned int width, unsigned int hei= ght) return ALIGN(num_sbs * 384, 16) * 2 + 512; } =20 +size_t hantro_g2_chroma_offset(struct hantro_ctx *ctx); +size_t hantro_g2_motion_vectors_offset(struct hantro_ctx *ctx); + int hantro_g1_mpeg2_dec_run(struct hantro_ctx *ctx); int rockchip_vpu2_mpeg2_dec_run(struct hantro_ctx *ctx); void hantro_mpeg2_dec_copy_qtable(u8 *qtable, --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C6E2CE784B8 for ; Mon, 2 Oct 2023 12:07:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237317AbjJBMHr (ORCPT ); Mon, 2 Oct 2023 08:07:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236908AbjJBMGl (ORCPT ); Mon, 2 Oct 2023 08:06:41 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F54EA6; Mon, 2 Oct 2023 05:06:36 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 8FA80660734B; Mon, 2 Oct 2023 13:06:34 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248395; bh=WDraZOgWi0izES0K9FdWnGrtWWF6tf7zOBBP/EoWBNg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LQEteHMIkZCtjWFTNIQ0k4H/AachktNnK0S+WLsSD9+PjIZrM/RgvBpZ6pW7D4tKc ZTZamUAjJtskatClyAhVOJMoQNQnXQE99AheAtzko/rtBf2+66M8/0QYir18Coqgic KCGGyfjNlujWXsGXIGjIMtLUFg7IbWzfY/B4F7R7tvRrqGVFsNDfUx4w+bZJ3uhK4P 6hnBDIExscVxErpgbDt9xSmdPTiArA/AGe08s6ixS0WFyg36GEQqHW6y3YxlJ8CV6V Ygj/3c3jQVzwPDYYpmTVUyZf9jYEgVZSBta4t6xmmaHRUVhcH4NijBrnFKIe0pv5i9 vTG4ycsSHBdkg== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 19/53] media: verisilicon: vp9: Allow to change resolution while streaming Date: Mon, 2 Oct 2023 14:05:43 +0200 Message-Id: <20231002120617.119602-20-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Remove all checks that prohibit to set a new format while streaming. This allow to change dynamically the resolution if the pixel format remains the same. Signed-off-by: Benjamin Gaignard --- .../media/platform/verisilicon/hantro_v4l2.c | 24 +++---------------- 1 file changed, 3 insertions(+), 21 deletions(-) diff --git a/drivers/media/platform/verisilicon/hantro_v4l2.c b/drivers/med= ia/platform/verisilicon/hantro_v4l2.c index f0d8b165abcd..27a1e77cca38 100644 --- a/drivers/media/platform/verisilicon/hantro_v4l2.c +++ b/drivers/media/platform/verisilicon/hantro_v4l2.c @@ -514,25 +514,14 @@ static int hantro_set_fmt_out(struct hantro_ctx *ctx, return ret; =20 if (!ctx->is_encoder) { - struct vb2_queue *peer_vq; - /* * In order to support dynamic resolution change, * the decoder admits a resolution change, as long - * as the pixelformat remains. Can't be done if streaming. - */ - if (vb2_is_streaming(vq) || (vb2_is_busy(vq) && - pix_mp->pixelformat !=3D ctx->src_fmt.pixelformat)) - return -EBUSY; - /* - * Since format change on the OUTPUT queue will reset - * the CAPTURE queue, we can't allow doing so - * when the CAPTURE queue has buffers allocated. + * as the pixelformat remains. */ - peer_vq =3D v4l2_m2m_get_vq(ctx->fh.m2m_ctx, - V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); - if (vb2_is_busy(peer_vq)) + if (vb2_is_streaming(vq) && pix_mp->pixelformat !=3D ctx->src_fmt.pixelf= ormat) { return -EBUSY; + } } else { /* * The encoder doesn't admit a format change if @@ -577,15 +566,8 @@ static int hantro_set_fmt_out(struct hantro_ctx *ctx, static int hantro_set_fmt_cap(struct hantro_ctx *ctx, struct v4l2_pix_format_mplane *pix_mp) { - struct vb2_queue *vq; int ret; =20 - /* Change not allowed if queue is busy. */ - vq =3D v4l2_m2m_get_vq(ctx->fh.m2m_ctx, - V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); - if (vb2_is_busy(vq)) - return -EBUSY; - if (ctx->is_encoder) { struct vb2_queue *peer_vq; =20 --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 703B3E784BA for ; Mon, 2 Oct 2023 12:07:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237150AbjJBMHc (ORCPT ); Mon, 2 Oct 2023 08:07:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43054 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237057AbjJBMGj (ORCPT ); Mon, 2 Oct 2023 08:06:39 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9CA45D7; Mon, 2 Oct 2023 05:06:36 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 2176C66071CC; Mon, 2 Oct 2023 13:06:35 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248395; bh=1dskbbkJ3zkcIpXG7ctqvahZ8PrAeLCG0dqn3ErBFLM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GArcyLDYSkfOg/bRKLRtfDV9Evg/+21CqpgAh6HhTBGfXQIGHHUuS/XCWsQnf/7i9 CSaGi7Jt1IK1NGij2mJXYpy281QKk8QUVguf0acAhCQQdzvUpAFbFEpk2qd68oMbI2 BKg3BmMVWXHJXJKRGE6jViuJ1u2Brp+QeeLc4TE5RksfLxqV8c7XBHa4gs/PBsZ2nM tiE8AbIfCXlnFgAlotVblXispb6RehFvXjviSmLA3Jvfwnu23j74teo2SQPFWqHRg2 rwcQTJJ+et+PYC2ylLZF4sBFrpD0cfGk3RIDo57rRlzVCDm6MM7NmYTzSjufTd2yME Q8KRX6Sh721yA== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 20/53] media: Remove duplicated index vs q->num_buffers check Date: Mon, 2 Oct 2023 14:05:44 +0200 Message-Id: <20231002120617.119602-21-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" vb2_get_buffer() already checks if the requested index is valid. Stop duplicating this kind of check everywhere. Signed-off-by: Benjamin Gaignard --- drivers/media/common/videobuf2/videobuf2-v4l2.c | 13 ------------- 1 file changed, 13 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/medi= a/common/videobuf2/videobuf2-v4l2.c index 51b16cd14582..38eef0c5d18c 100644 --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c @@ -378,11 +378,6 @@ static int vb2_queue_or_prepare_buf(struct vb2_queue *= q, struct media_device *md return -EINVAL; } =20 - if (b->index >=3D q->num_buffers) { - dprintk(q, 1, "%s: buffer index out of range\n", opname); - return -EINVAL; - } - vb =3D vb2_get_buffer(q, b->index); if (!vb) { dprintk(q, 1, "%s: buffer %u is NULL\n", opname, b->index); @@ -833,10 +828,6 @@ int vb2_qbuf(struct vb2_queue *q, struct media_device = *mdev, return -EBUSY; } =20 - if (b->index >=3D q->num_buffers) { - dprintk(q, 1, "buffer index out of range\n"); - return -EINVAL; - } vb =3D vb2_get_buffer(q, b->index); if (!vb) { dprintk(q, 1, "can't find the requested buffer %u\n", b->index); @@ -908,10 +899,6 @@ int vb2_expbuf(struct vb2_queue *q, struct v4l2_export= buffer *eb) { struct vb2_buffer *vb; =20 - if (eb->index >=3D q->num_buffers) { - dprintk(q, 1, "buffer index out of range\n"); - return -EINVAL; - } vb =3D vb2_get_buffer(q, eb->index); if (!vb) { dprintk(q, 1, "can't find the requested buffer %u\n", eb->index); --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0F151E784BF for ; Mon, 2 Oct 2023 12:07:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237290AbjJBMHh (ORCPT ); Mon, 2 Oct 2023 08:07:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43094 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236909AbjJBMGl (ORCPT ); Mon, 2 Oct 2023 08:06:41 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DAD3B0; Mon, 2 Oct 2023 05:06:37 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id A12D9660734F; Mon, 2 Oct 2023 13:06:35 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248396; bh=g6Z7Fic01G95EWA0OzCJVVNs8V/gKuxEppeCYggyWJw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EUYk502tAU6dnz9SLeVcJ3GQ9qncxIGwlQ5OQN1d59ja/480fsYRclwlvZoOF/x2V XM1ZuAYS47aDbJ8BbuEgQs51VRPptBgr1Tw7JShf6Ia2hRBUC49/OvMMkXdPtGRwGa FAKtbrjYyR2zMtUwEpWHonwz/cs+IEHdwuMTodaniUE9lRJl3MG2edTfhW5s2yJM5N pV4gu/tibHRXqA72H4VvYuk4QQunp/ECUPeeKq/XoM6GsJ8vgcgf2CQGa9FQFkG0E1 +ykdAkg5Ebwe944Y5flVLjNK17XSAp4BgtbuvDO0PzCyutebaKszp8AMrAGAIU/Srg rE+hwlWeMJd9g== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 21/53] media: core: Add helper to get queue number of buffers Date: Mon, 2 Oct 2023 14:05:45 +0200 Message-Id: <20231002120617.119602-22-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" In the future a side effect of introducing DELETE_BUFS ioctl is the create of 'holes' (i.e. unused buffers) in bufs arrays. To know which entries of the bufs arrays are used a bitmap will be added in struct vb2_queue. That will also mean that the number of buffers will be computed given the number of bit set in this bitmap. To smoothly allow this evolution all drives must stop using directly num_buffers field from struct vb2_queue. Let do it in 4 steps: - Introduce vb2_get_num_buffers() helper - Rework how create_bufs first buffer index is computed - Rework all drivers to remove direct calls to queue num_buffers - Replace num_buffers by a bitmap. Signed-off-by: Benjamin Gaignard --- .../media/common/videobuf2/videobuf2-core.c | 109 ++++++++++-------- .../media/common/videobuf2/videobuf2-v4l2.c | 2 +- include/media/videobuf2-core.h | 11 +- 3 files changed, 72 insertions(+), 50 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/medi= a/common/videobuf2/videobuf2-core.c index 098966846e12..8da8a7dfff44 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -425,6 +425,8 @@ static void vb2_queue_add_buffer(struct vb2_queue *q, s= truct vb2_buffer *vb, uns */ static void vb2_queue_remove_buffer(struct vb2_buffer *vb) { + if (vb->vb2_queue->num_buffers) + vb->vb2_queue->num_buffers--; vb->vb2_queue->bufs[vb->index] =3D NULL; vb->vb2_queue =3D NULL; } @@ -508,12 +510,12 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enu= m vb2_memory memory, */ static void __vb2_free_mem(struct vb2_queue *q, unsigned int buffers) { - unsigned int buffer; + unsigned int buffer =3D 0; + long i =3D q->max_num_buffers; struct vb2_buffer *vb; =20 - for (buffer =3D q->num_buffers - buffers; buffer < q->num_buffers; - ++buffer) { - vb =3D vb2_get_buffer(q, buffer); + for (i =3D q->max_num_buffers; i >=3D 0 && buffer < buffers; i--) { + vb =3D vb2_get_buffer(q, i); if (!vb) continue; =20 @@ -524,6 +526,7 @@ static void __vb2_free_mem(struct vb2_queue *q, unsigne= d int buffers) __vb2_buf_dmabuf_put(vb); else __vb2_buf_userptr_put(vb); + buffer++; } } =20 @@ -535,16 +538,20 @@ static void __vb2_free_mem(struct vb2_queue *q, unsig= ned int buffers) static void __vb2_queue_free(struct vb2_queue *q, unsigned int buffers) { unsigned int buffer; + long i =3D q->max_num_buffers; =20 lockdep_assert_held(&q->mmap_lock); =20 /* Call driver-provided cleanup function for each buffer, if provided */ - for (buffer =3D q->num_buffers - buffers; buffer < q->num_buffers; - ++buffer) { - struct vb2_buffer *vb =3D vb2_get_buffer(q, buffer); + for (i =3D q->max_num_buffers, buffer =3D 0; i >=3D 0 && buffer < buffers= ; i--) { + struct vb2_buffer *vb =3D vb2_get_buffer(q, i); =20 - if (vb && vb->planes[0].mem_priv) + if (!vb) + continue; + if (vb->planes[0].mem_priv) { call_void_vb_qop(vb, buf_cleanup, vb); + buffer++; + } } =20 /* Release video buffer memory */ @@ -555,7 +562,7 @@ static void __vb2_queue_free(struct vb2_queue *q, unsig= ned int buffers) * Check that all the calls were balanced during the life-time of this * queue. If not then dump the counters to the kernel log. */ - if (q->num_buffers) { + if (vb2_get_num_buffers(q)) { bool unbalanced =3D q->cnt_start_streaming !=3D q->cnt_stop_streaming || q->cnt_prepare_streaming !=3D q->cnt_unprepare_streaming || q->cnt_wait_prepare !=3D q->cnt_wait_finish; @@ -581,7 +588,7 @@ static void __vb2_queue_free(struct vb2_queue *q, unsig= ned int buffers) q->cnt_stop_streaming =3D 0; q->cnt_unprepare_streaming =3D 0; } - for (buffer =3D 0; buffer < q->num_buffers; ++buffer) { + for (buffer =3D 0; buffer < q->max_num_buffers; buffer++) { struct vb2_buffer *vb =3D vb2_get_buffer(q, buffer); bool unbalanced; =20 @@ -633,19 +640,18 @@ static void __vb2_queue_free(struct vb2_queue *q, uns= igned int buffers) #endif =20 /* Free vb2 buffers */ - for (buffer =3D q->num_buffers - buffers; buffer < q->num_buffers; - ++buffer) { - struct vb2_buffer *vb =3D vb2_get_buffer(q, buffer); + for (i =3D q->max_num_buffers, buffer =3D 0; i >=3D 0 && buffer < buffers= ; i--) { + struct vb2_buffer *vb =3D vb2_get_buffer(q, i); =20 if (!vb) continue; =20 vb2_queue_remove_buffer(vb); kfree(vb); + buffer++; } =20 - q->num_buffers -=3D buffers; - if (!q->num_buffers) { + if (!vb2_get_num_buffers(q)) { q->memory =3D VB2_MEMORY_UNKNOWN; INIT_LIST_HEAD(&q->queued_list); } @@ -676,7 +682,7 @@ EXPORT_SYMBOL(vb2_buffer_in_use); static bool __buffers_in_use(struct vb2_queue *q) { unsigned int buffer; - for (buffer =3D 0; buffer < q->num_buffers; ++buffer) { + for (buffer =3D 0; buffer < q->max_num_buffers; ++buffer) { struct vb2_buffer *vb =3D vb2_get_buffer(q, buffer); =20 if (!vb) @@ -802,6 +808,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memo= ry memory, unsigned int flags, unsigned int *count) { unsigned int num_buffers, allocated_buffers, num_planes =3D 0; + unsigned int q_num_bufs =3D vb2_get_num_buffers(q); unsigned plane_sizes[VB2_MAX_PLANES] =3D { }; bool non_coherent_mem =3D flags & V4L2_MEMORY_FLAG_NON_COHERENT; unsigned int i; @@ -817,7 +824,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memo= ry memory, return -EBUSY; } =20 - if (*count =3D=3D 0 || q->num_buffers !=3D 0 || + if (*count =3D=3D 0 || q_num_bufs !=3D 0 || (q->memory !=3D VB2_MEMORY_UNKNOWN && q->memory !=3D memory) || !verify_coherency_flags(q, non_coherent_mem)) { /* @@ -835,7 +842,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memo= ry memory, * queued without ever calling STREAMON. */ __vb2_queue_cancel(q); - __vb2_queue_free(q, q->num_buffers); + __vb2_queue_free(q, q_num_bufs); mutex_unlock(&q->mmap_lock); =20 /* @@ -935,7 +942,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memo= ry memory, if (ret < 0) { /* * Note: __vb2_queue_free() will subtract 'allocated_buffers' - * from q->num_buffers and it will reset q->memory to + * from already queued buffers and it will reset q->memory to * VB2_MEMORY_UNKNOWN. */ __vb2_queue_free(q, allocated_buffers); @@ -969,10 +976,11 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb= 2_memory memory, unsigned int num_planes =3D 0, num_buffers, allocated_buffers; unsigned plane_sizes[VB2_MAX_PLANES] =3D { }; bool non_coherent_mem =3D flags & V4L2_MEMORY_FLAG_NON_COHERENT; - bool no_previous_buffers =3D !q->num_buffers; + unsigned int q_num_bufs =3D vb2_get_num_buffers(q); + bool no_previous_buffers =3D !q_num_bufs; int ret =3D 0; =20 - if (q->num_buffers =3D=3D q->max_num_buffers) { + if (q_num_bufs =3D=3D q->max_num_buffers) { dprintk(q, 1, "maximum number of buffers already allocated\n"); return -ENOBUFS; } @@ -1007,7 +1015,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb= 2_memory memory, return -EINVAL; } =20 - num_buffers =3D min(*count, q->max_num_buffers - q->num_buffers); + num_buffers =3D min(*count, q->max_num_buffers - q_num_bufs); =20 if (requested_planes && requested_sizes) { num_planes =3D requested_planes; @@ -1039,7 +1047,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb= 2_memory memory, num_buffers =3D allocated_buffers; =20 /* - * q->num_buffers contains the total number of buffers, that the + * num_buffers contains the total number of buffers, that the * queue driver has set up */ ret =3D call_qop(q, queue_setup, q, &num_buffers, @@ -1060,7 +1068,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb= 2_memory memory, if (ret < 0) { /* * Note: __vb2_queue_free() will subtract 'allocated_buffers' - * from q->num_buffers and it will reset q->memory to + * from already queued buffers and it will reset q->memory to * VB2_MEMORY_UNKNOWN. */ __vb2_queue_free(q, allocated_buffers); @@ -1677,7 +1685,7 @@ static int vb2_start_streaming(struct vb2_queue *q) * Forcefully reclaim buffers if the driver did not * correctly return them to vb2. */ - for (i =3D 0; i < q->num_buffers; ++i) { + for (i =3D 0; i < q->max_num_buffers; ++i) { vb =3D vb2_get_buffer(q, i); =20 if (!vb) @@ -2083,9 +2091,8 @@ static void __vb2_queue_cancel(struct vb2_queue *q) * to vb2 in stop_streaming(). */ if (WARN_ON(atomic_read(&q->owned_by_drv_count))) { - for (i =3D 0; i < q->num_buffers; ++i) { + for (i =3D 0; i < q->max_num_buffers; i++) { struct vb2_buffer *vb =3D vb2_get_buffer(q, i); - if (!vb) continue; =20 @@ -2127,10 +2134,9 @@ static void __vb2_queue_cancel(struct vb2_queue *q) * call to __fill_user_buffer() after buf_finish(). That order can't * be changed, so we can't move the buf_finish() to __vb2_dqbuf(). */ - for (i =3D 0; i < q->num_buffers; ++i) { + for (i =3D 0; i < q->max_num_buffers; i++) { struct vb2_buffer *vb; struct media_request *req; - vb =3D vb2_get_buffer(q, i); if (!vb) continue; @@ -2175,6 +2181,7 @@ static void __vb2_queue_cancel(struct vb2_queue *q) =20 int vb2_core_streamon(struct vb2_queue *q, unsigned int type) { + unsigned int q_num_bufs =3D vb2_get_num_buffers(q); int ret; =20 if (type !