From nobody Thu Nov 14 17:24:49 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 843ABEB64DB for ; Thu, 22 Jun 2023 13:15:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231211AbjFVNPI (ORCPT ); Thu, 22 Jun 2023 09:15:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231623AbjFVNOG (ORCPT ); Thu, 22 Jun 2023 09:14:06 -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 46D721BF6; Thu, 22 Jun 2023 06:14:04 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:7d72:676c:e745:a6ef]) (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 BD701660713E; Thu, 22 Jun 2023 14:14:02 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1687439643; bh=w7TelsLJmHPPFBbH7cdd4Q4u9mfk8qz6m8m3ILNeG3Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=drrv7EArNlrMc2bqooR2UXQWYueWvIBP+Y1UDX7ZsxJ63fm9MWRTLdvcy/nd3MtmR 1tAPfYMWNjrmPUNRS0XxCwqXho+WBGpGewAnYEE2Ie+xdCEP8PrQjPE1/As1XTSeyn xo3B32kzTLEBtIyn4PJwr+EjAOq7FA6fpFlwXN2Z3uefoRQqtw9FpEHPug6LThebK/ Phxk51rtR7zmF4yR5QN7vIcsJ7/u5EPHjYGDIFfcOkODSzlshf3WIBEh+wamPxDcUG cWTeOwNzSOsFR7WozNP+PQ3eLDCtl+RCP7lgpfh103fQjpIRJovqxw58Wv7OnDvRLI iyFgvrTal3KYg== 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 v3 11/11] media: v4l2: Add mem2mem helpers for DELETE_BUF ioctl Date: Thu, 22 Jun 2023 15:13:49 +0200 Message-Id: <20230622131349.144160-12-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230622131349.144160-1-benjamin.gaignard@collabora.com> References: <20230622131349.144160-1-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_BUF ioctl. Signed-off-by: Benjamin Gaignard --- .../media/platform/verisilicon/hantro_v4l2.c | 1 + drivers/media/test-drivers/vim2m.c | 1 + drivers/media/v4l2-core/v4l2-mem2mem.c | 20 +++++++++++++++++++ include/media/v4l2-mem2mem.h | 12 +++++++++++ 4 files changed, 34 insertions(+) diff --git a/drivers/media/platform/verisilicon/hantro_v4l2.c b/drivers/med= ia/platform/verisilicon/hantro_v4l2.c index cdddfb4179aa..bf418191278f 100644 --- a/drivers/media/platform/verisilicon/hantro_v4l2.c +++ b/drivers/media/platform/verisilicon/hantro_v4l2.c @@ -720,6 +720,7 @@ 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_buf =3D v4l2_m2m_ioctl_delete_buf, .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..3014b8ee13d0 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_buf =3D v4l2_m2m_ioctl_delete_buf, .vidioc_expbuf =3D v4l2_m2m_ioctl_expbuf, =20 .vidioc_streamon =3D v4l2_m2m_ioctl_streamon, diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-co= re/v4l2-mem2mem.c index 0cc30397fbad..42f51ca25379 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_buf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, + struct v4l2_buffer *buf) +{ + struct vb2_queue *vq; + + vq =3D v4l2_m2m_get_vq(m2m_ctx, buf->type); + + return vb2_delete_buf(vq, buf); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_delete_buf); + 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_buf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct v4l2_fh *fh =3D file->private_data; + + return v4l2_m2m_delete_buf(file, fh->m2m_ctx, buf); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_delete_buf); + 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 bb9de6a899e0..d062a35c8246 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_buf() - delete buffer from the queue + * + * @file: pointer to struct &file + * @m2m_ctx: m2m context assigned to the instance given by struct &v4l2_m2= m_ctx + * @buf: pointer to struct &v4l2_buffer + */ +int v4l2_m2m_delete_buf(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, + struct v4l2_buffer *buf); + /** * v4l2_m2m_create_bufs() - create a source or destination buffer, dependi= ng * on the type @@ -846,6 +856,8 @@ 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_buf(struct file *file, void *priv, + struct v4l2_buffer *buf); 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