From nobody Sun Sep 22 13:37:00 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 18D90C433F5 for ; Wed, 12 Jan 2022 09:50:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352334AbiALJuF (ORCPT ); Wed, 12 Jan 2022 04:50:05 -0500 Received: from mailgw01.mediatek.com ([60.244.123.138]:55470 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1352276AbiALJtt (ORCPT ); Wed, 12 Jan 2022 04:49:49 -0500 X-UUID: ca3da193bb3645c39b010c81cc2b225c-20220112 X-UUID: ca3da193bb3645c39b010c81cc2b225c-20220112 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1532344119; Wed, 12 Jan 2022 17:49:46 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 12 Jan 2022 17:49:44 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 12 Jan 2022 17:49:43 +0800 From: Yunfei Dong To: Yunfei Dong , Alexandre Courbot , Hans Verkuil , Tzung-Bi Shih , Tiffany Lin , Andrew-CT Chen , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Tomasz Figa CC: George Sun , Xiaoyong Lu , Hsin-Yi Wang , Fritz Koenig , Dafna Hirschfeld , Benjamin Gaignard , Daniel Vetter , dri-devel , Irui Wang , AngeloGioacchino Del Regno , Steve Cho , , , , , , , Subject: [PATCH v18, 12/19] media: mtk-vcodec: Add new interface to lock different hardware Date: Wed, 12 Jan 2022 17:49:16 +0800 Message-ID: <20220112094923.16839-13-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220112094923.16839-1-yunfei.dong@mediatek.com> References: <20220112094923.16839-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" For add new hardware, not only need to lock lat hardware, also need to lock core hardware in case of different instance start to decoder at the same time. Signed-off-by: Yunfei Dong Reviewed-by: AngeloGioacchino Del Regno --- drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c | 4 ++-- drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 5 +++-- drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h | 2 +- 3 files changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c b/drivers/m= edia/platform/mtk-vcodec/mtk_vcodec_dec.c index 2b334a8a81c6..130ecef2e766 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c @@ -105,12 +105,12 @@ static int vidioc_decoder_cmd(struct file *file, void= *priv, =20 void mtk_vdec_unlock(struct mtk_vcodec_ctx *ctx) { - mutex_unlock(&ctx->dev->dec_mutex); + mutex_unlock(&ctx->dev->dec_mutex[ctx->hw_id]); } =20 void mtk_vdec_lock(struct mtk_vcodec_ctx *ctx) { - mutex_lock(&ctx->dev->dec_mutex); + mutex_lock(&ctx->dev->dec_mutex[ctx->hw_id]); } =20 void mtk_vcodec_dec_release(struct mtk_vcodec_ctx *ctx) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drive= rs/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c index 64359cf692f5..471b8c6ba7f2 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -279,7 +279,7 @@ static int mtk_vcodec_probe(struct platform_device *pde= v) struct video_device *vfd_dec; phandle rproc_phandle; enum mtk_vcodec_fw_type fw_type; - int ret; + int i, ret; =20 dev =3D devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); if (!dev) @@ -311,7 +311,8 @@ static int mtk_vcodec_probe(struct platform_device *pde= v) goto err_dec_pm; } =20 - mutex_init(&dev->dec_mutex); + for (i =3D 0; i < MTK_VDEC_HW_MAX; i++) + mutex_init(&dev->dec_mutex[i]); mutex_init(&dev->dev_mutex); spin_lock_init(&dev->irqlock); =20 diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/m= edia/platform/mtk-vcodec/mtk_vcodec_drv.h index d74ca88de827..ae8e9adb389a 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -500,7 +500,7 @@ struct mtk_vcodec_dev { int dec_irq; int enc_irq; =20 - struct mutex dec_mutex; + struct mutex dec_mutex[MTK_VDEC_HW_MAX]; struct mutex enc_mutex; =20 struct mtk_vcodec_pm pm; --=20 2.25.1