=3D q->type) { @@ -2187,12 +2194,12 @@ int vb2_core_streamon(struct vb2_queue *q, unsigned= int type) return 0; } =20 - if (!q->num_buffers) { + if (!q_num_bufs) { dprintk(q, 1, "no buffers have been allocated\n"); return -EINVAL; } =20 - if (q->num_buffers < q->min_buffers_needed) { + if (q_num_bufs < q->min_buffers_needed) { dprintk(q, 1, "need at least %u allocated buffers\n", q->min_buffers_needed); return -EINVAL; @@ -2530,9 +2537,10 @@ void vb2_core_queue_release(struct vb2_queue *q) __vb2_cleanup_fileio(q); __vb2_queue_cancel(q); mutex_lock(&q->mmap_lock); - __vb2_queue_free(q, q->num_buffers); + __vb2_queue_free(q, q->max_num_buffers); kfree(q->bufs); q->bufs =3D NULL; + q->num_buffers =3D 0; mutex_unlock(&q->mmap_lock); } EXPORT_SYMBOL_GPL(vb2_core_queue_release); @@ -2561,7 +2569,7 @@ __poll_t vb2_core_poll(struct vb2_queue *q, struct fi= le *file, /* * Start file I/O emulator only if streaming API has not been used yet. */ - if (q->num_buffers =3D=3D 0 && !vb2_fileio_is_active(q)) { + if (vb2_get_num_buffers(q) =3D=3D 0 && !vb2_fileio_is_active(q)) { if (!q->is_output && (q->io_modes & VB2_READ) && (req_events & (EPOLLIN | EPOLLRDNORM))) { if (__vb2_init_fileio(q, 1)) @@ -2599,7 +2607,7 @@ __poll_t vb2_core_poll(struct vb2_queue *q, struct fi= le *file, * For output streams you can call write() as long as there are fewer * buffers queued than there are buffers available. */ - if (q->is_output && q->fileio && q->queued_count < q->num_buffers) + if (q->is_output && q->fileio && q->queued_count < vb2_get_num_buffers(q)) return EPOLLOUT | EPOLLWRNORM; =20 if (list_empty(&q->done_list)) { @@ -2648,8 +2656,8 @@ struct vb2_fileio_buf { * struct vb2_fileio_data - queue context used by file io emulator * * @cur_index: the index of the buffer currently being read from or - * written to. If equal to q->num_buffers then a new buffer - * must be dequeued. + * written to. If equal to number of already queues buffers + * then a new buffer must be dequeued. * @initial_index: in the read() case all buffers are queued up immediately * in __vb2_init_fileio() and __vb2_perform_fileio() just cycles * buffers. However, in the write() case no buffers are initially @@ -2659,7 +2667,7 @@ struct vb2_fileio_buf { * buffers. This means that initially __vb2_perform_fileio() * needs to know what buffer index to use when it is queuing up * the buffers for the first time. That initial index is stored - * in this field. Once it is equal to q->num_buffers all + * in this field. Once it is equal to num_buffers all * available buffers have been queued and __vb2_perform_fileio() * should start the normal dequeue/queue cycle. * @@ -2709,7 +2717,7 @@ static int __vb2_init_fileio(struct vb2_queue *q, int= read) /* * Check if streaming api has not been already activated. */ - if (q->streaming || q->num_buffers > 0) + if (q->streaming || vb2_get_num_buffers(q) > 0) return -EBUSY; =20 /* @@ -2759,7 +2767,7 @@ static int __vb2_init_fileio(struct vb2_queue *q, int= read) /* * Get kernel address of each buffer. */ - for (i =3D 0; i < q->num_buffers; i++) { + for (i =3D 0; i < vb2_get_num_buffers(q); i++) { vb =3D vb2_get_buffer(q, i); WARN_ON_ONCE(!vb); =20 @@ -2778,18 +2786,23 @@ static int __vb2_init_fileio(struct vb2_queue *q, i= nt read) /* * Queue all buffers. */ - for (i =3D 0; i < q->num_buffers; i++) { - ret =3D vb2_core_qbuf(q, q->bufs[i], NULL, NULL); + for (i =3D 0; i < vb2_get_num_buffers(q); i++) { + struct vb2_buffer *vb2 =3D vb2_get_buffer(q, i); + + if (!vb2) + continue; + + ret =3D vb2_core_qbuf(q, vb2, NULL, NULL); if (ret) goto err_reqbufs; fileio->bufs[i].queued =3D 1; } /* * All buffers have been queued, so mark that by setting - * initial_index to q->num_buffers + * initial_index to num_buffers */ - fileio->initial_index =3D q->num_buffers; - fileio->cur_index =3D q->num_buffers; + fileio->initial_index =3D vb2_get_num_buffers(q); + fileio->cur_index =3D fileio->initial_index; } =20 /* @@ -2983,12 +2996,12 @@ static size_t __vb2_perform_fileio(struct vb2_queue= *q, char __user *data, size_ * If we are queuing up buffers for the first time, then * increase initial_index by one. */ - if (fileio->initial_index < q->num_buffers) + if (fileio->initial_index < vb2_get_num_buffers(q)) fileio->initial_index++; /* * The next buffer to use is either a buffer that's going to be - * queued for the first time (initial_index < q->num_buffers) - * or it is equal to q->num_buffers, meaning that the next + * queued for the first time (initial_index < num_buffers) + * or it is equal to num_buffers, meaning that the next * time we need to dequeue a buffer since we've now queued up * all the 'first time' buffers. */ @@ -3035,7 +3048,7 @@ static int vb2_thread(void *data) int ret =3D 0; =20 if (q->is_output) { - prequeue =3D q->num_buffers; + prequeue =3D vb2_get_num_buffers(q); copy_timestamp =3D q->copy_timestamp; } =20 diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/medi= a/common/videobuf2/videobuf2-v4l2.c index 38eef0c5d18c..a4ebef82d94e 100644 --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c @@ -628,7 +628,7 @@ struct vb2_buffer *vb2_find_buffer(struct vb2_queue *q,= u64 timestamp) * This loop doesn't scale if there is a really large number of buffers. * Maybe something more efficient will be needed in this case. */ - for (i =3D 0; i < q->num_buffers; i++) { + for (i =3D 0; i < q->max_num_buffers; i++) { vb2 =3D vb2_get_buffer(q, i); =20 if (!vb2) diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index 1d6d68e8a711..dffb9647d4d1 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -1141,6 +1141,15 @@ static inline bool vb2_fileio_is_active(struct vb2_q= ueue *q) return q->fileio; } =20 +/** + * vb2_get_num_buffers() - get the number of buffer in a queue + * @q: pointer to &struct vb2_queue with videobuf2 queue. + */ +static inline unsigned int vb2_get_num_buffers(struct vb2_queue *q) +{ + return q->num_buffers; +} + /** * vb2_is_busy() - return busy status of the queue. * @q: pointer to &struct vb2_queue with videobuf2 queue. @@ -1149,7 +1158,7 @@ static inline bool vb2_fileio_is_active(struct vb2_qu= eue *q) */ static inline bool vb2_is_busy(struct vb2_queue *q) { - return (q->num_buffers > 0); + return (vb2_get_num_buffers(q) > 0); } =20 /** --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 87322E784AD for ; Mon, 2 Oct 2023 12:07:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237281AbjJBMHf (ORCPT ); Mon, 2 Oct 2023 08:07:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43064 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236875AbjJBMGk (ORCPT ); Mon, 2 Oct 2023 08:06:40 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BAE82D3; Mon, 2 Oct 2023 05:06:37 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 2C4916607354; Mon, 2 Oct 2023 13:06:36 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248396; bh=o2sVtoPPYvq8hM/qyihWIqN4hasDvFA4zhZmTyTxJEg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LZoIr6Aa29WK9jtAi4bhWXVU09xGPozLHfM9AWyp2/4it88IbTUdyauEaVoCdH2xM RA/pNdv9vT5YObLSD9479wMNz5cHkwRu8lAX1hRrkSDyL6kOKoQt7p1Y1TQ+EIpAUY Zv4SESVakzfakl8yLNOSoJbJ5wxKu5HDHTBJBGfoQZdHWlnlgwgczGbxx2q5I5E3S9 k0y+fgM1doQWIzlEryyyfzoA8+WHBJwUTCzPGV/q6PUAZv1r8JPY8DcLLjF5KnVM+N 2ZykrRg/qi+3/kkpDEbLTCVBpRjmctEbBYrKjc6Xdn083+cjqN2UzOX2PROsjompQd j9+9eLNMDaOaQ== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 22/53] media: dvb-core: Do not initialize twice queue num_buffer field Date: Mon, 2 Oct 2023 14:05:46 +0200 Message-Id: <20231002120617.119602-23-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The above memset already zeroed all the ctx fields, it is useless to do it here again. Signed-off-by: Benjamin Gaignard --- drivers/media/dvb-core/dvb_vb2.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/media/dvb-core/dvb_vb2.c b/drivers/media/dvb-core/dvb_= vb2.c index 3a966fdf814c..a731b755a0b9 100644 --- a/drivers/media/dvb-core/dvb_vb2.c +++ b/drivers/media/dvb-core/dvb_vb2.c @@ -177,7 +177,6 @@ int dvb_vb2_init(struct dvb_vb2_ctx *ctx, const char *n= ame, int nonblocking) q->ops =3D &dvb_vb2_qops; q->mem_ops =3D &vb2_vmalloc_memops; q->buf_ops =3D &dvb_vb2_buf_ops; - q->num_buffers =3D 0; ret =3D vb2_core_queue_init(q); if (ret) { ctx->state =3D DVB_VB2_STATE_NONE; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 067C3E784AC for ; Mon, 2 Oct 2023 12:07:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237233AbjJBMHo (ORCPT ); Mon, 2 Oct 2023 08:07:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43098 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236928AbjJBMGl (ORCPT ); Mon, 2 Oct 2023 08:06:41 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 529F1D7; Mon, 2 Oct 2023 05:06:38 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id B7CEC66072E6; Mon, 2 Oct 2023 13:06:36 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248397; bh=rkThknrqAdahL7+ESWJTTDJdizQjBtgRoFGagWtq+LE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gDvuJr0Yln1s0Fg3NmCkxvR/G8gewdO494eLn2gB1PDHl5nkzve6X5KbuBnoZquFo Uz4kYKYVfkIMT4b4tk5tKVvpGJ+Aagug2isCedZOUUPlwna9Hz14cncfuyLF9d2cQ/ XpocK5lVt/N6mqR4HWxLiZJlwZOYxW3UZSdbQd+dTcWOcGJYvu57PiLVDwATPRhL/s IKHASWKdsqdlfXegI0bkZLzCKZ5czfYP7RGEa6uDRoj0gPDArWuMwLWG/bqOGY9WZY 4LHmHcA9Yn9DCGk34X4hlT7a3JbKrkPxI3RlnyahPIYonkIr17uArVDwHqSK8j4Lp9 3R0mu/kBRynmg== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 23/53] media: dvb-frontends: rtl2832_srd: Use queue min_buffers_needed field Date: Mon, 2 Oct 2023 14:05:47 +0200 Message-Id: <20231002120617.119602-24-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" queue_setup checks for a minimum number of buffers so use queue min_buffers_needed field and remove the check done in rtl2832_sdr_queue_setup(). Signed-off-by: Benjamin Gaignard --- drivers/media/dvb-frontends/rtl2832_sdr.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-= frontends/rtl2832_sdr.c index 02c619e51641..597b1548ed8b 100644 --- a/drivers/media/dvb-frontends/rtl2832_sdr.c +++ b/drivers/media/dvb-frontends/rtl2832_sdr.c @@ -440,14 +440,9 @@ static int rtl2832_sdr_queue_setup(struct vb2_queue *v= q, struct rtl2832_sdr_dev *dev =3D vb2_get_drv_priv(vq); struct platform_device *pdev =3D dev->pdev; =20 - dev_dbg(&pdev->dev, "nbuffers=3D%d\n", *nbuffers); - - /* Need at least 8 buffers */ - if (vq->num_buffers + *nbuffers < 8) - *nbuffers =3D 8 - vq->num_buffers; *nplanes =3D 1; sizes[0] =3D PAGE_ALIGN(dev->buffersize); - dev_dbg(&pdev->dev, "nbuffers=3D%d sizes[0]=3D%d\n", *nbuffers, sizes[0]); + dev_dbg(&pdev->dev, "nbuffers=3D%d sizes[0]=3D%d\n", vb2_get_num_buffers(= vq), sizes[0]); return 0; } =20 @@ -1364,6 +1359,8 @@ static int rtl2832_sdr_probe(struct platform_device *= pdev) dev->vb_queue.ops =3D &rtl2832_sdr_vb2_ops; dev->vb_queue.mem_ops =3D &vb2_vmalloc_memops; dev->vb_queue.timestamp_flags =3D V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + /* Need at least 8 buffers */ + dev->vb_queue.min_buffers_needed =3D 8; ret =3D vb2_queue_init(&dev->vb_queue); if (ret) { dev_err(&pdev->dev, "Could not initialize vb2 queue\n"); --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3E26AE784AC for ; Mon, 2 Oct 2023 12:07:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237294AbjJBMHj (ORCPT ); Mon, 2 Oct 2023 08:07:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43110 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236924AbjJBMGl (ORCPT ); Mon, 2 Oct 2023 08:06:41 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C14B5D8; Mon, 2 Oct 2023 05:06:38 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 426866607355; Mon, 2 Oct 2023 13:06:37 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248397; bh=uLtpgbM1S6TEQd3BheD+tuaw3lVo9oisDECpkyjdDDQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hvOOZeZefC5zgF8PsAuDdhv3eEXQISDaTtsX3H9S3Cyo3bn/LEJcDR+tLROPWHkWO aWwR64rHuAUE0GFlHbMqeb2grRFR2ng0LKa/ZrsMYXyuaU6Qg5QjnAeGCsw70MnYPX 2itfqb85Hw3Qt4EmDWVKlJK1M16MWYer28K1NUUrNpxOkYsiBqaRPlTX6LAqfjlzax 90xHKQg5g6jU5XHYqRx2oceyvuY/5+6gZYJcU/ci6wVGHjEtLnW3R1eSgE339my5Fh QhjKNbM8XnNkfOZwh81cXYJXXxZPmY+EsvxTPnU5xlMi5XRqfJYLdxpbqIJPhZzNSk ZQP/ZQuzMe0oQ== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 24/53] media: video-i2c: Set min_buffers_needed to 2 Date: Mon, 2 Oct 2023 14:05:48 +0200 Message-Id: <20231002120617.119602-25-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" vb2 queue_setup checks for a minimum number of buffers so set min_buffers_needed to 2 and remove the useless check in video-i2c queue_setup(). Signed-off-by: Benjamin Gaignard --- drivers/media/i2c/video-i2c.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/media/i2c/video-i2c.c b/drivers/media/i2c/video-i2c.c index 537ebd9fa8d7..5692d0b529d7 100644 --- a/drivers/media/i2c/video-i2c.c +++ b/drivers/media/i2c/video-i2c.c @@ -406,9 +406,6 @@ static int queue_setup(struct vb2_queue *vq, struct video_i2c_data *data =3D vb2_get_drv_priv(vq); unsigned int size =3D data->chip->buffer_size; =20 - if (vq->num_buffers + *nbuffers < 2) - *nbuffers =3D 2; - if (*nplanes) return sizes[0] < size ? -EINVAL : 0; =20 @@ -798,7 +795,7 @@ static int video_i2c_probe(struct i2c_client *client) queue->timestamp_flags =3D V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; queue->drv_priv =3D data; queue->buf_struct_size =3D sizeof(struct video_i2c_buffer); - queue->min_buffers_needed =3D 1; + queue->min_buffers_needed =3D 2; queue->ops =3D &video_i2c_video_qops; queue->mem_ops =3D &vb2_vmalloc_memops; =20 --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0387DE784B3 for ; Mon, 2 Oct 2023 12:07:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237301AbjJBMHl (ORCPT ); Mon, 2 Oct 2023 08:07:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43130 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236916AbjJBMGm (ORCPT ); Mon, 2 Oct 2023 08:06:42 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 64BC1DC; Mon, 2 Oct 2023 05:06:39 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id C3EAC6607314; Mon, 2 Oct 2023 13:06:37 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248398; bh=rFkYvrsLIxo1F3JyDJJ7M8J5xfn6Sk0yrCHC7ra2U7I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bRiKkGKIJuhR8tW633Q+S6cmt8zPYV/y99ED5+yb5zkJYu0g/GpVnQSmWnFyOkz2Y bhB7BzB/IjveUq8fucPgglDup4I3eUZsHov9wA612eo2HcnxvazFPWW6Z2m7FHeEpX FbafF2weqx2xU8NOBbDsBIF1xYDxaQQkt37Oi6m9MVZePbzBlysEJW9ldiEXmF/rvh w7gCSXZfLL3DFw1ODQpBOfku2CEsFCZCg+gEaMkMDp5UwmFm5ckf4pa9VhLlr/vsxd yzMkEO07cFYr6w5+g2kZwqAuA+jnRwkqaUxudUlsf6r+iPtE7YiwC2bwo4rHukp/dS Q3eEqxcfyBoUg== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 25/53] media: pci: cx18: Set correct value to min_buffers_needed field Date: Mon, 2 Oct 2023 14:05:49 +0200 Message-Id: <20231002120617.119602-26-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Set queue min_buffers_needed field to 3 and remove the useless check. Signed-off-by: Benjamin Gaignard --- drivers/media/pci/cx18/cx18-streams.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/media/pci/cx18/cx18-streams.c b/drivers/media/pci/cx18= /cx18-streams.c index 597472754c4c..6ed2c9fb882c 100644 --- a/drivers/media/pci/cx18/cx18-streams.c +++ b/drivers/media/pci/cx18/cx18-streams.c @@ -117,13 +117,6 @@ static int cx18_queue_setup(struct vb2_queue *vq, else szimage =3D cx->cxhdl.height * 720 * 2; =20 - /* - * Let's request at least three buffers: two for the - * DMA engine and one for userspace. - */ - if (vq->num_buffers + *nbuffers < 3) - *nbuffers =3D 3 - vq->num_buffers; - if (*nplanes) { if (*nplanes !=3D 1 || sizes[0] < szimage) return -EINVAL; @@ -286,7 +279,11 @@ static int cx18_stream_init(struct cx18 *cx, int type) s->vidq.ops =3D &cx18_vb2_qops; s->vidq.mem_ops =3D &vb2_vmalloc_memops; s->vidq.timestamp_flags =3D V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - s->vidq.min_buffers_needed =3D 2; + /* + * Let's request at least three buffers: two for the + * DMA engine and one for userspace. + */ + s->vidq.min_buffers_needed =3D 3; s->vidq.gfp_flags =3D GFP_DMA32; s->vidq.dev =3D &cx->pci_dev->dev; s->vidq.lock =3D &cx->serialize_lock; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4EC46E784BB for ; Mon, 2 Oct 2023 12:07:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237212AbjJBMHy (ORCPT ); Mon, 2 Oct 2023 08:07:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43158 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236937AbjJBMGn (ORCPT ); Mon, 2 Oct 2023 08:06:43 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F351594; Mon, 2 Oct 2023 05:06:39 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 4E233660731D; Mon, 2 Oct 2023 13:06:38 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248398; bh=7OP/lnsbD5MzPZ4L/gceSmxIzda3Ng9eLtu0phjni7k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f88Lkm0oKTrBkVS+11PzY0oHDtH24yH2hRy+ovgFH1RcJt5BuaKf6dhZxZLVj0d1m pEzDe/zH34BjfmNCWHk1Svyw2F0rYKTA0eC9K3BsAvthcKPWLO/lVfpBVpCabDtXy6 rlKYM4QI0x7Qk85CCDVH9q6BouBVguyNbu+VOFQ0yAyJ2trsFPY0DuP4fZshU3ycxI RhqyY6MdSIb8qkbL9MDzvwRW4iTiRZJI26o6YziZ7lkHlbOiT8kT8pdOhQoP461h+l cYL1AwoinjFwZCpMScAjefTMXBVzvZ/bJY7xQ0t36JVzRr+x6xGZSgr4yqr9FwgL5N 5Lpd1ZJ/O0xVA== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 26/53] media: pci: dt3155: Remove useless check Date: Mon, 2 Oct 2023 14:05:50 +0200 Message-Id: <20231002120617.119602-27-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" min_buffers_needed is already set to 2 so remove this useless check. Signed-off-by: Benjamin Gaignard --- drivers/media/pci/dt3155/dt3155.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/media/pci/dt3155/dt3155.c b/drivers/media/pci/dt3155/d= t3155.c index 548156b199cc..d09cde2f6ee4 100644 --- a/drivers/media/pci/dt3155/dt3155.c +++ b/drivers/media/pci/dt3155/dt3155.c @@ -128,8 +128,6 @@ dt3155_queue_setup(struct vb2_queue *vq, struct dt3155_priv *pd =3D vb2_get_drv_priv(vq); unsigned size =3D pd->width * pd->height; =20 - if (vq->num_buffers + *nbuffers < 2) - *nbuffers =3D 2 - vq->num_buffers; if (*num_planes) return sizes[0] < size ? -EINVAL : 0; *num_planes =3D 1; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0D530E7849A for ; Mon, 2 Oct 2023 12:08:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237258AbjJBMIC (ORCPT ); Mon, 2 Oct 2023 08:08:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43164 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236945AbjJBMGn (ORCPT ); Mon, 2 Oct 2023 08:06:43 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A597B0; Mon, 2 Oct 2023 05:06:40 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id D95976607356; Mon, 2 Oct 2023 13:06:38 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248399; bh=ZWZu+iiWZeSR97TuxWAcPyCT2zWmqcsNlEZTasx6lQc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jHuIY1C3xdaiIOcz8Gnf5aJox/kRb26KCOPiCbxf/EP7Q4CYPzisp52Z9WHgipQGK 1olsqWV1yrelchZO27XT5TZl8znK3yUVD1ZLGBuDsXGazsGSBKlLN1QNFjTgUYvmdl EU0twmXBgV45JyyTtRYUOeX3nclSp6MAV+16D7L2DPC0cT6sfat/49+Khg38EPriEJ 58yE+KobUFleYnvREnM9aj9XS1ml0CBr1XpuaOQ1RRhpEm1Hbe3AMSGb5na0pn1/Kc L2qJehzRfvjg6plJ5W9XGnM4oNagK60r1k7SG+ZQ0P6S2pne7VFZkUUvlx0joAqCCG kUVB5ZLvMQU6w== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 27/53] media: pci: netup_unidvb: Remove useless number of buffers check Date: Mon, 2 Oct 2023 14:05:51 +0200 Message-Id: <20231002120617.119602-28-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" vb2 core tests this already so remove it. Signed-off-by: Benjamin Gaignard --- drivers/media/pci/netup_unidvb/netup_unidvb_core.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/m= edia/pci/netup_unidvb/netup_unidvb_core.c index d85bfbb77a25..52de9b0af812 100644 --- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c +++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c @@ -297,11 +297,9 @@ static int netup_unidvb_queue_setup(struct vb2_queue *= vq, dev_dbg(&dma->ndev->pci_dev->dev, "%s()\n", __func__); =20 *nplanes =3D 1; - if (vq->num_buffers + *nbuffers < VIDEO_MAX_FRAME) - *nbuffers =3D VIDEO_MAX_FRAME - vq->num_buffers; sizes[0] =3D PAGE_ALIGN(NETUP_DMA_PACKETS_COUNT * 188); dev_dbg(&dma->ndev->pci_dev->dev, "%s() nbuffers=3D%d sizes[0]=3D%d\n", - __func__, *nbuffers, sizes[0]); + __func__, vb2_get_num_buffers(vq), sizes[0]); return 0; } =20 --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53F17E784AD for ; Mon, 2 Oct 2023 12:08:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237286AbjJBMIF (ORCPT ); Mon, 2 Oct 2023 08:08:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237019AbjJBMGv (ORCPT ); Mon, 2 Oct 2023 08:06:51 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 06D73D7; Mon, 2 Oct 2023 05:06:41 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 64E21660735D; Mon, 2 Oct 2023 13:06:39 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248399; bh=ds3q8wqXSU9KVQQlLH/PuQAEX1eguF3zVlgf4I/w/H0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=I5KklOKmAYqfs01UmjuHuRCO2CT7826IiucqUSUtoenKKJClyTm9F+QpyGPT/eHok kWC/acVlpvrHnHBVFo/0OqGkSsRT5d7GGrSD+xXsWz2VslyZimIiz96aR85j04ve9c oa2y1aOoApgBDSlj41f5Em214XY/av0kbDHcMWJUQcbw4OCZfbj3txGSFvQFsYL5Zo jvk/h78eNLT7u7dLBwLMxYUXLH1aHeMueHCcdwfzTa+29yF3XyFEDZybui/SbkOz/u yOUvaGnJNas+D7QtxU1X/kciRGNcf/CPYhPnr4LLIE30/jb4Mcgm2S5eMqO0HJP6oJ YX9bjkzffpZUg== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 28/53] media: pci: tw68: Stop direct calls to queue num_buffers field Date: Mon, 2 Oct 2023 14:05:52 +0200 Message-Id: <20231002120617.119602-29-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_num_buffers() to avoid using queue num_buffer field directly. Remove tot_bufs < 2 test because min_buffers_needed is already set to 2. Signed-off-by: Benjamin Gaignard --- drivers/media/pci/tw68/tw68-video.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/media/pci/tw68/tw68-video.c b/drivers/media/pci/tw68/t= w68-video.c index 773a18702d36..c0a8257b02ca 100644 --- a/drivers/media/pci/tw68/tw68-video.c +++ b/drivers/media/pci/tw68/tw68-video.c @@ -360,13 +360,11 @@ static int tw68_queue_setup(struct vb2_queue *q, unsigned int sizes[], struct device *alloc_devs[]) { struct tw68_dev *dev =3D vb2_get_drv_priv(q); - unsigned tot_bufs =3D q->num_buffers + *num_buffers; + unsigned tot_bufs =3D vb2_get_num_buffers(q) + *num_buffers; unsigned size =3D (dev->fmt->depth * dev->width * dev->height) >> 3; =20 - if (tot_bufs < 2) - tot_bufs =3D 2; tot_bufs =3D tw68_buffer_count(size, tot_bufs); - *num_buffers =3D tot_bufs - q->num_buffers; + *num_buffers =3D tot_bufs - vb2_get_num_buffers(q); /* * We allow create_bufs, but only if the sizeimage is >=3D as the * current sizeimage. The tw68_buffer_count calculation becomes quite --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AAF06E784B8 for ; Mon, 2 Oct 2023 12:07:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237256AbjJBMH5 (ORCPT ); Mon, 2 Oct 2023 08:07:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39470 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237020AbjJBMGv (ORCPT ); Mon, 2 Oct 2023 08:06:51 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 830D9D8; Mon, 2 Oct 2023 05:06:41 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id E6A57660735E; Mon, 2 Oct 2023 13:06:39 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248400; bh=fLRtME703ZZcICdPkAIYRy+HHmsEI0CB5+N7/vWII0U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c03Ru1tYnGMpuFqjWI31KctbRJeleYz1GuYndnICw+Daiw3FIxZGlxwCDsEbjUJ1K Ptdhz2+zKwmXgAWkiqJNqNZi5iwMcf/VY/ipG30ATm7B8C8m8ZycwGo9bQBkEW7dxl pYdHV6sk4nWApiN5YR/lC4+yAMtAOujsu3Lt7oW994srKL4+Kwm1aLKRT2oO42tUa3 1ri8HXQhKTCIyt8lvRgTIfvKo+bcZdWjd3ikbpmbpKvVYAylveu9YYdVCdiAXOOxF2 /EzG3nDp+J1AaiSSnzElHO9JuEt+6IDhbi5PjXRwLU3dW5tO3MBvBrFe8L5ODpxIhW TOP8WG4fyYBjQ== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 29/53] media: pci: tw686x: Set min_buffers_needed to 3 Date: Mon, 2 Oct 2023 14:05:53 +0200 Message-Id: <20231002120617.119602-30-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" vb2 queue_setup checks for a minimum number of buffers so set min_buffers_needed to 3 and remove the useless check in tw686x_queue_setup(). Signed-off-by: Benjamin Gaignard --- drivers/media/pci/tw686x/tw686x-video.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/media/pci/tw686x/tw686x-video.c b/drivers/media/pci/tw= 686x/tw686x-video.c index 3ebf7a2c95f0..74cd864365aa 100644 --- a/drivers/media/pci/tw686x/tw686x-video.c +++ b/drivers/media/pci/tw686x/tw686x-video.c @@ -426,13 +426,6 @@ static int tw686x_queue_setup(struct vb2_queue *vq, unsigned int szimage =3D (vc->width * vc->height * vc->format->depth) >> 3; =20 - /* - * Let's request at least three buffers: two for the - * DMA engine and one for userspace. - */ - if (vq->num_buffers + *nbuffers < 3) - *nbuffers =3D 3 - vq->num_buffers; - if (*nplanes) { if (*nplanes !=3D 1 || sizes[0] < szimage) return -EINVAL; @@ -1221,7 +1214,11 @@ int tw686x_video_init(struct tw686x_dev *dev) vc->vidq.ops =3D &tw686x_video_qops; vc->vidq.mem_ops =3D dev->dma_ops->mem_ops; vc->vidq.timestamp_flags =3D V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - vc->vidq.min_buffers_needed =3D 2; + /* + * Let's request at least three buffers: two for the + * DMA engine and one for userspace. + */ + vc->vidq.min_buffers_needed =3D 3; vc->vidq.lock =3D &vc->vb_mutex; vc->vidq.gfp_flags =3D dev->dma_mode !=3D TW686X_DMA_MODE_MEMCPY ? GFP_DMA32 : 0; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75EF1E7849A for ; Mon, 2 Oct 2023 12:08:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237393AbjJBMII (ORCPT ); Mon, 2 Oct 2023 08:08:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39492 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237027AbjJBMGw (ORCPT ); Mon, 2 Oct 2023 08:06:52 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 09412DA; Mon, 2 Oct 2023 05:06:42 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 76CDA660731E; Mon, 2 Oct 2023 13:06:40 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248400; bh=k8fwhTVoe5kIQmLsGjDDN8wml/hPJ1hmU1xyPTJsqEE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PARCf0B9LgiYmbtqADJdguJUUIOFN31OIzmQ5KPJ/bUlX9bv3vie3MCLREjmkvfbB 1EJvsIs7RPf/1f+buALl68xAbyy4DbkjdbHFBmVQ0tlUVWM68KF/tiHYZey+iGjcuc hh64EghSFjSnek1YDfa2EmhXuxum+MV5uDcJwNHGKSOnvLto3P96dhWq3lTQwTTqf3 z1gVRSUrjTHSWBe2mye0ITBUmyxBNQhhWhk/kACkS55tRXwHyQFk8XjqRJqrzaAyNk cFpgsL1ZoX4me24DufQ+Ms3/XoEtizoAF6JTcrireRJZIAr8PKAF92nuF20tWs3wwL DVw3kfFSWI7Qg== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 30/53] media: amphion: Stop direct calls to queue num_buffers field Date: Mon, 2 Oct 2023 14:05:54 +0200 Message-Id: <20231002120617.119602-31-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_num_buffers() to avoid using queue num_buffer field directly. Signed-off-by: Benjamin Gaignard --- drivers/media/platform/amphion/vpu_dbg.c | 8 ++++---- drivers/media/platform/amphion/vpu_v4l2.c | 4 ++-- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/media/platform/amphion/vpu_dbg.c b/drivers/media/platf= orm/amphion/vpu_dbg.c index a462d6fe4ea9..49d641f60cc9 100644 --- a/drivers/media/platform/amphion/vpu_dbg.c +++ b/drivers/media/platform/amphion/vpu_dbg.c @@ -87,7 +87,7 @@ static int vpu_dbg_instance(struct seq_file *s, void *dat= a) num =3D scnprintf(str, sizeof(str), "output (%2d, %2d): fmt =3D %c%c%c%c %d x %d, %d;", vb2_is_streaming(vq), - vq->num_buffers, + vb2_get_num_buffers(vq), inst->out_format.pixfmt, inst->out_format.pixfmt >> 8, inst->out_format.pixfmt >> 16, @@ -111,7 +111,7 @@ static int vpu_dbg_instance(struct seq_file *s, void *d= ata) num =3D scnprintf(str, sizeof(str), "capture(%2d, %2d): fmt =3D %c%c%c%c %d x %d, %d;", vb2_is_streaming(vq), - vq->num_buffers, + vb2_get_num_buffers(vq), inst->cap_format.pixfmt, inst->cap_format.pixfmt >> 8, inst->cap_format.pixfmt >> 16, @@ -139,7 +139,7 @@ static int vpu_dbg_instance(struct seq_file *s, void *d= ata) return 0; =20 vq =3D v4l2_m2m_get_src_vq(inst->fh.m2m_ctx); - for (i =3D 0; i < vq->num_buffers; i++) { + for (i =3D 0; i < vq->max_num_buffers; i++) { struct vb2_buffer *vb; struct vb2_v4l2_buffer *vbuf; =20 @@ -161,7 +161,7 @@ static int vpu_dbg_instance(struct seq_file *s, void *d= ata) } =20 vq =3D v4l2_m2m_get_dst_vq(inst->fh.m2m_ctx); - for (i =3D 0; i < vq->num_buffers; i++) { + for (i =3D 0; i < vq->max_num_buffers; i++) { struct vb2_buffer *vb; struct vb2_v4l2_buffer *vbuf; =20 diff --git a/drivers/media/platform/amphion/vpu_v4l2.c b/drivers/media/plat= form/amphion/vpu_v4l2.c index 0f6e4c666440..87afb4a18d5d 100644 --- a/drivers/media/platform/amphion/vpu_v4l2.c +++ b/drivers/media/platform/amphion/vpu_v4l2.c @@ -439,7 +439,7 @@ int vpu_get_num_buffers(struct vpu_inst *inst, u32 type) else q =3D v4l2_m2m_get_dst_vq(inst->fh.m2m_ctx); =20 - return q->num_buffers; + return vb2_get_num_buffers(q); } =20 static void vpu_m2m_device_run(void *priv) @@ -587,7 +587,7 @@ static int vpu_vb2_start_streaming(struct vb2_queue *q,= unsigned int count) fmt->sizeimage[0], fmt->bytesperline[0], fmt->sizeimage[1], fmt->bytesperline[1], fmt->sizeimage[2], fmt->bytesperline[2], - q->num_buffers); + vb2_get_num_buffers(q)); vb2_clear_last_buffer_dequeued(q); ret =3D call_vop(inst, start, q->type); if (ret) --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 82750E784B3 for ; Mon, 2 Oct 2023 12:08:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237223AbjJBMIf (ORCPT ); Mon, 2 Oct 2023 08:08:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39542 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237041AbjJBMGw (ORCPT ); Mon, 2 Oct 2023 08:06:52 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 93AADDD; Mon, 2 Oct 2023 05:06:42 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 07ED66607365; Mon, 2 Oct 2023 13:06:41 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248401; bh=vej0xyoaRLN25qHgld1P1pTyfPCEtxO7zlLcrG23sig=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Fw9jwe6mE5CMng6H9Uf2U9XYpAuDHCLAU1sWxhAa/o6/BiC+1UOpkHZoy1Jc+3byN USGMQbIaYODd+zNTk3pBdf1PdEU9xVreP7/94ROrqnIfRcgjsw5tOg1weiHlQ0wTJ+ naAtlt5ncEOGk5XsWsRKo9z9ncOyuZtklz+mW/ZCV21Of/WHveskbSSNOso0mfEA2r JIhXEZjXkfzJ1QWF6pQuLDy210Yn8fPoRWxIu+0nzX71UItYrYD+NY2I9I4w2Bhqvc nS5+UYtgpsImrMgjMLzR+Lf7OnjCL1b8MQTXvTkAN9BPWqeoffIkTFfQFkarRyEXVE 6uZ1QTy2NBSgA== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 31/53] media: coda: Stop direct calls to queue num_buffers field Date: Mon, 2 Oct 2023 14:05:55 +0200 Message-Id: <20231002120617.119602-32-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_num_buffers() to avoid using queue num_buffer field directly. Signed-off-by: Benjamin Gaignard --- drivers/media/platform/chips-media/coda-common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/chips-media/coda-common.c b/drivers/med= ia/platform/chips-media/coda-common.c index cc4892129aaf..f1d85758f6dd 100644 --- a/drivers/media/platform/chips-media/coda-common.c +++ b/drivers/media/platform/chips-media/coda-common.c @@ -794,7 +794,7 @@ static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2= _format *f, =20 if (vb2_is_busy(vq)) { v4l2_err(&ctx->dev->v4l2_dev, "%s: %s queue busy: %d\n", - __func__, v4l2_type_names[f->type], vq->num_buffers); + __func__, v4l2_type_names[f->type], vb2_get_num_buffers(vq)); return -EBUSY; } =20 --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 57DDAE784AC for ; Mon, 2 Oct 2023 12:08:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237350AbjJBMIU (ORCPT ); Mon, 2 Oct 2023 08:08:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39562 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237051AbjJBMGw (ORCPT ); Mon, 2 Oct 2023 08:06:52 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B91BE1; Mon, 2 Oct 2023 05:06:43 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 920F06607368; Mon, 2 Oct 2023 13:06:41 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248402; bh=GZZRScc0G+g9MpmVo+b1q2mYVPFLCSqMx1Hk2ETt1Vc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CnzI5EmZWPH0C/k47H1uHc3OmkZL34PD3BEWk2+K+WQA6OEXZQZrRSwxALkZEc+Ww Tw/bgpb0vH0rNmH/KT7l5JnhXzYgemFib3g6q5Z6JzDHULIEbe9CrfZfw42pnULANJ WgqjVNTAm/3+2DqfQEOwExXb9pIwsPc+aqq1fh7NxMA1mMsYwxEuFnVegIlVrQRL/S aA7p/EgmLcSe3nEu8r16DNZSqtmjRwS/3AeYmjV6BBv/W6GCXDK030pXc9Uz94stbK QGNlAU+2KSBllTAcXhyRRHlFbahrLdiNjVnVvU6Nbx0jGxIDPVfgiIh/rIULGZFDGc Eq+WOq0N173ZA== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 32/53] media: mediatek: vcodec: Stop direct calls to queue num_buffers field Date: Mon, 2 Oct 2023 14:05:56 +0200 Message-Id: <20231002120617.119602-33-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_num_buffers() to avoid using queue num_buffer field directly. Signed-off-by: Benjamin Gaignard --- drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc.= c b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc.c index 04948d3eb011..8c580956b905 100644 --- a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc.c +++ b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc.c @@ -923,7 +923,7 @@ static int vb2ops_venc_start_streaming(struct vb2_queue= *q, unsigned int count) mtk_v4l2_venc_err(ctx, "pm_runtime_put fail %d", pm_ret); =20 err_start_stream: - for (i =3D 0; i < q->num_buffers; ++i) { + for (i =3D 0; i < q->max_num_buffers; ++i) { struct vb2_buffer *buf =3D vb2_get_buffer(q, i); =20 /* --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6DC84E784AD for ; Mon, 2 Oct 2023 12:08:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237417AbjJBMIe (ORCPT ); Mon, 2 Oct 2023 08:08:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39520 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237044AbjJBMGw (ORCPT ); Mon, 2 Oct 2023 08:06:52 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A26E6E6; Mon, 2 Oct 2023 05:06:43 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 1DF3F660736C; Mon, 2 Oct 2023 13:06:42 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248402; bh=cXivZNqToe41YcZuXIOZnOz7dFiXtOZiRZUwxPYGOCA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aZw5h09m3XYRVNESmiQBVkoFnBHD4xeS9S3dqFa5KxfSdvYAorSED7uadoeiVicw/ 2soD0VhinwpxWfIYpE1qm/66MMIs0kq/elaRLAGIT47Gpma12Migc/EOsUGnQvIH9M iLCyy7l5xPIzaVeEO38o27mHI7JAaZlYax5Dd1tdRKtbTpDpseWnSyv36G0DX8glbZ UvtMCgz3gxP6orbVLX+8lvM80REiIV3RaKwglpaN/vDLl2yt24f10xL8I+B5czsJvT 1zZYLy88PPcdXDeuLxxiTr3pFJ0fY3FWMOE45G6VShlV77xxBhcXdELXiuPlkR6tvd JG6a7jnVLG+Jg== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 33/53] media: nxp: Stop direct calls to queue num_buffers field Date: Mon, 2 Oct 2023 14:05:57 +0200 Message-Id: <20231002120617.119602-34-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_num_buffers() to avoid using queue num_buffer field directly. Signed-off-by: Benjamin Gaignard --- drivers/media/platform/nxp/imx7-media-csi.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/nxp/imx7-media-csi.c b/drivers/media/pl= atform/nxp/imx7-media-csi.c index 15049c6aab37..4c467fb82789 100644 --- a/drivers/media/platform/nxp/imx7-media-csi.c +++ b/drivers/media/platform/nxp/imx7-media-csi.c @@ -1245,6 +1245,7 @@ static int imx7_csi_video_queue_setup(struct vb2_queu= e *vq, struct device *alloc_devs[]) { struct imx7_csi *csi =3D vb2_get_drv_priv(vq); + unsigned int q_num_bufs =3D vb2_get_num_buffers(vq); struct v4l2_pix_format *pix =3D &csi->vdev_fmt; unsigned int count =3D *nbuffers; =20 @@ -1254,14 +1255,14 @@ static int imx7_csi_video_queue_setup(struct vb2_qu= eue *vq, if (*nplanes) { if (*nplanes !=3D 1 || sizes[0] < pix->sizeimage) return -EINVAL; - count +=3D vq->num_buffers; + count +=3D q_num_bufs; } =20 count =3D min_t(__u32, IMX7_CSI_VIDEO_MEM_LIMIT / pix->sizeimage, count); =20 if (*nplanes) - *nbuffers =3D (count < vq->num_buffers) ? 0 : - count - vq->num_buffers; + *nbuffers =3D (count < q_num_bufs) ? 0 : + count - q_num_bufs; else *nbuffers =3D count; =20 --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6175BE784AD for ; Mon, 2 Oct 2023 12:08:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237168AbjJBMIM (ORCPT ); Mon, 2 Oct 2023 08:08:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39536 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237042AbjJBMGw (ORCPT ); Mon, 2 Oct 2023 08:06:52 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 297A1E9; Mon, 2 Oct 2023 05:06:44 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 9D7C1660731B; Mon, 2 Oct 2023 13:06:42 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248403; bh=RTtrEWB+iCCua3F+YDyTtBODpNsAwbuQk2kDkvELWIg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=b9MuuvaVQBy3u93YZ05RdLvVIEA1QanG9CwU5BFxKw/t0UKzW6lgYKXVUrP/KywYl YXJnIvA+mLA3Siz+tZXcwej+IZWL4FXiyF4MigqKKTHRIQTsNhWBcazE90GS1OJC2d iXzfeKvuJz+Hw+JjUvJPm4yimqdteLwQ+yK61uPjmP4AnkmKd6/R8s1xWn2+FZFY7F MEQaND3XzxBSgmFI9p4hAXGH2FF48PcDuOFiSSW9TXBkFeOEStLujzEjBCU9+lxuMP VWziQzsPm1VwGE68326/W9ljDyFXdtfJcBf+a1wZqNNwTpBldQaGAukGI4wGQs6HHJ B45TrPB7Rcnqg== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 34/53] media: renesas: Set min_buffers_needed to 16 Date: Mon, 2 Oct 2023 14:05:58 +0200 Message-Id: <20231002120617.119602-35-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" vb2 queue_setup checks for a minimum number of buffers so set min_buffers_needed to 16 and remove the useless check in rcar_drif_queue_setup(). Signed-off-by: Benjamin Gaignard --- drivers/media/platform/renesas/rcar_drif.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/media/platform/renesas/rcar_drif.c b/drivers/media/pla= tform/renesas/rcar_drif.c index 163a4ba61c17..8a9a70565d3f 100644 --- a/drivers/media/platform/renesas/rcar_drif.c +++ b/drivers/media/platform/renesas/rcar_drif.c @@ -425,13 +425,9 @@ static int rcar_drif_queue_setup(struct vb2_queue *vq, { struct rcar_drif_sdr *sdr =3D vb2_get_drv_priv(vq); =20 - /* Need at least 16 buffers */ - if (vq->num_buffers + *num_buffers < 16) - *num_buffers =3D 16 - vq->num_buffers; - *num_planes =3D 1; sizes[0] =3D PAGE_ALIGN(sdr->fmt->buffersize); - rdrif_dbg(sdr, "num_bufs %d sizes[0] %d\n", *num_buffers, sizes[0]); + rdrif_dbg(sdr, "num_bufs %u sizes[0] %d\n", vb2_get_num_buffers(vq), size= s[0]); =20 return 0; } @@ -1311,6 +1307,8 @@ static int rcar_drif_sdr_probe(struct rcar_drif_sdr *= sdr) /* Init videobuf2 queue structure */ sdr->vb_queue.type =3D V4L2_BUF_TYPE_SDR_CAPTURE; sdr->vb_queue.io_modes =3D VB2_READ | VB2_MMAP | VB2_DMABUF; + /* Need at least 16 buffers */ + sdr->vb_queue.min_buffers_needed =3D 16; sdr->vb_queue.drv_priv =3D sdr; sdr->vb_queue.buf_struct_size =3D sizeof(struct rcar_drif_frame_buf); sdr->vb_queue.ops =3D &rcar_drif_vb2_ops; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F66AE784AC for ; Mon, 2 Oct 2023 12:08:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237129AbjJBMIR (ORCPT ); Mon, 2 Oct 2023 08:08:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39480 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237090AbjJBMG7 (ORCPT ); Mon, 2 Oct 2023 08:06:59 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BABC8F0; Mon, 2 Oct 2023 05:06:44 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 2BE926607370; Mon, 2 Oct 2023 13:06:43 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248403; bh=c7kOTl+JvLUci3Ybxp5I5uKTMKcI7MOYLdh4Vrq/z0g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OqQZxAT2LVLAeYL7eD5YA4yi8beiRC+4tzCcRUVjLzDntG5YUk5tqsDEr6BLF3PnY yR4Le+RHAkhUioczN5CSMpRFW3Pf1wV18AwCBSCsaNwoLJ4AuYkA2213vzH3iyrzfr vdh/X53Hthpu28asm/Gzec+nFZTD3tbJkGO3rBGWcx4bK3CFyAeSrC8tki/Cz6fqYj k1NcWYItpEG+yqf7VBcA8fjeJwtK/mjnwevFP4ltuhdRf1fKgSnpbmOoscXfsmcc4e tt5yJd8Ma+kLhTY0P6qksrg7UFC9WVLER6t7t0WtuFJYG4pmvesIYXFf3TJO8qWvwb CNfBqfYQMFSzw== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 35/53] media: ti: Use queue min_buffers_needed field to set the min number of buffers Date: Mon, 2 Oct 2023 14:05:59 +0200 Message-Id: <20231002120617.119602-36-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" When queue min_buffers_needed field is correctly set vb2 queue_setup() does take care of it and we can remove the checks from drivers. Signed-off-by: Benjamin Gaignard --- drivers/media/platform/ti/am437x/am437x-vpfe.c | 7 ++----- drivers/media/platform/ti/cal/cal-video.c | 5 +---- drivers/media/platform/ti/davinci/vpif_capture.c | 5 +---- drivers/media/platform/ti/davinci/vpif_display.c | 5 +---- drivers/media/platform/ti/omap/omap_vout.c | 5 +++-- 5 files changed, 8 insertions(+), 19 deletions(-) diff --git a/drivers/media/platform/ti/am437x/am437x-vpfe.c b/drivers/media= /platform/ti/am437x/am437x-vpfe.c index 63092013d476..a12c93f8b40e 100644 --- a/drivers/media/platform/ti/am437x/am437x-vpfe.c +++ b/drivers/media/platform/ti/am437x/am437x-vpfe.c @@ -1776,9 +1776,6 @@ static int vpfe_queue_setup(struct vb2_queue *vq, struct vpfe_device *vpfe =3D vb2_get_drv_priv(vq); unsigned size =3D vpfe->fmt.fmt.pix.sizeimage; =20 - if (vq->num_buffers + *nbuffers < 3) - *nbuffers =3D 3 - vq->num_buffers; - if (*nplanes) { if (sizes[0] < size) return -EINVAL; @@ -1789,7 +1786,7 @@ static int vpfe_queue_setup(struct vb2_queue *vq, sizes[0] =3D size; =20 vpfe_dbg(1, vpfe, - "nbuffers=3D%d, size=3D%u\n", *nbuffers, sizes[0]); + "nbuffers=3D%u, size=3D%u\n", vb2_get_num_buffers(vq), sizes[0]); =20 /* Calculate field offset */ vpfe_calculate_offsets(vpfe); @@ -2237,7 +2234,7 @@ static int vpfe_probe_complete(struct vpfe_device *vp= fe) q->buf_struct_size =3D sizeof(struct vpfe_cap_buffer); q->timestamp_flags =3D V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; q->lock =3D &vpfe->lock; - q->min_buffers_needed =3D 1; + q->min_buffers_needed =3D 3; q->dev =3D vpfe->pdev; =20 err =3D vb2_queue_init(q); diff --git a/drivers/media/platform/ti/cal/cal-video.c b/drivers/media/plat= form/ti/cal/cal-video.c index a8abcd0fee17..924465b37e5f 100644 --- a/drivers/media/platform/ti/cal/cal-video.c +++ b/drivers/media/platform/ti/cal/cal-video.c @@ -604,9 +604,6 @@ static int cal_queue_setup(struct vb2_queue *vq, struct cal_ctx *ctx =3D vb2_get_drv_priv(vq); unsigned int size =3D ctx->v_fmt.fmt.pix.sizeimage; =20 - if (vq->num_buffers + *nbuffers < 3) - *nbuffers =3D 3 - vq->num_buffers; - if (*nplanes) { if (sizes[0] < size) return -EINVAL; @@ -616,7 +613,7 @@ static int cal_queue_setup(struct vb2_queue *vq, *nplanes =3D 1; sizes[0] =3D size; =20 - ctx_dbg(3, ctx, "nbuffers=3D%d, size=3D%d\n", *nbuffers, sizes[0]); + ctx_dbg(3, ctx, "nbuffers=3D%d, size=3D%d\n", vb2_get_num_buffers(vq), si= zes[0]); =20 return 0; } diff --git a/drivers/media/platform/ti/davinci/vpif_capture.c b/drivers/med= ia/platform/ti/davinci/vpif_capture.c index 99fae8830c41..8a4cc62cf562 100644 --- a/drivers/media/platform/ti/davinci/vpif_capture.c +++ b/drivers/media/platform/ti/davinci/vpif_capture.c @@ -122,9 +122,6 @@ static int vpif_buffer_queue_setup(struct vb2_queue *vq, size =3D sizes[0]; } =20 - if (vq->num_buffers + *nbuffers < 3) - *nbuffers =3D 3 - vq->num_buffers; - *nplanes =3D 1; sizes[0] =3D size; =20 @@ -1428,7 +1425,7 @@ static int vpif_probe_complete(void) q->mem_ops =3D &vb2_dma_contig_memops; q->buf_struct_size =3D sizeof(struct vpif_cap_buffer); q->timestamp_flags =3D V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - q->min_buffers_needed =3D 1; + q->min_buffers_needed =3D 3; q->lock =3D &common->lock; q->dev =3D vpif_dev; =20 diff --git a/drivers/media/platform/ti/davinci/vpif_display.c b/drivers/med= ia/platform/ti/davinci/vpif_display.c index f8ec2991c667..6fc32314cf9c 100644 --- a/drivers/media/platform/ti/davinci/vpif_display.c +++ b/drivers/media/platform/ti/davinci/vpif_display.c @@ -122,9 +122,6 @@ static int vpif_buffer_queue_setup(struct vb2_queue *vq, size =3D sizes[0]; } =20 - if (vq->num_buffers + *nbuffers < 3) - *nbuffers =3D 3 - vq->num_buffers; - *nplanes =3D 1; sizes[0] =3D size; =20 @@ -1168,7 +1165,7 @@ static int vpif_probe_complete(void) q->mem_ops =3D &vb2_dma_contig_memops; q->buf_struct_size =3D sizeof(struct vpif_disp_buffer); q->timestamp_flags =3D V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - q->min_buffers_needed =3D 1; + q->min_buffers_needed =3D 3; q->lock =3D &common->lock; q->dev =3D vpif_dev; err =3D vb2_queue_init(q); diff --git a/drivers/media/platform/ti/omap/omap_vout.c b/drivers/media/pla= tform/ti/omap/omap_vout.c index 4143274089c3..72ce903717d3 100644 --- a/drivers/media/platform/ti/omap/omap_vout.c +++ b/drivers/media/platform/ti/omap/omap_vout.c @@ -944,10 +944,11 @@ static int omap_vout_vb2_queue_setup(struct vb2_queue= *vq, struct device *alloc_devs[]) { struct omap_vout_device *vout =3D vb2_get_drv_priv(vq); + unsigned int q_num_bufs =3D vb2_get_num_buffers(vq); int size =3D vout->pix.sizeimage; =20 - if (is_rotation_enabled(vout) && vq->num_buffers + *nbufs > VRFB_NUM_BUFS= ) { - *nbufs =3D VRFB_NUM_BUFS - vq->num_buffers; + if (is_rotation_enabled(vout) && q_num_bufs + *nbufs > VRFB_NUM_BUFS) { + *nbufs =3D VRFB_NUM_BUFS - q_num_bufs; if (*nbufs =3D=3D 0) return -EINVAL; } --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7CEBFE7849A for ; Mon, 2 Oct 2023 12:08:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237331AbjJBMIP (ORCPT ); Mon, 2 Oct 2023 08:08:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39504 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237096AbjJBMHA (ORCPT ); Mon, 2 Oct 2023 08:07:00 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 530F9F2; Mon, 2 Oct 2023 05:06:45 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id B35156607374; Mon, 2 Oct 2023 13:06:43 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248404; bh=hAbr7z4revo9i94sQ1qcafGVppd4XuiTYcxBFLeASkQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cq5re4bqZqtCtZuhkmY933bx+yZBcmuhG96AbTv11ItDXbF89IsQ7+4u1AKuwyAqL NMK88hPP2t/+HV33oNcIOOLwuZmpZnWuZtR9EQ35ZhaCT0TPnSatJQ5QP7YYlxPxrw hTeWavoQTP8ta9t4BbAKuwtgOO7k/XIFUwUv15nN0q9a2sH4beUm9A302kjnDMKTR0 Ij3SyL/e4UneZWxOhLfxCtXmyRwKia2mrAiGUov2XnZzNrBq08oHBmWv5FXX/esszs KPCV6ZCwOA3Us1Mr7p8crSpDbpGFpaOLLQXkQFX59OvSQJRENafZEIlnMiU5Arq/OY Z7STSzvrnZsbA== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 36/53] media: verisilicon: Stop direct calls to queue num_buffers field Date: Mon, 2 Oct 2023 14:06:00 +0200 Message-Id: <20231002120617.119602-37-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_num_buffers() to avoid using queue num_buffer field directly. Signed-off-by: Benjamin Gaignard --- drivers/media/platform/verisilicon/hantro_postproc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/verisilicon/hantro_postproc.c b/drivers= /media/platform/verisilicon/hantro_postproc.c index 20e8f04a3bef..1f5f1aabf406 100644 --- a/drivers/media/platform/verisilicon/hantro_postproc.c +++ b/drivers/media/platform/verisilicon/hantro_postproc.c @@ -250,7 +250,7 @@ int hantro_postproc_init(struct hantro_ctx *ctx) { struct v4l2_m2m_ctx *m2m_ctx =3D ctx->fh.m2m_ctx; struct vb2_queue *cap_queue =3D &m2m_ctx->cap_q_ctx.q; - unsigned int num_buffers =3D cap_queue->num_buffers; + unsigned int num_buffers =3D vb2_get_num_buffers(cap_queue); unsigned int i; int ret; =20 --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3E47E7849A for ; Mon, 2 Oct 2023 12:08:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237244AbjJBMIY (ORCPT ); Mon, 2 Oct 2023 08:08:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39550 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237102AbjJBMHA (ORCPT ); Mon, 2 Oct 2023 08:07:00 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB888FE; Mon, 2 Oct 2023 05:06:45 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 4A00F6607376; Mon, 2 Oct 2023 13:06:44 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248404; bh=rHRsY4Ykk7DeFM5FncUlUgp6Bdha+CYxFon6BrOIBTM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=T/VDJNA4p3SA13T0mooBjaFvGS3x3DP81POm+2B9XtOc+WNYlLRcIXqZsTPJ9knWE Ao35AZVc1wuGtregKrpbE3BmBFWvbFvZtvoOIETQGBeJAnSDxqRwqpr6pNUnertQRR EMdZNCEyodzqY0GQrm6fFjQOnb/ndudvkZ1khlFyoU1DypIjOgU2Zsm9qQ50Md0VzW iq70TbuiomNNtjMJDqdBPP9LFNGKP9N9eCHPCqEXSfu6ImfSKHhIXNBM/kRv8slv85 4adBIBOWeyjUuVGWopjLCneJ76Ucw8TADK7RKN+ij/ZExEjAXPskp83lKjoqbsE6T0 7dtRknuYsvZQQ== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 37/53] media: test-drivers: Stop direct calls to queue num_buffers field Date: Mon, 2 Oct 2023 14:06:01 +0200 Message-Id: <20231002120617.119602-38-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_num_buffers() to avoid using queue num_buffer field directly. If min_buffers_needed is set remove useless checks. Signed-off-by: Benjamin Gaignard --- drivers/media/test-drivers/visl/visl-dec.c | 4 ++-- drivers/media/test-drivers/vivid/vivid-meta-cap.c | 3 --- drivers/media/test-drivers/vivid/vivid-meta-out.c | 5 +++-- drivers/media/test-drivers/vivid/vivid-touch-cap.c | 5 +++-- drivers/media/test-drivers/vivid/vivid-vbi-cap.c | 5 +++-- drivers/media/test-drivers/vivid/vivid-vbi-out.c | 5 +++-- drivers/media/test-drivers/vivid/vivid-vid-cap.c | 5 +++-- drivers/media/test-drivers/vivid/vivid-vid-out.c | 5 +---- 8 files changed, 18 insertions(+), 19 deletions(-) diff --git a/drivers/media/test-drivers/visl/visl-dec.c b/drivers/media/tes= t-drivers/visl/visl-dec.c index ba20ea998d19..7aa70da72b97 100644 --- a/drivers/media/test-drivers/visl/visl-dec.c +++ b/drivers/media/test-drivers/visl/visl-dec.c @@ -287,7 +287,7 @@ static void visl_tpg_fill(struct visl_ctx *ctx, struct = visl_run *run) frame_dprintk(ctx->dev, run->dst->sequence, "%s\n", buf); =20 len =3D 0; - for (i =3D 0; i < out_q->num_buffers; i++) { + for (i =3D 0; i < out_q->max_num_buffers; i++) { char entry[] =3D "index: %u, state: %s, request_fd: %d, "; u32 old_len =3D len; struct vb2_buffer *vb2; @@ -347,7 +347,7 @@ static void visl_tpg_fill(struct visl_ctx *ctx, struct = visl_run *run) frame_dprintk(ctx->dev, run->dst->sequence, "%s\n", buf); =20 len =3D 0; - for (i =3D 0; i < cap_q->num_buffers; i++) { + for (i =3D 0; i < cap_q->max_num_buffers; i++) { u32 old_len =3D len; struct vb2_buffer *vb2; char *q_status; diff --git a/drivers/media/test-drivers/vivid/vivid-meta-cap.c b/drivers/me= dia/test-drivers/vivid/vivid-meta-cap.c index 780f96860a6d..0a718d037e59 100644 --- a/drivers/media/test-drivers/vivid/vivid-meta-cap.c +++ b/drivers/media/test-drivers/vivid/vivid-meta-cap.c @@ -30,9 +30,6 @@ static int meta_cap_queue_setup(struct vb2_queue *vq, uns= igned int *nbuffers, sizes[0] =3D size; } =20 - if (vq->num_buffers + *nbuffers < 2) - *nbuffers =3D 2 - vq->num_buffers; - *nplanes =3D 1; return 0; } diff --git a/drivers/media/test-drivers/vivid/vivid-meta-out.c b/drivers/me= dia/test-drivers/vivid/vivid-meta-out.c index 95835b52b58f..4a569a6e58be 100644 --- a/drivers/media/test-drivers/vivid/vivid-meta-out.c +++ b/drivers/media/test-drivers/vivid/vivid-meta-out.c @@ -18,6 +18,7 @@ static int meta_out_queue_setup(struct vb2_queue *vq, uns= igned int *nbuffers, struct device *alloc_devs[]) { struct vivid_dev *dev =3D vb2_get_drv_priv(vq); + unsigned int q_num_bufs =3D vb2_get_num_buffers(vq); unsigned int size =3D sizeof(struct vivid_meta_out_buf); =20 if (!vivid_is_webcam(dev)) @@ -30,8 +31,8 @@ static int meta_out_queue_setup(struct vb2_queue *vq, uns= igned int *nbuffers, sizes[0] =3D size; } =20 - if (vq->num_buffers + *nbuffers < 2) - *nbuffers =3D 2 - vq->num_buffers; + if (q_num_bufs + *nbuffers < 2) + *nbuffers =3D 2 - q_num_bufs; =20 *nplanes =3D 1; return 0; diff --git a/drivers/media/test-drivers/vivid/vivid-touch-cap.c b/drivers/m= edia/test-drivers/vivid/vivid-touch-cap.c index c7f6e23df51e..4b3c6ea0afde 100644 --- a/drivers/media/test-drivers/vivid/vivid-touch-cap.c +++ b/drivers/media/test-drivers/vivid/vivid-touch-cap.c @@ -13,6 +13,7 @@ static int touch_cap_queue_setup(struct vb2_queue *vq, un= signed int *nbuffers, struct device *alloc_devs[]) { struct vivid_dev *dev =3D vb2_get_drv_priv(vq); + unsigned int q_num_bufs =3D vb2_get_num_buffers(vq); struct v4l2_pix_format *f =3D &dev->tch_format; unsigned int size =3D f->sizeimage; =20 @@ -23,8 +24,8 @@ static int touch_cap_queue_setup(struct vb2_queue *vq, un= signed int *nbuffers, sizes[0] =3D size; } =20 - if (vq->num_buffers + *nbuffers < 2) - *nbuffers =3D 2 - vq->num_buffers; + if (q_num_bufs + *nbuffers < 2) + *nbuffers =3D 2 - q_num_bufs; =20 *nplanes =3D 1; return 0; diff --git a/drivers/media/test-drivers/vivid/vivid-vbi-cap.c b/drivers/med= ia/test-drivers/vivid/vivid-vbi-cap.c index b65b02eeeb97..fcd7f40385e9 100644 --- a/drivers/media/test-drivers/vivid/vivid-vbi-cap.c +++ b/drivers/media/test-drivers/vivid/vivid-vbi-cap.c @@ -124,6 +124,7 @@ static int vbi_cap_queue_setup(struct vb2_queue *vq, unsigned sizes[], struct device *alloc_devs[]) { struct vivid_dev *dev =3D vb2_get_drv_priv(vq); + unsigned int q_num_bufs =3D vb2_get_num_buffers(vq); bool is_60hz =3D dev->std_cap[dev->input] & V4L2_STD_525_60; unsigned size =3D vq->type =3D=3D V4L2_BUF_TYPE_SLICED_VBI_CAPTURE ? 36 * sizeof(struct v4l2_sliced_vbi_data) : @@ -134,8 +135,8 @@ static int vbi_cap_queue_setup(struct vb2_queue *vq, =20 sizes[0] =3D size; =20 - if (vq->num_buffers + *nbuffers < 2) - *nbuffers =3D 2 - vq->num_buffers; + if (q_num_bufs + *nbuffers < 2) + *nbuffers =3D 2 - q_num_bufs; =20 *nplanes =3D 1; return 0; diff --git a/drivers/media/test-drivers/vivid/vivid-vbi-out.c b/drivers/med= ia/test-drivers/vivid/vivid-vbi-out.c index cd56476902a2..8f0da5d88bcc 100644 --- a/drivers/media/test-drivers/vivid/vivid-vbi-out.c +++ b/drivers/media/test-drivers/vivid/vivid-vbi-out.c @@ -20,6 +20,7 @@ static int vbi_out_queue_setup(struct vb2_queue *vq, unsigned sizes[], struct device *alloc_devs[]) { struct vivid_dev *dev =3D vb2_get_drv_priv(vq); + unsigned int q_num_bufs =3D vb2_get_num_buffers(vq); bool is_60hz =3D dev->std_out & V4L2_STD_525_60; unsigned size =3D vq->type =3D=3D V4L2_BUF_TYPE_SLICED_VBI_OUTPUT ? 36 * sizeof(struct v4l2_sliced_vbi_data) : @@ -30,8 +31,8 @@ static int vbi_out_queue_setup(struct vb2_queue *vq, =20 sizes[0] =3D size; =20 - if (vq->num_buffers + *nbuffers < 2) - *nbuffers =3D 2 - vq->num_buffers; + if (q_num_bufs + *nbuffers < 2) + *nbuffers =3D 2 - q_num_bufs; =20 *nplanes =3D 1; return 0; diff --git a/drivers/media/test-drivers/vivid/vivid-vid-cap.c b/drivers/med= ia/test-drivers/vivid/vivid-vid-cap.c index 3a06df35a2d7..0cc7602b9fb2 100644 --- a/drivers/media/test-drivers/vivid/vivid-vid-cap.c +++ b/drivers/media/test-drivers/vivid/vivid-vid-cap.c @@ -77,6 +77,7 @@ static int vid_cap_queue_setup(struct vb2_queue *vq, unsigned sizes[], struct device *alloc_devs[]) { struct vivid_dev *dev =3D vb2_get_drv_priv(vq); + unsigned int q_num_bufs =3D vb2_get_num_buffers(vq); unsigned buffers =3D tpg_g_buffers(&dev->tpg); unsigned h =3D dev->fmt_cap_rect.height; unsigned p; @@ -117,8 +118,8 @@ static int vid_cap_queue_setup(struct vb2_queue *vq, dev->fmt_cap->data_offset[p]; } =20 - if (vq->num_buffers + *nbuffers < 2) - *nbuffers =3D 2 - vq->num_buffers; + if (q_num_bufs + *nbuffers < 2) + *nbuffers =3D 2 - q_num_bufs; =20 *nplanes =3D buffers; =20 diff --git a/drivers/media/test-drivers/vivid/vivid-vid-out.c b/drivers/med= ia/test-drivers/vivid/vivid-vid-out.c index 184a6df2c29f..24c6dc896255 100644 --- a/drivers/media/test-drivers/vivid/vivid-vid-out.c +++ b/drivers/media/test-drivers/vivid/vivid-vid-out.c @@ -73,12 +73,9 @@ static int vid_out_queue_setup(struct vb2_queue *vq, vfmt->data_offset[p] : size; } =20 - if (vq->num_buffers + *nbuffers < 2) - *nbuffers =3D 2 - vq->num_buffers; - *nplanes =3D planes; =20 - dprintk(dev, 1, "%s: count=3D%d\n", __func__, *nbuffers); + dprintk(dev, 1, "%s: count=3D%u\n", __func__, vb2_get_num_buffers(vq)); for (p =3D 0; p < planes; p++) dprintk(dev, 1, "%s: size[%u]=3D%u\n", __func__, p, sizes[p]); return 0; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7695E7849A for ; Mon, 2 Oct 2023 12:08:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237411AbjJBMIb (ORCPT ); Mon, 2 Oct 2023 08:08:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237099AbjJBMHA (ORCPT ); Mon, 2 Oct 2023 08:07:00 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7201D101; Mon, 2 Oct 2023 05:06:46 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id CC2866607379; Mon, 2 Oct 2023 13:06:44 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248405; bh=ipUXv7UJIHHhxRMQZmIK4W+snIi8YRwkVW1/aAA+P6g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TLLGMIv5jfgGYeraENvYuKEsuV7BhSqQ+vv2GURiG0nM3bnDSx6sAz30ndk2EIitN POT39tISSRE0F8qkpmfZdVI/dBH3ObYr+00M6qZhVKQJjoCSYOHCWRRBEYZ5NJQo9I jZDHYk7TLO3r3WsVUTRlQIH9KVeTk4S/uyn7B/rJhfl2j4+CNEOuC7fTPgbUBeSRo6 PGcPjlRTOcH8KnIXziC4RyYit3Og6qZXN7SHFZWqIm78flLsD7210UkJb1rmVQq68M Mit3g76oU5aFaR+Dl5gkgjZxjTCM0iIIyS+B0z5gGUfruolt1QOtcBVZMUQRGBgzXq kJ5Eau2J2G9nQ== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 38/53] media: usb: airspy: Set min_buffers_needed to 8 Date: Mon, 2 Oct 2023 14:06:02 +0200 Message-Id: <20231002120617.119602-39-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" vb2 queue_setup checks for a minimum number of buffers so set min_buffers_needed to 8 and remove the useless check in airspy_queue_setup(). Signed-off-by: Benjamin Gaignard --- drivers/media/usb/airspy/airspy.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/a= irspy.c index 462eb8423506..56bc1b23d39b 100644 --- a/drivers/media/usb/airspy/airspy.c +++ b/drivers/media/usb/airspy/airspy.c @@ -483,15 +483,10 @@ static int airspy_queue_setup(struct vb2_queue *vq, { struct airspy *s =3D vb2_get_drv_priv(vq); =20 - dev_dbg(s->dev, "nbuffers=3D%d\n", *nbuffers); - - /* Need at least 8 buffers */ - if (vq->num_buffers + *nbuffers < 8) - *nbuffers =3D 8 - vq->num_buffers; *nplanes =3D 1; sizes[0] =3D PAGE_ALIGN(s->buffersize); =20 - dev_dbg(s->dev, "nbuffers=3D%d sizes[0]=3D%d\n", *nbuffers, sizes[0]); + dev_dbg(s->dev, "nbuffers=3D%d sizes[0]=3D%d\n", vb2_get_num_buffers(vq),= sizes[0]); return 0; } =20 @@ -1011,6 +1006,8 @@ static int airspy_probe(struct usb_interface *intf, /* Init videobuf2 queue structure */ s->vb_queue.type =3D V4L2_BUF_TYPE_SDR_CAPTURE; s->vb_queue.io_modes =3D VB2_MMAP | VB2_USERPTR | VB2_READ; + /* Need at least 8 buffers */ + s->vb_queue.min_buffers_needed =3D 8; s->vb_queue.drv_priv =3D s; s->vb_queue.buf_struct_size =3D sizeof(struct airspy_frame_buf); s->vb_queue.ops =3D &airspy_vb2_ops; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2353FE784AD for ; Mon, 2 Oct 2023 12:08:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237251AbjJBMI0 (ORCPT ); Mon, 2 Oct 2023 08:08:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237104AbjJBMHA (ORCPT ); Mon, 2 Oct 2023 08:07:00 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED1C410B; Mon, 2 Oct 2023 05:06:46 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 5E8DB660737B; Mon, 2 Oct 2023 13:06:45 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248405; bh=fi+Fxcs6m07q1y5Umer9Ad8BDnSh9/sSAfF+r67YVOU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YNtrc/14ePLbzUGNjTop8fqP2YK1vdXo9H5GauskSor4l7g+N3LiRTM1tc95B3/+8 3LFN+DXqbzYqZnSDl9YwCr0fsCuXxwh5g+xuuRzo0BJ5iPPHSaca8T3isV8tAFLKa4 6G9EYstq2tNdnKfWQj+MgVC1uTpXBBrzpvwhkIyh+5eZgGut8jrjD5cIK3qAeqxaRA 4jRFcLcsdQ2hKd2CdaP5dWzoroHT9aGvg2DotTgu5waQGrmY/1n7UmPe3KFO9M4YsL aSTT3R9iuGvS/gZkDlZJmtiE33sOQs9IFxyamacimTwp2TNRN4Hj3cx4BxLUh59Nhc FhK8tnZxrPQ/A== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 39/53] media: usb: cx231xx: Set min_buffers_needed to CX231XX_MIN_BUF Date: Mon, 2 Oct 2023 14:06:03 +0200 Message-Id: <20231002120617.119602-40-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" vb2 queue_setup checks for a minimum number of buffers so set min_buffers_needed to aCX231XX_MIN_BUFnd remove the useless check in cx231xx queue_setup(). Signed-off-by: Benjamin Gaignard --- drivers/media/usb/cx231xx/cx231xx-417.c | 4 +--- drivers/media/usb/cx231xx/cx231xx-video.c | 4 +--- 2 files changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/media/usb/cx231xx/cx231xx-417.c b/drivers/media/usb/cx= 231xx/cx231xx-417.c index c5e21785fafe..fecdb12f5ef7 100644 --- a/drivers/media/usb/cx231xx/cx231xx-417.c +++ b/drivers/media/usb/cx231xx/cx231xx-417.c @@ -1223,9 +1223,6 @@ static int queue_setup(struct vb2_queue *vq, dev->ts1.ts_packet_size =3D mpeglinesize; dev->ts1.ts_packet_count =3D mpeglines; =20 - if (vq->num_buffers + *nbuffers < CX231XX_MIN_BUF) - *nbuffers =3D CX231XX_MIN_BUF - vq->num_buffers; - if (*nplanes) return sizes[0] < size ? -EINVAL : 0; *nplanes =3D 1; @@ -1777,6 +1774,7 @@ int cx231xx_417_register(struct cx231xx *dev) q =3D &dev->mpegq; q->type =3D V4L2_BUF_TYPE_VIDEO_CAPTURE; q->io_modes =3D VB2_USERPTR | VB2_MMAP | VB2_DMABUF | VB2_READ; + q->min_buffers_needed =3D CX231XX_MIN_BUF; q->drv_priv =3D dev; q->buf_struct_size =3D sizeof(struct cx231xx_buffer); q->ops =3D &cx231xx_video_qops; diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/= cx231xx/cx231xx-video.c index e23b8ccd79d4..26b593844157 100644 --- a/drivers/media/usb/cx231xx/cx231xx-video.c +++ b/drivers/media/usb/cx231xx/cx231xx-video.c @@ -717,9 +717,6 @@ static int queue_setup(struct vb2_queue *vq, =20 dev->size =3D (dev->width * dev->height * dev->format->depth + 7) >> 3; =20 - if (vq->num_buffers + *nbuffers < CX231XX_MIN_BUF) - *nbuffers =3D CX231XX_MIN_BUF - vq->num_buffers; - if (*nplanes) return sizes[0] < dev->size ? -EINVAL : 0; *nplanes =3D 1; @@ -1805,6 +1802,7 @@ int cx231xx_register_analog_devices(struct cx231xx *d= ev) q =3D &dev->vidq; q->type =3D V4L2_BUF_TYPE_VIDEO_CAPTURE; q->io_modes =3D VB2_USERPTR | VB2_MMAP | VB2_DMABUF | VB2_READ; + q->min_buffers_needed =3D CX231XX_MIN_BUF; q->drv_priv =3D dev; q->buf_struct_size =3D sizeof(struct cx231xx_buffer); q->ops =3D &cx231xx_video_qops; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6A0B2E7849A for ; Mon, 2 Oct 2023 12:08:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237375AbjJBMI2 (ORCPT ); Mon, 2 Oct 2023 08:08:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52926 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237103AbjJBMHA (ORCPT ); Mon, 2 Oct 2023 08:07:00 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7AB89112; Mon, 2 Oct 2023 05:06:47 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id E4D74660737E; Mon, 2 Oct 2023 13:06:45 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248406; bh=pDUB2yjXKjklQT9CTDtddlAytBql2bguZ0k3zUQQEeE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RnjEUJyddo5VrJFi2vWLyHFmZGfKm/tnO6GnugElMcm/bv+0fgbkGVBYnveuqwsnb MgnAeH2ltrrQkSodmx4Z+VBESXrJG3OMZn2Qit/3JAkjz/uzD6tzoOA4FQ3hD/ZwOH eVI1ZGf72788fO9f6YZgei46ca8lJC+B2l2meLvCG0bOGBRhwTAX+AV1mcudwLeXss V6ed/8sCegF3NzGvwff4aIwMHUAKSofoteXYVbnZkS8ggfU/RpzKEynyc3oqIZbGII wFPFo55UFUJJyUtMwkeBPRDprmV7trcedGbXz65qWb8JvaU4N7891zTK3Dm8wYi5A3 LEHmN03tyex4Q== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 40/53] media: usb: hackrf: Set min_buffers_needed to 8 Date: Mon, 2 Oct 2023 14:06:04 +0200 Message-Id: <20231002120617.119602-41-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" vb2 queue_setup checks for a minimum number of buffers so set min_buffers_needed to 8 and remove the useless check in hackrf_queue_setup(). Signed-off-by: Benjamin Gaignard --- drivers/media/usb/hackrf/hackrf.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/h= ackrf.c index 3e535be2c520..2e856b20aa21 100644 --- a/drivers/media/usb/hackrf/hackrf.c +++ b/drivers/media/usb/hackrf/hackrf.c @@ -754,15 +754,10 @@ static int hackrf_queue_setup(struct vb2_queue *vq, { struct hackrf_dev *dev =3D vb2_get_drv_priv(vq); =20 - dev_dbg(dev->dev, "nbuffers=3D%d\n", *nbuffers); - - /* Need at least 8 buffers */ - if (vq->num_buffers + *nbuffers < 8) - *nbuffers =3D 8 - vq->num_buffers; *nplanes =3D 1; sizes[0] =3D PAGE_ALIGN(dev->buffersize); =20 - dev_dbg(dev->dev, "nbuffers=3D%d sizes[0]=3D%d\n", *nbuffers, sizes[0]); + dev_dbg(dev->dev, "nbuffers=3D%u sizes[0]=3D%d\n", vb2_get_num_buffers(vq= ), sizes[0]); return 0; } =20 @@ -1392,6 +1387,8 @@ static int hackrf_probe(struct usb_interface *intf, dev->rx_vb2_queue.type =3D V4L2_BUF_TYPE_SDR_CAPTURE; dev->rx_vb2_queue.io_modes =3D VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; + /* Need at least 8 buffers */ + dev->rx_vb2_queue.min_buffers_needed =3D 8; dev->rx_vb2_queue.ops =3D &hackrf_vb2_ops; dev->rx_vb2_queue.mem_ops =3D &vb2_vmalloc_memops; dev->rx_vb2_queue.drv_priv =3D dev; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC66FE784AD for ; Mon, 2 Oct 2023 12:08:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237077AbjJBMIk (ORCPT ); Mon, 2 Oct 2023 08:08:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52992 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237121AbjJBMHA (ORCPT ); Mon, 2 Oct 2023 08:07:00 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3D7BF11F; Mon, 2 Oct 2023 05:06:48 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 724486607359; Mon, 2 Oct 2023 13:06:46 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248406; bh=nwepyznt8z6pxABzkpFHR6clGV59kYVToyX8aj6cN+w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XWIVFqhWOpa4B7VDWOVRJGz3fA17ClvB9LjIPQwm/0c8Kl9uyMI0ppriwDG9c22MR FOI5dyNd7BekgAMf8F0Q4+jbg0QEodgR3S96WKOLELLdWNlrf2EdSjVfqLGWlWWETw og7iUoEvuPrma5iT45XjpFobPF1YQPlx2710pE0Ho5SDD09tEYnW3JvI7cnVCIDbI+ y0gPcM4UR/uN3rwrDM928sxDIl++K9qR5tOnESOFRg7sT7E8AA1XqOuPZ3JymIb9hg skTIYPbhzLEas0808uc5H0Pc5vCTZWZyMxUxvj6ZOZsA/Zneo/ko3gD5fBMvnmPQL+ uhQlrYixtszvQ== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 41/53] media: usb: usbtv: Set min_buffers_needed to 2 Date: Mon, 2 Oct 2023 14:06:05 +0200 Message-Id: <20231002120617.119602-42-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" vb2 queue_setup checks for a minimum number of buffers so set min_buffers_needed to 2 and remove the useless check in usbtv_queue_setup(). Signed-off-by: Benjamin Gaignard --- drivers/media/usb/usbtv/usbtv-video.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/media/usb/usbtv/usbtv-video.c b/drivers/media/usb/usbt= v/usbtv-video.c index 1e30e05953dc..0e9e860be47f 100644 --- a/drivers/media/usb/usbtv/usbtv-video.c +++ b/drivers/media/usb/usbtv/usbtv-video.c @@ -727,8 +727,6 @@ static int usbtv_queue_setup(struct vb2_queue *vq, struct usbtv *usbtv =3D vb2_get_drv_priv(vq); unsigned size =3D USBTV_CHUNK * usbtv->n_chunks * 2 * sizeof(u32); =20 - if (vq->num_buffers + *nbuffers < 2) - *nbuffers =3D 2 - vq->num_buffers; if (*nplanes) return sizes[0] < size ? -EINVAL : 0; *nplanes =3D 1; @@ -892,6 +890,7 @@ int usbtv_video_init(struct usbtv *usbtv) /* videobuf2 structure */ usbtv->vb2q.type =3D V4L2_BUF_TYPE_VIDEO_CAPTURE; usbtv->vb2q.io_modes =3D VB2_MMAP | VB2_USERPTR | VB2_READ; + usbtv->vb2q.min_buffers_needed =3D 2; usbtv->vb2q.drv_priv =3D usbtv; usbtv->vb2q.buf_struct_size =3D sizeof(struct usbtv_buf); usbtv->vb2q.ops =3D &usbtv_vb2_ops; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8D7E8E784B5 for ; Mon, 2 Oct 2023 12:08:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237427AbjJBMIi (ORCPT ); Mon, 2 Oct 2023 08:08:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52974 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237120AbjJBMHA (ORCPT ); Mon, 2 Oct 2023 08:07:00 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 983E9136; Mon, 2 Oct 2023 05:06:48 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id F1EAA6607381; Mon, 2 Oct 2023 13:06:46 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248407; bh=g+cKvL+57Ge4BbEO/J6pfXbFnIiiN4vCjyxapf5D6Zg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eQHuKCA3Xp8gjVQseFQD8UEiSrYFCBmOghamozW4V7vqv8PW1+ELxXEyJjrLD7yPM v4147Dxr1grPRsoWHy8CZ0aOWhsYs4ITpfKs1+c/Je/OfeV/t2bAY8QrodHwjsNS7G wNAoL9efYHIFzSGRg0FCWD7DuzpBpvktlJhIBnKO21OHWtDaKd1+oXvJXAM+QcoPIv hq1w9l1ziKj59L84bOKMzs2p+YlkxMgR5f3wXXP3mzl1Qfiovfm8AOD6N42wMTSDY6 oz6r616/uqrT5kF37Z+BZe+i40O9Xffq5pIB33cf+GPWlY+g6oET09/U+cVrE1NmEz MxkN2ZxnguNdA== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 42/53] media: atomisp: Stop direct calls to queue num_buffers field Date: Mon, 2 Oct 2023 14:06:06 +0200 Message-Id: <20231002120617.119602-43-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_num_buffers() to avoid using queue num_buffer field directly. Signed-off-by: Benjamin Gaignard --- drivers/staging/media/atomisp/pci/atomisp_ioctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/st= aging/media/atomisp/pci/atomisp_ioctl.c index 4b65c69fa60d..48f9745421a9 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c +++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c @@ -1030,7 +1030,7 @@ static int atomisp_qbuf_wrapper(struct file *file, vo= id *fh, struct v4l2_buffer struct atomisp_device *isp =3D video_get_drvdata(vdev); struct atomisp_video_pipe *pipe =3D atomisp_to_video_pipe(vdev); =20 - if (buf->index >=3D vdev->queue->num_buffers) + if (buf->index >=3D vb2_get_num_buffers(vdev->queue)) return -EINVAL; =20 if (buf->reserved2 & ATOMISP_BUFFER_HAS_PER_FRAME_SETTING) { --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7F04E784AD for ; Mon, 2 Oct 2023 12:08:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237449AbjJBMIv (ORCPT ); Mon, 2 Oct 2023 08:08:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39480 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237127AbjJBMHB (ORCPT ); Mon, 2 Oct 2023 08:07:01 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4586B1A4; Mon, 2 Oct 2023 05:06:49 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 80BB96607386; Mon, 2 Oct 2023 13:06:47 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248407; bh=1yOSfZ9zOJdZRwLwPAMdW6zHS4PIxiSGQkrNrnzD9t8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kOHC9n8pCrXka4B7HnUEmfZqwqMvcLqclYQrBdV4RABTi2dCm9ModFK++aB/dXlvL 0qa/N/4yJToNLR04PQra5BNBgaI4TRXAvLFzmtLI2qGC562N4XRifkICGv9Tk5D7rp Sldospp3LLfEzZUt1zBq/y56GBmVlaZsnctEmIrZ+5FPGPZygXdbYsefvqXDsBi5Iw CWK8ebowzRtdfbbCeIeDCgC1Oiu0Ef5MG2nL6Ou4tM3Fp62ihpHTpy0M+OF/4PNpdq s9+wLCcs6c3jukkrZeeq6ibb4NsnG5mp30X9qIQz/hJvmb+jgp8QgRLclqCFiWV6DA jD9M0hrkV6J+g== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 43/53] media: imx: Stop direct calls to queue num_buffers field Date: Mon, 2 Oct 2023 14:06:07 +0200 Message-Id: <20231002120617.119602-44-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_num_buffers() to avoid using queue num_buffer field directly. Signed-off-by: Benjamin Gaignard --- drivers/staging/media/imx/imx-media-capture.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/staging/media/imx/imx-media-capture.c b/drivers/stagin= g/media/imx/imx-media-capture.c index 4846078315ff..ce02199e7b1b 100644 --- a/drivers/staging/media/imx/imx-media-capture.c +++ b/drivers/staging/media/imx/imx-media-capture.c @@ -605,6 +605,7 @@ static int capture_queue_setup(struct vb2_queue *vq, { struct capture_priv *priv =3D vb2_get_drv_priv(vq); struct v4l2_pix_format *pix =3D &priv->vdev.fmt; + unsigned int q_num_bufs =3D vb2_get_num_buffers(vq); unsigned int count =3D *nbuffers; =20 if (vq->type !=3D V4L2_BUF_TYPE_VIDEO_CAPTURE) @@ -613,14 +614,14 @@ static int capture_queue_setup(struct vb2_queue *vq, if (*nplanes) { if (*nplanes !=3D 1 || sizes[0] < pix->sizeimage) return -EINVAL; - count +=3D vq->num_buffers; + count +=3D q_num_bufs; } =20 count =3D min_t(__u32, VID_MEM_LIMIT / pix->sizeimage, count); =20 if (*nplanes) - *nbuffers =3D (count < vq->num_buffers) ? 0 : - count - vq->num_buffers; + *nbuffers =3D (count < q_num_bufs) ? 0 : + count - q_num_bufs; else *nbuffers =3D count; =20 --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F3F59E784AC for ; Mon, 2 Oct 2023 12:08:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237390AbjJBMIs (ORCPT ); Mon, 2 Oct 2023 08:08:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53016 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237133AbjJBMHB (ORCPT ); Mon, 2 Oct 2023 08:07:01 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 937291AB; Mon, 2 Oct 2023 05:06:49 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 0DDBC6607388; Mon, 2 Oct 2023 13:06:48 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248408; bh=qUxQMObFxpiy3pFolAat/Lsgv4wZ2hZHcdle7SRl8Pw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IwJTge2L/P3ziSGIw+PX0oIbrMWIxPy+E8aTlnT0qvTXj4YqMEmlusgGfo1c/z6i7 b68TcDJOpNETsBlXk7gBjmGUG8RYEzUuBYhAsK2zf6kBj9wupKxJL909RV1N5R9v4v QJKYuOmj8dqVwaJh9mNDP1pnG0ug3pOdF6yjkol8BnP0VRb9ORA4oXuWuSDCyjWSNR Lpo0tUXk11qclAvkvznzqieCY0MKqXfYjuP63YKZo/LlquSG1YUlWf+H6rCBNn30Q4 76bsu/FE2zo7df8BN+FWmPBxSHJJ72TGgLp9f3cuDryQUNxv7z2Wezbl8XdZXB1KSw p907xEV5uGRQQ== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 44/53] media: meson: vdec: Stop direct calls to queue num_buffers field Date: Mon, 2 Oct 2023 14:06:08 +0200 Message-Id: <20231002120617.119602-45-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_num_buffers() to avoid using queue num_buffer field directly. Signed-off-by: Benjamin Gaignard --- drivers/staging/media/meson/vdec/vdec.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/staging/media/meson/vdec/vdec.c b/drivers/staging/medi= a/meson/vdec/vdec.c index 219185aaa588..1e2369f104c8 100644 --- a/drivers/staging/media/meson/vdec/vdec.c +++ b/drivers/staging/media/meson/vdec/vdec.c @@ -167,22 +167,23 @@ static void process_num_buffers(struct vb2_queue *q, bool is_reqbufs) { const struct amvdec_format *fmt_out =3D sess->fmt_out; - unsigned int buffers_total =3D q->num_buffers + *num_buffers; + unsigned int q_num_bufs =3D vb2_get_num_buffers(q); + unsigned int buffers_total =3D q_num_bufs + *num_buffers; u32 min_buf_capture =3D v4l2_ctrl_g_ctrl(sess->ctrl_min_buf_capture); =20 - if (q->num_buffers + *num_buffers < min_buf_capture) - *num_buffers =3D min_buf_capture - q->num_buffers; + if (q_num_bufs + *num_buffers < min_buf_capture) + *num_buffers =3D min_buf_capture - q_num_bufs; if (is_reqbufs && buffers_total < fmt_out->min_buffers) - *num_buffers =3D fmt_out->min_buffers - q->num_buffers; + *num_buffers =3D fmt_out->min_buffers - q_num_bufs; if (buffers_total > fmt_out->max_buffers) - *num_buffers =3D fmt_out->max_buffers - q->num_buffers; + *num_buffers =3D fmt_out->max_buffers - q_num_bufs; =20 /* We need to program the complete CAPTURE buffer list * in registers during start_streaming, and the firmwares * are free to choose any of them to write frames to. As such, * we need all of them to be queued into the driver */ - sess->num_dst_bufs =3D q->num_buffers + *num_buffers; + sess->num_dst_bufs =3D q_num_bufs + *num_buffers; q->min_buffers_needed =3D max(fmt_out->min_buffers, sess->num_dst_bufs); } =20 --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC752E784B5 for ; Mon, 2 Oct 2023 12:08:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237384AbjJBMIq (ORCPT ); Mon, 2 Oct 2023 08:08:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53042 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237149AbjJBMHD (ORCPT ); Mon, 2 Oct 2023 08:07:03 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2F07894; Mon, 2 Oct 2023 05:06:50 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 8BF436607363; Mon, 2 Oct 2023 13:06:48 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248409; bh=uwQYrGuMm2ejNz+6p1iPg1BLomW4NJekCoZt42bzvk0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MDYUG4DDIvMnA81tBRyQL+62Dtzm7dhbo+VkEpsEkonVOHRy4lBK1QTWM7q0AeAlk srMl8Xek7F8frKaTkr0D/igAmvkmJOnOtdH+6oAhRinguykOu2Nh0eL9m4nNUjgXSc f8d3Wx3R6T4ujvWucUzCMbNT7keNhVsxzffQM+mkkWTpYCtMANOs5gCSwUfbZS0Mog 0OKEpgC8jnffmvaBPYZ/Y0uyq0KGt1pbmDfehxdFxK+c0I95C2PvzuqS+bF08W/zxY IVTdYg2/YjiTTdzQjIVC0bj1qc/LxBLAjBVJ0GRD3FD0y5Gq01UgWFwG+TVWKZJYB0 fZSHtvO6lYKow== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 45/53] touchscreen: sur40: Stop direct calls to queue num_buffers field Date: Mon, 2 Oct 2023 14:06:09 +0200 Message-Id: <20231002120617.119602-46-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_num_buffers() to avoid using queue num_buffer field directly. Signed-off-by: Benjamin Gaignard --- drivers/input/touchscreen/sur40.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/= sur40.c index 8ddb3f7d307a..e7d2a52169a0 100644 --- a/drivers/input/touchscreen/sur40.c +++ b/drivers/input/touchscreen/sur40.c @@ -847,9 +847,10 @@ static int sur40_queue_setup(struct vb2_queue *q, unsigned int sizes[], struct device *alloc_devs[]) { struct sur40_state *sur40 =3D vb2_get_drv_priv(q); + unsigned int q_num_bufs =3D vb2_get_num_buffers(q); =20 - if (q->num_buffers + *nbuffers < 3) - *nbuffers =3D 3 - q->num_buffers; + if (q_num_bufs + *nbuffers < 3) + *nbuffers =3D 3 - q_num_bufs; =20 if (*nplanes) return sizes[0] < sur40->pix_fmt.sizeimage ? -EINVAL : 0; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 334F8E784AC for ; Mon, 2 Oct 2023 12:08:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237436AbjJBMIm (ORCPT ); Mon, 2 Oct 2023 08:08:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52944 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237152AbjJBMHD (ORCPT ); Mon, 2 Oct 2023 08:07:03 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ACE071AE; Mon, 2 Oct 2023 05:06:50 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 1D1DF660738B; Mon, 2 Oct 2023 13:06:49 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248409; bh=/cndzbQG0EfdVraDFE6iiWONWcwO1/xN2meedcRh5A0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OZIZlYiZZBJVXu8Pjtt7ACOpjp2e09ky4E+doqU+FZoBSFfKpaaSEEnMzBCvVKe0G kcQBxMRwq5WboOadi3pNaVJkoFB3hYrYEqXQuj/Usz5LZmMumKq+BJ4BdehzrbQU6w +wtE8ZXtN21IkRbesIipT6PpOuwhxGUN1ELcvYHmCWTrzqhxF2JaSvBvHAOuZWocCe PT62SMp/vuNB1QGmmEYhvVxrJgCh5arMwkL4qz/08+QSEbSP1uz/qapw7PgVHNg3tQ l9HBOgJ203mFYR9o7F8qevla+unEkgQG4j6bSYiYuLQzljzcaSH4bTceUlOVKiNMg8 qwR7V7meifDmw== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 46/53] sample: v4l: Stop direct calls to queue num_buffers field Date: Mon, 2 Oct 2023 14:06:10 +0200 Message-Id: <20231002120617.119602-47-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_num_buffers() to avoid using queue num_buffer field directly. Signed-off-by: Benjamin Gaignard --- samples/v4l/v4l2-pci-skeleton.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/samples/v4l/v4l2-pci-skeleton.c b/samples/v4l/v4l2-pci-skeleto= n.c index a61f94db18d9..a65aa9d1e9da 100644 --- a/samples/v4l/v4l2-pci-skeleton.c +++ b/samples/v4l/v4l2-pci-skeleton.c @@ -155,6 +155,7 @@ static int queue_setup(struct vb2_queue *vq, unsigned int sizes[], struct device *alloc_devs[]) { struct skeleton *skel =3D vb2_get_drv_priv(vq); + unsigned int q_num_bufs =3D vb2_get_num_buffers(vq); =20 skel->field =3D skel->format.field; if (skel->field =3D=3D V4L2_FIELD_ALTERNATE) { @@ -167,8 +168,8 @@ static int queue_setup(struct vb2_queue *vq, skel->field =3D V4L2_FIELD_TOP; } =20 - if (vq->num_buffers + *nbuffers < 3) - *nbuffers =3D 3 - vq->num_buffers; + if (q_num_bufs + *nbuffers < 3) + *nbuffers =3D 3 - q_num_bufs; =20 if (*nplanes) return sizes[0] < skel->format.sizeimage ? -EINVAL : 0; --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 85796E784AD for ; Mon, 2 Oct 2023 12:08:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236894AbjJBMI4 (ORCPT ); Mon, 2 Oct 2023 08:08:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53100 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237162AbjJBMHE (ORCPT ); Mon, 2 Oct 2023 08:07:04 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B2F0C1B4; Mon, 2 Oct 2023 05:06:51 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 9CE17660738D; Mon, 2 Oct 2023 13:06:49 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248410; bh=ab3b0OnRgwE0tLcrbw3ezabANr7f3bguMXcLjpsSnBA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TUzURIJgF2X3CiZYQcFBU9DwTk6hOQTEp8ajqLhxSjnJLLik+662uPT1MFD6S5Ycm +KeL402Cz3X9esFjhVCgQW+NDOtg+LIiRTuJZPBj6e4Ck2tPuyJLBFfWso0bcKlhI/ 9u8PvwrI6+MA4sNJTITeRVreIbm8VJLqHUXKFjePse/pCrk+tldbte5FxScZAArVBq KuWgvrd5FN+9pS+Z5JC6udbyWxnJP8M7CnEYL6XxR8lqNiWgQ1A4MnPr/MsB1XuGzr EIzUTuc5JR3C/+YzzmNY4BW107tVWBp4HOGIQBJvqGbxQOOHHWAjCP09mKZwO9+zyF WQFVXzHjMaIrg== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 47/53] media: cedrus: Stop direct calls to queue num_buffers field Date: Mon, 2 Oct 2023 14:06:11 +0200 Message-Id: <20231002120617.119602-48-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use vb2_get_num_buffers() and queue max_num_buffers field to avoid using queue num_buffer field directly. Signed-off-by: Benjamin Gaignard --- version 9: - run 'test-media -kmemleak mc' at this point of the series without problems. drivers/staging/media/sunxi/cedrus/cedrus_h264.c | 8 ++++++-- drivers/staging/media/sunxi/cedrus/cedrus_h265.c | 9 +++++++-- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c b/drivers/sta= ging/media/sunxi/cedrus/cedrus_h264.c index dfb401df138a..88061310f815 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c @@ -653,8 +653,12 @@ static void cedrus_h264_stop(struct cedrus_ctx *ctx) =20 vq =3D v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); =20 - for (i =3D 0; i < vq->num_buffers; i++) { - buf =3D vb2_to_cedrus_buffer(vb2_get_buffer(vq, i)); + for (i =3D 0; i < vq->max_num_buffers; i++) { + struct vb2_buffer *vb =3D vb2_get_buffer(vq, i); + + if (!vb) + continue; + buf =3D vb2_to_cedrus_buffer(vb); =20 if (buf->codec.h264.mv_col_buf_size > 0) { dma_free_attrs(dev->dev, diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/sta= ging/media/sunxi/cedrus/cedrus_h265.c index fc9297232456..b8b66d0d951e 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c @@ -869,8 +869,13 @@ static void cedrus_h265_stop(struct cedrus_ctx *ctx) =20 vq =3D v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); =20 - for (i =3D 0; i < vq->num_buffers; i++) { - buf =3D vb2_to_cedrus_buffer(vb2_get_buffer(vq, i)); + for (i =3D 0; i < vq->max_num_buffers; i++) { + struct vb2_buffer *vb =3D vb2_get_buffer(vq, i); + + if (!vb) + continue; + + buf =3D vb2_to_cedrus_buffer(vb); =20 if (buf->codec.h265.mv_col_buf_size > 0) { dma_free_attrs(dev->dev, --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D09AAE784B6 for ; Mon, 2 Oct 2023 12:08:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237455AbjJBMIx (ORCPT ); Mon, 2 Oct 2023 08:08:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53094 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237161AbjJBMHE (ORCPT ); Mon, 2 Oct 2023 08:07:04 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C890C1B7; Mon, 2 Oct 2023 05:06:51 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 2B3956607313; Mon, 2 Oct 2023 13:06:50 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248410; bh=U9ROfIR67B3sHpLRNcsAThJry0XaT/ic5m5AuSEVfvE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h0XuPJn4AfQCknWERmaVsWi/kSQVauUkKkGjuStU+RF3ShKl7tRLwYAUeP8RcQHo1 4dL0JzBtDwr3VTCVZ/82mLb2HqH+de2lL+kuZp+VgV/U4FZJsqctiwBhWxwOGCHiF+ +CcN6r1StYB0S04mCOn3Efh420QITN5wvZpHwpKujoV1ZBO4pqLsMPIo3AJzk+vihf n1IeHLobnvoL6ZzgZiIQiFQ97wjArR4o0jAkKaxIgFVYmSuTAKoWT61T8vsr9CeXcY Gyhhrqo7Z8A51tYccQtiWS3ikLHSYIGa1oUhaX6M0YPQmRuFOSBRO8WPPfDriVKk3B 1ArrYZm+SNHtg== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 48/53] media: core: Rework how create_buf index returned value is computed Date: Mon, 2 Oct 2023 14:06:12 +0200 Message-Id: <20231002120617.119602-49-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" When DELETE_BUFS will be introduced holes could created in bufs array. To be able to reuse these unused indices reworking how create->index is set is mandatory. Let __vb2_queue_alloc() decide which first index is correct and forward this to the caller. Signed-off-by: Benjamin Gaignard --- .../media/common/videobuf2/videobuf2-core.c | 21 ++++++++++++------- .../media/common/videobuf2/videobuf2-v4l2.c | 20 +++++++++++------- include/media/videobuf2-core.h | 5 ++++- 3 files changed, 31 insertions(+), 15 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/medi= a/common/videobuf2/videobuf2-core.c index 8da8a7dfff44..92de8af58bdc 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -440,15 +440,21 @@ static void vb2_queue_remove_buffer(struct vb2_buffer= *vb) */ static int __vb2_queue_alloc(struct vb2_queue *q, enum vb2_memory memory, unsigned int num_buffers, unsigned int num_planes, - const unsigned plane_sizes[VB2_MAX_PLANES]) + const unsigned plane_sizes[VB2_MAX_PLANES], + unsigned int *first_index) { unsigned int buffer, plane; struct vb2_buffer *vb; + unsigned long index; int ret; =20 /* Ensure that the number of already queue + num_buffers is below q->max_= num_buffers */ num_buffers =3D min_t(unsigned int, num_buffers, - q->max_num_buffers - q->num_buffers); + q->max_num_buffers - vb2_get_num_buffers(q)); + + index =3D vb2_get_num_buffers(q); + + *first_index =3D index; =20 for (buffer =3D 0; buffer < num_buffers; ++buffer) { /* Allocate vb2 buffer structures */ @@ -468,7 +474,7 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enum = vb2_memory memory, vb->planes[plane].min_length =3D plane_sizes[plane]; } =20 - vb2_queue_add_buffer(q, vb, q->num_buffers + buffer); + vb2_queue_add_buffer(q, vb, index++); call_void_bufop(q, init_buffer, vb); =20 /* Allocate video buffer memory for the MMAP type */ @@ -811,7 +817,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memo= ry memory, unsigned int q_num_bufs =3D vb2_get_num_buffers(q); unsigned plane_sizes[VB2_MAX_PLANES] =3D { }; bool non_coherent_mem =3D flags & V4L2_MEMORY_FLAG_NON_COHERENT; - unsigned int i; + unsigned int i, first_index; int ret =3D 0; =20 if (q->streaming) { @@ -897,7 +903,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memo= ry memory, =20 /* Finally, allocate buffers and video memory */ allocated_buffers =3D - __vb2_queue_alloc(q, memory, num_buffers, num_planes, plane_sizes); + __vb2_queue_alloc(q, memory, num_buffers, num_planes, plane_sizes, &firs= t_index); if (allocated_buffers =3D=3D 0) { dprintk(q, 1, "memory allocation failed\n"); ret =3D -ENOMEM; @@ -971,7 +977,8 @@ EXPORT_SYMBOL_GPL(vb2_core_reqbufs); int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory, unsigned int flags, unsigned int *count, unsigned int requested_planes, - const unsigned int requested_sizes[]) + const unsigned int requested_sizes[], + unsigned int *first_index) { unsigned int num_planes =3D 0, num_buffers, allocated_buffers; unsigned plane_sizes[VB2_MAX_PLANES] =3D { }; @@ -1033,7 +1040,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb= 2_memory memory, =20 /* Finally, allocate buffers and video memory */ allocated_buffers =3D __vb2_queue_alloc(q, memory, num_buffers, - num_planes, plane_sizes); + num_planes, plane_sizes, first_index); if (allocated_buffers =3D=3D 0) { dprintk(q, 1, "memory allocation failed\n"); ret =3D -ENOMEM; diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/medi= a/common/videobuf2/videobuf2-v4l2.c index a4ebef82d94e..6d9f1be41a19 100644 --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c @@ -808,11 +808,16 @@ int vb2_create_bufs(struct vb2_queue *q, struct v4l2_= create_buffers *create) for (i =3D 0; i < requested_planes; i++) if (requested_sizes[i] =3D=3D 0) return -EINVAL; - return ret ? ret : vb2_core_create_bufs(q, create->memory, - create->flags, - &create->count, - requested_planes, - requested_sizes); + if (ret) + return ret; + + ret =3D vb2_core_create_bufs(q, create->memory, + create->flags, + &create->count, + requested_planes, + requested_sizes, + &create->index); + return ret; } EXPORT_SYMBOL_GPL(vb2_create_bufs); =20 @@ -1040,15 +1045,16 @@ int vb2_ioctl_create_bufs(struct file *file, void *= priv, int res =3D vb2_verify_memory_type(vdev->queue, p->memory, p->format.type); =20 - p->index =3D vdev->queue->num_buffers; fill_buf_caps(vdev->queue, &p->capabilities); validate_memory_flags(vdev->queue, p->memory, &p->flags); /* * If count =3D=3D 0, then just check if memory and type are valid. * Any -EBUSY result from vb2_verify_memory_type can be mapped to 0. */ - if (p->count =3D=3D 0) + if (p->count =3D=3D 0) { + p->index =3D vb2_get_num_buffers(vdev->queue); return res !=3D -EBUSY ? res : 0; + } if (res) return res; if (vb2_queue_is_busy(vdev->queue, file)) diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index dffb9647d4d1..d433bf84e30c 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -803,6 +803,8 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memo= ry memory, * @count: requested buffer count. * @requested_planes: number of planes requested. * @requested_sizes: array with the size of the planes. + * @first_index: index of the first created buffer, all allocated buffers = have + * indices in the range [first..first+count] * * Videobuf2 core helper to implement VIDIOC_CREATE_BUFS() operation. It is * called internally by VB2 by an API-specific handler, like @@ -819,7 +821,8 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memo= ry memory, int vb2_core_create_bufs(struct vb2_queue *q, enum vb2_memory memory, unsigned int flags, unsigned int *count, unsigned int requested_planes, - const unsigned int requested_sizes[]); + const unsigned int requested_sizes[], + unsigned int *first_index); =20 /** * vb2_core_prepare_buf() - Pass ownership of a buffer from userspace --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D129DE784AD for ; Mon, 2 Oct 2023 12:09:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236901AbjJBMJE (ORCPT ); Mon, 2 Oct 2023 08:09:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39536 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237166AbjJBMHE (ORCPT ); Mon, 2 Oct 2023 08:07:04 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4C6381BD; Mon, 2 Oct 2023 05:06:52 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id B14046607393; Mon, 2 Oct 2023 13:06:50 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248411; bh=sn5wF6D6IMQITXuycpSqegm5P50srmeBUI7DJutIPII=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NXjk4ZR3JH1ZPbpPnY/8ljdgOME6ON1K0X0GqQlczupovWX6I9lMesxCaOazI/Vig 2rpiHG08Mc0N/2AfKpY7RkAFzbussmEpL/RM5VGkhxuhP4f8236CgSMovYJB3Xun2P QzXUQfmudUMm24y+3rRwneofxTycJtF1gw+/qkX+NxL1XTCsn+G+wfqwHm1de2aBOb kBNdbOhhCNCvnteE0BkW2yxbHEMlqyo0hfYSXf7rQbA4/aV/T3qT8wNKk68pyrFoM3 T46UYK54Rr2xowaE5wspEkmWMKQ1odXSWc6Qrbfj1EzkC8fX/mwfFdA2n2EmKBsPTr 0ykQNDodUnGxA== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 49/53] media: core: Add bitmap manage bufs array entries Date: Mon, 2 Oct 2023 14:06:13 +0200 Message-Id: <20231002120617.119602-50-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add a bitmap field to know which of bufs array entries are used or not. Remove no more used num_buffers field from queue structure. Use bitmap_find_next_zero_area() to find the first possible range when creating new buffers to fill the gaps. Signed-off-by: Benjamin Gaignard --- .../media/common/videobuf2/videobuf2-core.c | 43 ++++++++++++++----- include/media/videobuf2-core.h | 19 +++++--- 2 files changed, 47 insertions(+), 15 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/medi= a/common/videobuf2/videobuf2-core.c index 92de8af58bdc..4cbc17e8b53e 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -412,11 +412,12 @@ static void init_buffer_cache_hints(struct vb2_queue = *q, struct vb2_buffer *vb) */ static void vb2_queue_add_buffer(struct vb2_queue *q, struct vb2_buffer *v= b, unsigned int index) { - WARN_ON(index >=3D q->max_num_buffers || q->bufs[index]); + WARN_ON(index >=3D q->max_num_buffers || test_bit(index, q->bufs_bitmap)); =20 q->bufs[index] =3D vb; vb->index =3D index; vb->vb2_queue =3D q; + set_bit(index, q->bufs_bitmap); } =20 /** @@ -425,8 +426,7 @@ static void vb2_queue_add_buffer(struct vb2_queue *q, s= truct vb2_buffer *vb, uns */ static void vb2_queue_remove_buffer(struct vb2_buffer *vb) { - if (vb->vb2_queue->num_buffers) - vb->vb2_queue->num_buffers--; + clear_bit(vb->index, vb->vb2_queue->bufs_bitmap); vb->vb2_queue->bufs[vb->index] =3D NULL; vb->vb2_queue =3D NULL; } @@ -448,11 +448,12 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enu= m vb2_memory memory, unsigned long index; int ret; =20 - /* Ensure that the number of already queue + num_buffers is below q->max_= num_buffers */ + /* Ensure that vb2_get_num_buffers(q) + num_buffers is no more than q->ma= x_num_buffers */ num_buffers =3D min_t(unsigned int, num_buffers, q->max_num_buffers - vb2_get_num_buffers(q)); =20 - index =3D vb2_get_num_buffers(q); + index =3D bitmap_find_next_zero_area(q->bufs_bitmap, q->max_num_buffers, + 0, num_buffers, 0); =20 *first_index =3D index; =20 @@ -874,6 +875,14 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_mem= ory memory, q->bufs =3D kcalloc(q->max_num_buffers, sizeof(*q->bufs), GFP_KERNEL); if (!q->bufs) ret =3D -ENOMEM; + + if (!q->bufs_bitmap) + q->bufs_bitmap =3D bitmap_zalloc(q->max_num_buffers, GFP_KERNEL); + if (!q->bufs_bitmap) { + ret =3D -ENOMEM; + kfree(q->bufs); + q->bufs =3D NULL; + } q->memory =3D memory; mutex_unlock(&q->mmap_lock); if (ret) @@ -943,7 +952,6 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memo= ry memory, } =20 mutex_lock(&q->mmap_lock); - q->num_buffers =3D allocated_buffers; =20 if (ret < 0) { /* @@ -970,6 +978,10 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_mem= ory memory, mutex_lock(&q->mmap_lock); q->memory =3D VB2_MEMORY_UNKNOWN; mutex_unlock(&q->mmap_lock); + kfree(q->bufs); + q->bufs =3D NULL; + bitmap_free(q->bufs_bitmap); + q->bufs_bitmap =3D NULL; return ret; } EXPORT_SYMBOL_GPL(vb2_core_reqbufs); @@ -1006,9 +1018,19 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum v= b2_memory memory, q->memory =3D memory; if (!q->bufs) q->bufs =3D kcalloc(q->max_num_buffers, sizeof(*q->bufs), GFP_KERNEL); - if (!q->bufs) + if (!q->bufs) { ret =3D -ENOMEM; + goto unlock; + } + if (!q->bufs_bitmap) + q->bufs_bitmap =3D bitmap_zalloc(q->max_num_buffers, GFP_KERNEL); + if (!q->bufs_bitmap) { + ret =3D -ENOMEM; + kfree(q->bufs); + q->bufs =3D NULL; + } mutex_unlock(&q->mmap_lock); +unlock: if (ret) return ret; q->waiting_for_buffers =3D !q->is_output; @@ -1070,7 +1092,6 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb= 2_memory memory, } =20 mutex_lock(&q->mmap_lock); - q->num_buffers +=3D allocated_buffers; =20 if (ret < 0) { /* @@ -2547,7 +2568,9 @@ void vb2_core_queue_release(struct vb2_queue *q) __vb2_queue_free(q, q->max_num_buffers); kfree(q->bufs); q->bufs =3D NULL; - q->num_buffers =3D 0; + bitmap_free(q->bufs_bitmap); + q->bufs_bitmap =3D NULL; + mutex_unlock(&q->mmap_lock); } EXPORT_SYMBOL_GPL(vb2_core_queue_release); @@ -2902,7 +2925,7 @@ static size_t __vb2_perform_fileio(struct vb2_queue *= q, char __user *data, size_ * Check if we need to dequeue the buffer. */ index =3D fileio->cur_index; - if (index >=3D q->num_buffers) { + if (!test_bit(index, q->bufs_bitmap)) { struct vb2_buffer *b; =20 /* diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index d433bf84e30c..fc1fcd8faa64 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -346,7 +346,7 @@ struct vb2_buffer { * describes the requested number of planes and sizes\[\] * contains the requested plane sizes. In this case * \*num_buffers are being allocated additionally to - * q->num_buffers. If either \*num_planes or the requested + * queue buffers. If either \*num_planes or the requested * sizes are invalid callback must return %-EINVAL. * @wait_prepare: release any locks taken while calling vb2 functions; * it is called before an ioctl needs to wait for a new @@ -557,7 +557,7 @@ struct vb2_buf_ops { * @memory: current memory type used * @dma_dir: DMA mapping direction. * @bufs: videobuf2 buffer structures - * @num_buffers: number of allocated/used buffers + * @bufs_bitmap: bitmap to manage bufs entries. * @max_num_buffers: upper limit of number of allocated/used buffers * @queued_list: list of buffers currently queued from userspace * @queued_count: number of buffers queued and ready for streaming. @@ -621,7 +621,7 @@ struct vb2_queue { unsigned int memory; enum dma_data_direction dma_dir; struct vb2_buffer **bufs; - unsigned int num_buffers; + unsigned long *bufs_bitmap; unsigned int max_num_buffers; =20 struct list_head queued_list; @@ -1150,7 +1150,10 @@ static inline bool vb2_fileio_is_active(struct vb2_q= ueue *q) */ static inline unsigned int vb2_get_num_buffers(struct vb2_queue *q) { - return q->num_buffers; + if (!q->bufs_bitmap) + return 0; + + return bitmap_weight(q->bufs_bitmap, q->max_num_buffers); } =20 /** @@ -1253,7 +1256,13 @@ static inline void vb2_clear_last_buffer_dequeued(st= ruct vb2_queue *q) static inline struct vb2_buffer *vb2_get_buffer(struct vb2_queue *q, unsigned int index) { - if (index < q->num_buffers) + if (!q->bufs_bitmap) + return NULL; + + if (index >=3D q->max_num_buffers) + return NULL; + + if (test_bit(index, q->bufs_bitmap)) return q->bufs[index]; return NULL; } --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0432EE784B3 for ; Mon, 2 Oct 2023 12:08:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237039AbjJBMI6 (ORCPT ); Mon, 2 Oct 2023 08:08:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53142 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237173AbjJBMHF (ORCPT ); Mon, 2 Oct 2023 08:07:05 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CEE4ACC3; Mon, 2 Oct 2023 05:06:52 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 3CB2F6607395; Mon, 2 Oct 2023 13:06:51 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248411; bh=xNwpnkBcVLj30pw8lyVYd9bN7x+vY+ofwKdCBF1FVjY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YpeFIL7JIK2sBuiBJeqIUMq/T9mu7AuXzYTMmA75Z5f2Fya2e9eGYxNE8pNtaNgfD /mVaov7mfwbWb+gqfHA9kUc54+FLKV4BrdYfRERvkQoEFl1lPTFmiilAQD3OIaG3no DyeHnE+HweP4yu+l7kqW8FAl5OR3DI2Uhjg40cOVx87hvops7xP9usNmrz02JqIgEq Vs6GJJpsc4g4Sy7hDjQl3USFwVErKbaAkMP/xpvNuZEA0W98Y+2zZgxDJ+KKqmwCmQ qXhV7fECtGdwOEouKJhgYYx77tRFUHTXtv0vuOfSufuIVC5trEhFMxsr0qZlAwJUCw Be/99JakqD3Bg== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 50/53] media: core: Free range of buffers Date: Mon, 2 Oct 2023 14:06:14 +0200 Message-Id: <20231002120617.119602-51-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Improve __vb2_queue_free() and __vb2_free_mem() to free range of buffers and not only the last few buffers. Intoduce starting index to be flexible on range and change the loops according to this parameters. Signed-off-by: Benjamin Gaignard --- version 9: - fix compilation issue .../media/common/videobuf2/videobuf2-core.c | 40 ++++++++----------- 1 file changed, 17 insertions(+), 23 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/medi= a/common/videobuf2/videobuf2-core.c index 4cbc17e8b53e..b9b8a44b378c 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -515,13 +515,12 @@ static int __vb2_queue_alloc(struct vb2_queue *q, enu= m vb2_memory memory, /* * __vb2_free_mem() - release all video buffer memory for a given queue */ -static void __vb2_free_mem(struct vb2_queue *q, unsigned int buffers) +static void __vb2_free_mem(struct vb2_queue *q, unsigned int start, unsign= ed int count) { - unsigned int buffer =3D 0; - long i =3D q->max_num_buffers; + unsigned int i; struct vb2_buffer *vb; =20 - for (i =3D q->max_num_buffers; i >=3D 0 && buffer < buffers; i--) { + for (i =3D start; i < q->max_num_buffers && i < start + count; i++) { vb =3D vb2_get_buffer(q, i); if (!vb) continue; @@ -533,36 +532,32 @@ static void __vb2_free_mem(struct vb2_queue *q, unsig= ned int buffers) __vb2_buf_dmabuf_put(vb); else __vb2_buf_userptr_put(vb); - buffer++; } } =20 /* - * __vb2_queue_free() - free buffers at the end of the queue - video memor= y and + * __vb2_queue_free() - free count buffers from start index of the queue -= video memory and * related information, if no buffers are left return the queue to an * uninitialized state. Might be called even if the queue has already been= freed. */ -static void __vb2_queue_free(struct vb2_queue *q, unsigned int buffers) +static void __vb2_queue_free(struct vb2_queue *q, unsigned int start, unsi= gned int count) { - unsigned int buffer; - long i =3D q->max_num_buffers; + unsigned int i; =20 lockdep_assert_held(&q->mmap_lock); =20 /* Call driver-provided cleanup function for each buffer, if provided */ - for (i =3D q->max_num_buffers, buffer =3D 0; i >=3D 0 && buffer < buffers= ; i--) { + for (i =3D start; i < q->max_num_buffers && i < start + count; i++) { struct vb2_buffer *vb =3D vb2_get_buffer(q, i); =20 if (!vb) continue; - if (vb->planes[0].mem_priv) { + if (vb->planes[0].mem_priv) call_void_vb_qop(vb, buf_cleanup, vb); - buffer++; - } } =20 /* Release video buffer memory */ - __vb2_free_mem(q, buffers); + __vb2_free_mem(q, start, count); =20 #ifdef CONFIG_VIDEO_ADV_DEBUG /* @@ -595,8 +590,8 @@ static void __vb2_queue_free(struct vb2_queue *q, unsig= ned int buffers) q->cnt_stop_streaming =3D 0; q->cnt_unprepare_streaming =3D 0; } - for (buffer =3D 0; buffer < q->max_num_buffers; buffer++) { - struct vb2_buffer *vb =3D vb2_get_buffer(q, buffer); + for (i =3D 0; i < q->max_num_buffers; i++) { + struct vb2_buffer *vb =3D vb2_get_buffer(q, i); bool unbalanced; =20 if (!vb) @@ -613,7 +608,7 @@ static void __vb2_queue_free(struct vb2_queue *q, unsig= ned int buffers) =20 if (unbalanced) { pr_info("unbalanced counters for queue %p, buffer %d:\n", - q, buffer); + q, i); if (vb->cnt_buf_init !=3D vb->cnt_buf_cleanup) pr_info(" buf_init: %u buf_cleanup: %u\n", vb->cnt_buf_init, vb->cnt_buf_cleanup); @@ -647,7 +642,7 @@ static void __vb2_queue_free(struct vb2_queue *q, unsig= ned int buffers) #endif =20 /* Free vb2 buffers */ - for (i =3D q->max_num_buffers, buffer =3D 0; i >=3D 0 && buffer < buffers= ; i--) { + for (i =3D start; i < q->max_num_buffers && i < start + count; i++) { struct vb2_buffer *vb =3D vb2_get_buffer(q, i); =20 if (!vb) @@ -655,7 +650,6 @@ static void __vb2_queue_free(struct vb2_queue *q, unsig= ned int buffers) =20 vb2_queue_remove_buffer(vb); kfree(vb); - buffer++; } =20 if (!vb2_get_num_buffers(q)) { @@ -849,7 +843,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memo= ry memory, * queued without ever calling STREAMON. */ __vb2_queue_cancel(q); - __vb2_queue_free(q, q_num_bufs); + __vb2_queue_free(q, 0, q_num_bufs); mutex_unlock(&q->mmap_lock); =20 /* @@ -959,7 +953,7 @@ int vb2_core_reqbufs(struct vb2_queue *q, enum vb2_memo= ry memory, * from already queued buffers and it will reset q->memory to * VB2_MEMORY_UNKNOWN. */ - __vb2_queue_free(q, allocated_buffers); + __vb2_queue_free(q, first_index, allocated_buffers); mutex_unlock(&q->mmap_lock); return ret; } @@ -1099,7 +1093,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb= 2_memory memory, * from already queued buffers and it will reset q->memory to * VB2_MEMORY_UNKNOWN. */ - __vb2_queue_free(q, allocated_buffers); + __vb2_queue_free(q, *first_index, allocated_buffers); mutex_unlock(&q->mmap_lock); return -ENOMEM; } @@ -2565,7 +2559,7 @@ void vb2_core_queue_release(struct vb2_queue *q) __vb2_cleanup_fileio(q); __vb2_queue_cancel(q); mutex_lock(&q->mmap_lock); - __vb2_queue_free(q, q->max_num_buffers); + __vb2_queue_free(q, 0, q->max_num_buffers); kfree(q->bufs); q->bufs =3D NULL; bitmap_free(q->bufs_bitmap); --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7802CE784AD for ; Mon, 2 Oct 2023 12:09:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237144AbjJBMJI (ORCPT ); Mon, 2 Oct 2023 08:09:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50366 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237239AbjJBMH1 (ORCPT ); Mon, 2 Oct 2023 08:07:27 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 79389CC7; Mon, 2 Oct 2023 05:06:53 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id BE11C6607399; Mon, 2 Oct 2023 13:06:51 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248412; bh=jFEWJRqtplaTzkLjCETQrwLweViDt18/F8tQHTfIxiE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PPXpmgHymsUbu2Qbmu9e4SGA0P9uYTTAG88Vx/apKhq4tssuL/DsDtkJfdsCLGZtk OukT5jiuPQ7tCr2rQhDThaJ1TkQ+u1isLmlC5AdeYBA9Ok5FRAUDf7xKuPaAIucXFt Q4RPDY7QRL0+McgWH+K/cshGPBK3oVJwatRgyhLCXmp73xSq2JaCnOrHEepLI3il3z dYRUNc10fiBoZgtshfRG19YOWEt/Fp+5p72Mvd9fK+7RjWkUUIuNSxZ8AunfnCq8CO GdYOYY6FZ3bK4G7J3vxTkn9Lq3aJ/cqJlnIcCXe3d71/A68y2Sqm1NUJd8v5+Hm1me an/LoZorZ2JJQ== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 51/53] media: v4l2: Add DELETE_BUFS ioctl Date: Mon, 2 Oct 2023 14:06:15 +0200 Message-Id: <20231002120617.119602-52-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" VIDIOC_DELETE_BUFS ioctl allows to delete buffers from a queue. The number of buffers to delete in given by count field of struct v4l2_delete_buffers and the range start at the index specified in the same structure. Signed-off-by: Benjamin Gaignard --- .../userspace-api/media/v4l/user-func.rst | 1 + .../media/v4l/vidioc-delete-bufs.rst | 80 +++++++++++++++++++ .../media/v4l/vidioc-reqbufs.rst | 1 + .../media/common/videobuf2/videobuf2-core.c | 30 +++++++ .../media/common/videobuf2/videobuf2-v4l2.c | 20 +++++ drivers/media/v4l2-core/v4l2-dev.c | 1 + drivers/media/v4l2-core/v4l2-ioctl.c | 17 ++++ include/media/v4l2-ioctl.h | 4 + include/media/videobuf2-core.h | 12 +++ include/media/videobuf2-v4l2.h | 13 +++ include/uapi/linux/videodev2.h | 17 ++++ 11 files changed, 196 insertions(+) create mode 100644 Documentation/userspace-api/media/v4l/vidioc-delete-buf= s.rst diff --git a/Documentation/userspace-api/media/v4l/user-func.rst b/Document= ation/userspace-api/media/v4l/user-func.rst index 15ff0bf7bbe6..3fd567695477 100644 --- a/Documentation/userspace-api/media/v4l/user-func.rst +++ b/Documentation/userspace-api/media/v4l/user-func.rst @@ -17,6 +17,7 @@ Function Reference vidioc-dbg-g-chip-info vidioc-dbg-g-register vidioc-decoder-cmd + vidioc-delete-bufs vidioc-dqevent vidioc-dv-timings-cap vidioc-encoder-cmd diff --git a/Documentation/userspace-api/media/v4l/vidioc-delete-bufs.rst b= /Documentation/userspace-api/media/v4l/vidioc-delete-bufs.rst new file mode 100644 index 000000000000..4791df1395d6 --- /dev/null +++ b/Documentation/userspace-api/media/v4l/vidioc-delete-bufs.rst @@ -0,0 +1,80 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: V4L + +.. _VIDIOC_DELETE_BUFS: + +************************ +ioctl VIDIOC_DELETE_BUFS +************************ + +Name +=3D=3D=3D=3D + +VIDIOC_DELETE_BUFS - Deletes buffers from a queue +Drivers using this feature must expose the ``V4L2_BUF_CAP_SUPPORTS_DELETE_= BUFS`` +capability on the queue :c:func:`VIDIOC_REQBUFS` or :c:func:`VIDIOC_CREATE= _BUFS` +are invoked. + +Synopsis +=3D=3D=3D=3D=3D=3D=3D=3D + +.. c:macro:: VIDIOC_DELETE_BUFs + +``int ioctl(int fd, VIDIOC_DELETE_BUFs, struct v4l2_delete_buffers *argp)`` + +Arguments +=3D=3D=3D=3D=3D=3D=3D=3D=3D + +``fd`` + File descriptor returned by :c:func:`open()`. + +``argp`` + Pointer to struct :c:type:`v4l2_delete_buffers`. + +Description +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +Applications can optionally call the :ref:`VIDIOC_DELETE_BUFS` ioctl to +delete buffers from a queue. + +.. c:type:: v4l2_delete_buffers + +.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.5cm}| + +.. flat-table:: struct v4l2_delete_buffers + :header-rows: 0 + :stub-columns: 0 + :widths: 1 1 2 + + * - __u32 + - ``index`` + - The starting buffer index to delete. + * - __u32 + - ``count`` + - The number of buffers to be deleted with indices 'index' until 'in= dex + count - 1'. + All buffers in this range must be valid and in DEQUEUED state. + In error case errno is set to ``EINVAL`` error code and index retu= rns the index of + the invalid buffer. + If count and index are set to 0 :ref:`VIDIOC_DELETE_BUFS` will ret= urn 0. + * - __u32 + - ``type`` + - Type of the stream or buffers, this is the same as the struct + :c:type:`v4l2_format` ``type`` field. See + :c:type:`v4l2_buf_type` for valid values. + * - __u32 + - ``reserved``\ [13] + - A place holder for future extensions. Drivers and applications + must set the array to zero. + +Return Value +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +On success 0 is returned, on error -1 and the ``errno`` variable is set +appropriately. The generic error codes are described at the +:ref:`Generic Error Codes ` chapter. + +EBUSY + File I/O is in progress. + +EINVAL + The buffer ``index`` doesn't exist in the queue. diff --git a/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst b/Doc= umentation/userspace-api/media/v4l/vidioc-reqbufs.rst index 0395187e1a5a..bcdf72dcbc22 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst @@ -121,6 +121,7 @@ aborting or finishing any DMA in progress, an implicit .. _V4L2-BUF-CAP-SUPPORTS-M2M-HOLD-CAPTURE-BUF: .. _V4L2-BUF-CAP-SUPPORTS-MMAP-CACHE-HINTS: .. _V4L2-BUF-CAP-SUPPORTS-SET-MAX-BUFS: +.. _V4L2-BUF-CAP-SUPPORTS-DELETE-BUFS: =20 .. raw:: latex =20 diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/medi= a/common/videobuf2/videobuf2-core.c index b9b8a44b378c..52a82af19746 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -1661,6 +1661,36 @@ int vb2_core_prepare_buf(struct vb2_queue *q, struct= vb2_buffer *vb, void *pb) } EXPORT_SYMBOL_GPL(vb2_core_prepare_buf); =20 +int vb2_core_delete_bufs(struct vb2_queue *q, unsigned int start, unsigned= int count) +{ + unsigned int i, ret =3D 0; + + if (start =3D=3D 0 && count =3D=3D 0) + return 0; + + mutex_lock(&q->mmap_lock); + + for (i =3D start; i < start + count && i < q->max_num_buffers; i++) { + struct vb2_buffer *vb =3D vb2_get_buffer(q, i); + + if (!vb) { + ret =3D -EINVAL; + goto unlock; + } + if (vb->state !=3D VB2_BUF_STATE_DEQUEUED) { + ret =3D -EINVAL; + goto unlock; + } + } + __vb2_queue_free(q, start, count); + dprintk(q, 2, "buffers deleted\n"); + +unlock: + mutex_unlock(&q->mmap_lock); + return ret; +} +EXPORT_SYMBOL_GPL(vb2_core_delete_bufs); + /* * vb2_start_streaming() - Attempt to start streaming. * @q: videobuf2 queue diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/medi= a/common/videobuf2/videobuf2-v4l2.c index 6d9f1be41a19..dc33d7e2a228 100644 --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c @@ -696,6 +696,8 @@ static void fill_buf_caps(struct vb2_queue *q, u32 *cap= s) if (q->supports_requests) *caps |=3D V4L2_BUF_CAP_SUPPORTS_REQUESTS; #endif + if (q->supports_delete_bufs) + *caps |=3D V4L2_BUF_CAP_SUPPORTS_DELETE_BUFS; } =20 static void validate_memory_flags(struct vb2_queue *q, @@ -753,6 +755,12 @@ int vb2_prepare_buf(struct vb2_queue *q, struct media_= device *mdev, } EXPORT_SYMBOL_GPL(vb2_prepare_buf); =20 +int vb2_delete_bufs(struct vb2_queue *q, struct v4l2_delete_buffers *d) +{ + return vb2_core_delete_bufs(q, d->index, d->count); +} +EXPORT_SYMBOL_GPL(vb2_delete_bufs); + int vb2_create_bufs(struct vb2_queue *q, struct v4l2_create_buffers *creat= e) { unsigned requested_planes =3D 1; @@ -1015,6 +1023,18 @@ EXPORT_SYMBOL_GPL(vb2_poll); =20 /* vb2 ioctl helpers */ =20 +int vb2_ioctl_delete_bufs(struct file *file, void *priv, + struct v4l2_delete_buffers *p) +{ + struct video_device *vdev =3D video_devdata(file); + + if (vb2_queue_is_busy(vdev->queue, file)) + return -EBUSY; + + return vb2_delete_bufs(vdev->queue, p); +} +EXPORT_SYMBOL_GPL(vb2_ioctl_delete_bufs); + int vb2_ioctl_reqbufs(struct file *file, void *priv, struct v4l2_requestbuffers *p) { diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v= 4l2-dev.c index f81279492682..215654fd6581 100644 --- a/drivers/media/v4l2-core/v4l2-dev.c +++ b/drivers/media/v4l2-core/v4l2-dev.c @@ -720,6 +720,7 @@ static void determine_valid_ioctls(struct video_device = *vdev) SET_VALID_IOCTL(ops, VIDIOC_PREPARE_BUF, vidioc_prepare_buf); SET_VALID_IOCTL(ops, VIDIOC_STREAMON, vidioc_streamon); SET_VALID_IOCTL(ops, VIDIOC_STREAMOFF, vidioc_streamoff); + SET_VALID_IOCTL(ops, VIDIOC_DELETE_BUFS, vidioc_delete_bufs); } =20 if (is_vid || is_vbi || is_meta) { diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core= /v4l2-ioctl.c index 700db197e371..4514fa42c31f 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -489,6 +489,13 @@ static void v4l_print_create_buffers(const void *arg, = bool write_only) v4l_print_format(&p->format, write_only); } =20 +static void v4l_print_delete_buffers(const void *arg, bool write_only) +{ + const struct v4l2_delete_buffers *p =3D arg; + + pr_cont("index=3D%u, count=3D%u\n", p->index, p->count); +} + static void v4l_print_streamparm(const void *arg, bool write_only) { const struct v4l2_streamparm *p =3D arg; @@ -2160,6 +2167,15 @@ static int v4l_prepare_buf(const struct v4l2_ioctl_o= ps *ops, return ret ? ret : ops->vidioc_prepare_buf(file, fh, b); } =20 +static int v4l_delete_bufs(const struct v4l2_ioctl_ops *ops, + struct file *file, void *fh, void *arg) +{ + struct v4l2_delete_buffers *delete =3D arg; + int ret =3D check_fmt(file, delete->type); + + return ret ? ret : ops->vidioc_delete_bufs(file, fh, delete); +} + static int v4l_g_parm(const struct v4l2_ioctl_ops *ops, struct file *file, void *fh, void *arg) { @@ -2909,6 +2925,7 @@ static const struct v4l2_ioctl_info v4l2_ioctls[] =3D= { IOCTL_INFO(VIDIOC_ENUM_FREQ_BANDS, v4l_enum_freq_bands, v4l_print_freq_ba= nd, 0), IOCTL_INFO(VIDIOC_DBG_G_CHIP_INFO, v4l_dbg_g_chip_info, v4l_print_dbg_chi= p_info, INFO_FL_CLEAR(v4l2_dbg_chip_info, match)), IOCTL_INFO(VIDIOC_QUERY_EXT_CTRL, v4l_query_ext_ctrl, v4l_print_query_ext= _ctrl, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_query_ext_ctrl, id)), + IOCTL_INFO(VIDIOC_DELETE_BUFS, v4l_delete_bufs, v4l_print_delete_buffers,= INFO_FL_PRIO | INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_delete_buffers, type)), }; #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) =20 diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h index edb733f21604..55afbde54211 100644 --- a/include/media/v4l2-ioctl.h +++ b/include/media/v4l2-ioctl.h @@ -163,6 +163,8 @@ struct v4l2_fh; * :ref:`VIDIOC_CREATE_BUFS ` ioctl * @vidioc_prepare_buf: pointer to the function that implements * :ref:`VIDIOC_PREPARE_BUF ` ioctl + * @vidioc_delete_bufs: pointer to the function that implements + * :ref:`VIDIOC_DELETE_BUFS ` ioctl * @vidioc_overlay: pointer to the function that implements * :ref:`VIDIOC_OVERLAY ` ioctl * @vidioc_g_fbuf: pointer to the function that implements @@ -422,6 +424,8 @@ struct v4l2_ioctl_ops { struct v4l2_create_buffers *b); int (*vidioc_prepare_buf)(struct file *file, void *fh, struct v4l2_buffer *b); + int (*vidioc_delete_bufs)(struct file *file, void *fh, + struct v4l2_delete_buffers *d); =20 int (*vidioc_overlay)(struct file *file, void *fh, unsigned int i); int (*vidioc_g_fbuf)(struct file *file, void *fh, diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index fc1fcd8faa64..29c34947098e 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -507,6 +507,7 @@ struct vb2_buf_ops { * @supports_requests: this queue supports the Request API. * @requires_requests: this queue requires the Request API. If this is set= to 1, * then supports_requests must be set to 1 as well. + * @supports_delete_bufs: this queue supports DELETE_BUFS ioctl. * @uses_qbuf: qbuf was used directly for this queue. Set to 1 the first * time this is called. Set to 0 when the queue is canceled. * If this is 1, then you cannot queue buffers from a request. @@ -595,6 +596,7 @@ struct vb2_queue { unsigned int quirk_poll_must_check_waiting_for_buffers:1; unsigned int supports_requests:1; unsigned int requires_requests:1; + unsigned int supports_delete_bufs:1; unsigned int uses_qbuf:1; unsigned int uses_requests:1; unsigned int allow_cache_hints:1; @@ -846,6 +848,16 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum vb2= _memory memory, */ int vb2_core_prepare_buf(struct vb2_queue *q, struct vb2_buffer *vb, void = *pb); =20 +/** + * vb2_core_delete_bufs() - + * @q: pointer to &struct vb2_queue with videobuf2 queue. + * @start: first index of the range of buffers to delete. + * @count: number of buffers to delete. + * + * Return: returns zero on success; an error code otherwise. + */ +int vb2_core_delete_bufs(struct vb2_queue *q, unsigned int start, unsigned= int count); + /** * vb2_core_qbuf() - Queue a buffer from userspace * diff --git a/include/media/videobuf2-v4l2.h b/include/media/videobuf2-v4l2.h index 5a845887850b..79cea8459f52 100644 --- a/include/media/videobuf2-v4l2.h +++ b/include/media/videobuf2-v4l2.h @@ -118,6 +118,17 @@ int vb2_create_bufs(struct vb2_queue *q, struct v4l2_c= reate_buffers *create); */ int vb2_prepare_buf(struct vb2_queue *q, struct media_device *mdev, struct v4l2_buffer *b); +/** + * vb2_delete_bufs() - Delete buffers from the queue + * + * @q: pointer to &struct vb2_queue with videobuf2 queue. + * @d: delete parameter, passed from userspace to + * &v4l2_ioctl_ops->vidioc_delete_bufs handler in driver + * + * The return values from this function are intended to be directly return= ed + * from &v4l2_ioctl_ops->vidioc_delete_bufs handler in driver. + */ +int vb2_delete_bufs(struct vb2_queue *q, struct v4l2_delete_buffers *d); =20 /** * vb2_qbuf() - Queue a buffer from userspace @@ -334,6 +345,8 @@ int vb2_ioctl_streamon(struct file *file, void *priv, e= num v4l2_buf_type i); int vb2_ioctl_streamoff(struct file *file, void *priv, enum v4l2_buf_type = i); int vb2_ioctl_expbuf(struct file *file, void *priv, struct v4l2_exportbuffer *p); +int vb2_ioctl_delete_bufs(struct file *file, void *priv, + struct v4l2_delete_buffers *p); =20 /* struct v4l2_file_operations helpers */ =20 diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index b0dbb1be728c..49c50e31c2b3 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -1035,6 +1035,7 @@ struct v4l2_requestbuffers { #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) #define V4L2_BUF_CAP_SUPPORTS_SET_MAX_BUFS (1 << 7) +#define V4L2_BUF_CAP_SUPPORTS_DELETE_BUFS (1 << 8) =20 /** * struct v4l2_plane - plane info for multi-planar buffers @@ -2621,6 +2622,20 @@ struct v4l2_create_buffers { __u32 reserved[5]; }; =20 +/** + * struct v4l2_delete_buffers - VIDIOC_DELETE_BUFS argument + * @index: the first buffer to be deleted + * @count: number of buffers to delete + * @type: enum v4l2_buf_type + * @reserved: future extensions + */ +struct v4l2_delete_buffers { + __u32 index; + __u32 count; + __u32 type; + __u32 reserved[13]; +}; + /* * I O C T L C O D E S F O R V I D E O D E V I C E S * @@ -2720,6 +2735,8 @@ struct v4l2_create_buffers { #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) =20 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) +#define VIDIOC_DELETE_BUFS _IOWR('V', 104, struct v4l2_delete_buffers) + =20 /* Reminder: when adding new ioctls please add support for them to drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8CD17E784AC for ; Mon, 2 Oct 2023 12:09:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237395AbjJBMJB (ORCPT ); Mon, 2 Oct 2023 08:09:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237179AbjJBMHF (ORCPT ); Mon, 2 Oct 2023 08:07:05 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E2A46CCD; Mon, 2 Oct 2023 05:06:53 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 477E1660739B; Mon, 2 Oct 2023 13:06:52 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248412; bh=jDPDI95HlRE0YbU8tWH1tF/YAu4YVw3uRkbYqHG/IGc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OF1tMbtCLK3VUt6b0OB8SzAvQ3TZQubhX/CSBCAVVD9UvHI15alxR/0nLG0rKDCVB 8csVmdrbC45HtcXWzhSJ2zaf5ae1ShQOdJp7eEdSPA6p6ImQfuQn0T3xJprdPnVGF+ 1mrNuamKQGYsCyrWFeVQNaeRmnfJ67suZnJZkH6G3Hzj+CNLSdcqGm4VWlNNiEEhBB dUMIsYd4+8U+lY+FFY+axBiZmlB0UlxjWfsKywfHh+Xm0TFg/vGojTN2L3Zn13IoLq Cd4U5a95nXNxx9fhN2PW5zDLENLrK4VrnkRn60B+apwYCn8T5AByQv+/MSxIhQlAC/ Sp0ClgsFYL9Rg== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 52/53] media: v4l2: Add mem2mem helpers for DELETE_BUFS ioctl Date: Mon, 2 Oct 2023 14:06:16 +0200 Message-Id: <20231002120617.119602-53-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Create v4l2-mem2mem helpers for VIDIOC_DELETE_BUFS ioctl. Signed-off-by: Benjamin Gaignard --- .../media/platform/verisilicon/hantro_drv.c | 1 + .../media/platform/verisilicon/hantro_v4l2.c | 1 + drivers/media/test-drivers/vim2m.c | 2 ++ drivers/media/v4l2-core/v4l2-mem2mem.c | 20 +++++++++++++++++++ include/media/v4l2-mem2mem.h | 12 +++++++++++ 5 files changed, 36 insertions(+) diff --git a/drivers/media/platform/verisilicon/hantro_drv.c b/drivers/medi= a/platform/verisilicon/hantro_drv.c index ad6b086f0526..1195a163d9e8 100644 --- a/drivers/media/platform/verisilicon/hantro_drv.c +++ b/drivers/media/platform/verisilicon/hantro_drv.c @@ -247,6 +247,7 @@ queue_init(void *priv, struct vb2_queue *src_vq, struct= vb2_queue *dst_vq) dst_vq->timestamp_flags =3D V4L2_BUF_FLAG_TIMESTAMP_COPY; dst_vq->lock =3D &ctx->dev->vpu_mutex; dst_vq->dev =3D ctx->dev->v4l2_dev.dev; + src_vq->supports_delete_bufs =3D true; =20 return vb2_queue_init(dst_vq); } diff --git a/drivers/media/platform/verisilicon/hantro_v4l2.c b/drivers/med= ia/platform/verisilicon/hantro_v4l2.c index 27a1e77cca38..0fd1c2fc78c8 100644 --- a/drivers/media/platform/verisilicon/hantro_v4l2.c +++ b/drivers/media/platform/verisilicon/hantro_v4l2.c @@ -756,6 +756,7 @@ const struct v4l2_ioctl_ops hantro_ioctl_ops =3D { .vidioc_dqbuf =3D v4l2_m2m_ioctl_dqbuf, .vidioc_prepare_buf =3D v4l2_m2m_ioctl_prepare_buf, .vidioc_create_bufs =3D v4l2_m2m_ioctl_create_bufs, + .vidioc_delete_bufs =3D v4l2_m2m_ioctl_delete_bufs, .vidioc_expbuf =3D v4l2_m2m_ioctl_expbuf, =20 .vidioc_subscribe_event =3D v4l2_ctrl_subscribe_event, diff --git a/drivers/media/test-drivers/vim2m.c b/drivers/media/test-driver= s/vim2m.c index 3e3b424b4860..17213ce42059 100644 --- a/drivers/media/test-drivers/vim2m.c +++ b/drivers/media/test-drivers/vim2m.c @@ -960,6 +960,7 @@ static const struct v4l2_ioctl_ops vim2m_ioctl_ops =3D { .vidioc_dqbuf =3D v4l2_m2m_ioctl_dqbuf, .vidioc_prepare_buf =3D v4l2_m2m_ioctl_prepare_buf, .vidioc_create_bufs =3D v4l2_m2m_ioctl_create_bufs, + .vidioc_delete_bufs =3D v4l2_m2m_ioctl_delete_bufs, .vidioc_expbuf =3D v4l2_m2m_ioctl_expbuf, =20 .vidioc_streamon =3D v4l2_m2m_ioctl_streamon, @@ -1133,6 +1134,7 @@ static int queue_init(void *priv, struct vb2_queue *s= rc_vq, dst_vq->mem_ops =3D &vb2_vmalloc_memops; dst_vq->timestamp_flags =3D V4L2_BUF_FLAG_TIMESTAMP_COPY; dst_vq->lock =3D &ctx->vb_mutex; + dst_vq->supports_delete_bufs =3D true; =20 return vb2_queue_init(dst_vq); } diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-co= re/v4l2-mem2mem.c index 0cc30397fbad..d1d59943680f 100644 --- a/drivers/media/v4l2-core/v4l2-mem2mem.c +++ b/drivers/media/v4l2-core/v4l2-mem2mem.c @@ -831,6 +831,17 @@ int v4l2_m2m_prepare_buf(struct file *file, struct v4l= 2_m2m_ctx *m2m_ctx, } EXPORT_SYMBOL_GPL(v4l2_m2m_prepare_buf); =20 +int v4l2_m2m_delete_bufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, + struct v4l2_delete_buffers *d) +{ + struct vb2_queue *vq; + + vq =3D v4l2_m2m_get_vq(m2m_ctx, d->type); + + return vb2_delete_bufs(vq, d); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_delete_bufs); + int v4l2_m2m_create_bufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct v4l2_create_buffers *create) { @@ -1377,6 +1388,15 @@ int v4l2_m2m_ioctl_create_bufs(struct file *file, vo= id *priv, } EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_create_bufs); =20 +int v4l2_m2m_ioctl_delete_bufs(struct file *file, void *priv, + struct v4l2_delete_buffers *d) +{ + struct v4l2_fh *fh =3D file->private_data; + + return v4l2_m2m_delete_bufs(file, fh->m2m_ctx, d); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_delete_bufs); + int v4l2_m2m_ioctl_querybuf(struct file *file, void *priv, struct v4l2_buffer *buf) { diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h index d6c8eb2b5201..161f85c42dc8 100644 --- a/include/media/v4l2-mem2mem.h +++ b/include/media/v4l2-mem2mem.h @@ -381,6 +381,16 @@ int v4l2_m2m_dqbuf(struct file *file, struct v4l2_m2m_= ctx *m2m_ctx, int v4l2_m2m_prepare_buf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct v4l2_buffer *buf); =20 +/** + * v4l2_m2m_delete_bufs() - delete buffers from the queue + * + * @file: pointer to struct &file + * @m2m_ctx: m2m context assigned to the instance given by struct &v4l2_m2= m_ctx + * @d: pointer to struct &v4l2_delete_buffers + */ +int v4l2_m2m_delete_bufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, + struct v4l2_delete_buffers *d); + /** * v4l2_m2m_create_bufs() - create a source or destination buffer, dependi= ng * on the type @@ -860,6 +870,8 @@ int v4l2_m2m_ioctl_reqbufs(struct file *file, void *pri= v, struct v4l2_requestbuffers *rb); int v4l2_m2m_ioctl_create_bufs(struct file *file, void *fh, struct v4l2_create_buffers *create); +int v4l2_m2m_ioctl_delete_bufs(struct file *file, void *priv, + struct v4l2_delete_buffers *d); int v4l2_m2m_ioctl_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf); int v4l2_m2m_ioctl_expbuf(struct file *file, void *fh, --=20 2.39.2 From nobody Fri Sep 20 09:32:58 2024 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A00E0E784AD for ; Mon, 2 Oct 2023 12:09:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237473AbjJBMJN (ORCPT ); Mon, 2 Oct 2023 08:09:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237246AbjJBMH1 (ORCPT ); Mon, 2 Oct 2023 08:07:27 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A269CD5; Mon, 2 Oct 2023 05:06:54 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:9537:67ca:c85e:d0ae]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id CA6A466072FF; Mon, 2 Oct 2023 13:06:52 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1696248413; bh=od83LmKhAhKbqGYrw7/WB9PaXmjqloXPSjvbzmBGKQc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MwEu2RDaqNdzfCpe2lEPxAGZL1HvbPYCium4whDwOPYV6g6O+CUJ29sIdq5Nl7rKm bxIqY6eMPgTa+uKAlkJL2MwMvM+5+kf5QlRQDkcGcpD+QClZW6BdYx2FwMJ755h7p0 OYU2CJFTMtbc/wY6xLQw2QylvrSFFyt8Cd0wBxktbtc+UWE38rposle96GzcRNOycD Hp7N4cUuPLtomDdz4K3yKhp2+z8z/V16FxeEDNoyOX3RI86W8T55OKo4bY4VxKUFEh C9ite1KQkos4uB7Pf4ERm96oeNBIW1SC/6halIdiieBPN+VfznxZV7OoZ1sQzZbPnX P4HTV3kzRUl7g== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v9 53/53] media: test-drivers: Use helper for DELETE_BUFS ioctl Date: Mon, 2 Oct 2023 14:06:17 +0200 Message-Id: <20231002120617.119602-54-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231002120617.119602-1-benjamin.gaignard@collabora.com> References: <20231002120617.119602-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Allow test drivers to use DELETE_BUFS by adding vb2_ioctl_delete_bufs() hel= per. Signed-off-by: Benjamin Gaignard --- drivers/media/test-drivers/vicodec/vicodec-core.c | 2 ++ drivers/media/test-drivers/vimc/vimc-capture.c | 2 ++ drivers/media/test-drivers/visl/visl-video.c | 2 ++ drivers/media/test-drivers/vivid/vivid-core.c | 13 ++++++++++--- 4 files changed, 16 insertions(+), 3 deletions(-) diff --git a/drivers/media/test-drivers/vicodec/vicodec-core.c b/drivers/me= dia/test-drivers/vicodec/vicodec-core.c index 69cbe2c094e1..f14a8fd506d0 100644 --- a/drivers/media/test-drivers/vicodec/vicodec-core.c +++ b/drivers/media/test-drivers/vicodec/vicodec-core.c @@ -1339,6 +1339,7 @@ static const struct v4l2_ioctl_ops vicodec_ioctl_ops = =3D { .vidioc_prepare_buf =3D v4l2_m2m_ioctl_prepare_buf, .vidioc_create_bufs =3D v4l2_m2m_ioctl_create_bufs, .vidioc_expbuf =3D v4l2_m2m_ioctl_expbuf, + .vidioc_delete_bufs =3D v4l2_m2m_ioctl_delete_bufs, =20 .vidioc_streamon =3D v4l2_m2m_ioctl_streamon, .vidioc_streamoff =3D v4l2_m2m_ioctl_streamoff, @@ -1725,6 +1726,7 @@ static int queue_init(void *priv, struct vb2_queue *s= rc_vq, dst_vq->mem_ops =3D &vb2_vmalloc_memops; dst_vq->timestamp_flags =3D V4L2_BUF_FLAG_TIMESTAMP_COPY; dst_vq->lock =3D src_vq->lock; + dst_vq->supports_delete_bufs =3D true; =20 return vb2_queue_init(dst_vq); } diff --git a/drivers/media/test-drivers/vimc/vimc-capture.c b/drivers/media= /test-drivers/vimc/vimc-capture.c index aa944270e716..fda7ea3a6cb6 100644 --- a/drivers/media/test-drivers/vimc/vimc-capture.c +++ b/drivers/media/test-drivers/vimc/vimc-capture.c @@ -221,6 +221,7 @@ static const struct v4l2_ioctl_ops vimc_capture_ioctl_o= ps =3D { .vidioc_expbuf =3D vb2_ioctl_expbuf, .vidioc_streamon =3D vb2_ioctl_streamon, .vidioc_streamoff =3D vb2_ioctl_streamoff, + .vidioc_delete_bufs =3D vb2_ioctl_delete_bufs, }; =20 static void vimc_capture_return_all_buffers(struct vimc_capture_device *vc= apture, @@ -435,6 +436,7 @@ static struct vimc_ent_device *vimc_capture_add(struct = vimc_device *vimc, q->min_buffers_needed =3D 2; q->lock =3D &vcapture->lock; q->dev =3D v4l2_dev->dev; + q->supports_delete_bufs =3D true; =20 ret =3D vb2_queue_init(q); if (ret) { diff --git a/drivers/media/test-drivers/visl/visl-video.c b/drivers/media/t= est-drivers/visl/visl-video.c index 7cac6a6456eb..bd6c112f7846 100644 --- a/drivers/media/test-drivers/visl/visl-video.c +++ b/drivers/media/test-drivers/visl/visl-video.c @@ -521,6 +521,7 @@ const struct v4l2_ioctl_ops visl_ioctl_ops =3D { .vidioc_prepare_buf =3D v4l2_m2m_ioctl_prepare_buf, .vidioc_create_bufs =3D v4l2_m2m_ioctl_create_bufs, .vidioc_expbuf =3D v4l2_m2m_ioctl_expbuf, + .vidioc_delete_bufs =3D v4l2_m2m_ioctl_delete_bufs, =20 .vidioc_streamon =3D v4l2_m2m_ioctl_streamon, .vidioc_streamoff =3D v4l2_m2m_ioctl_streamoff, @@ -728,6 +729,7 @@ int visl_queue_init(void *priv, struct vb2_queue *src_v= q, dst_vq->mem_ops =3D &vb2_vmalloc_memops; dst_vq->timestamp_flags =3D V4L2_BUF_FLAG_TIMESTAMP_COPY; dst_vq->lock =3D &ctx->vb_mutex; + dst_vq->supports_delete_bufs =3D true; =20 return vb2_queue_init(dst_vq); } diff --git a/drivers/media/test-drivers/vivid/vivid-core.c b/drivers/media/= test-drivers/vivid/vivid-core.c index 58a059140365..2ed8847ce86e 100644 --- a/drivers/media/test-drivers/vivid/vivid-core.c +++ b/drivers/media/test-drivers/vivid/vivid-core.c @@ -769,6 +769,7 @@ static const struct v4l2_ioctl_ops vivid_ioctl_ops =3D { .vidioc_expbuf =3D vb2_ioctl_expbuf, .vidioc_streamon =3D vb2_ioctl_streamon, .vidioc_streamoff =3D vb2_ioctl_streamoff, + .vidioc_delete_bufs =3D vb2_ioctl_delete_bufs, =20 .vidioc_enum_input =3D vivid_enum_input, .vidioc_g_input =3D vivid_g_input, @@ -876,12 +877,18 @@ static int vivid_create_queue(struct vivid_dev *dev, q->type =3D buf_type; q->io_modes =3D VB2_MMAP | VB2_DMABUF; q->io_modes |=3D V4L2_TYPE_IS_OUTPUT(buf_type) ? VB2_WRITE : VB2_READ; - if (buf_type =3D=3D V4L2_BUF_TYPE_VIDEO_CAPTURE) + if (buf_type =3D=3D V4L2_BUF_TYPE_VIDEO_CAPTURE) { q->max_num_buffers =3D 64; - if (buf_type =3D=3D V4L2_BUF_TYPE_SDR_CAPTURE) + q->supports_delete_bufs =3D true; + } + if (buf_type =3D=3D V4L2_BUF_TYPE_SDR_CAPTURE) { q->max_num_buffers =3D 1024; - if (buf_type =3D=3D V4L2_BUF_TYPE_VBI_CAPTURE) + q->supports_delete_bufs =3D true; + } + if (buf_type =3D=3D V4L2_BUF_TYPE_VBI_CAPTURE) { q->max_num_buffers =3D 32768; + q->supports_delete_bufs =3D true; + } =20 if (allocators[dev->inst] !=3D 1) q->io_modes |=3D VB2_USERPTR; --=20 2.39.2