From patchwork Wed Dec 15 06:15:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 524419 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 46FD4C43217 for ; Wed, 15 Dec 2021 06:16:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240175AbhLOGQU (ORCPT ); Wed, 15 Dec 2021 01:16:20 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:42574 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S240161AbhLOGQR (ORCPT ); Wed, 15 Dec 2021 01:16:17 -0500 X-UUID: b4308e76cf6c423baac6e89017cd65a7-20211215 X-UUID: b4308e76cf6c423baac6e89017cd65a7-20211215 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 233574188; Wed, 15 Dec 2021 14:16:13 +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, 15 Dec 2021 14:16:11 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (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, 15 Dec 2021 14:16:10 +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: Hsin-Yi Wang , Fritz Koenig , Dafna Hirschfeld , Benjamin Gaignard , Daniel Vetter , dri-devel , Irui Wang , AngeloGioacchino Del Regno , Steve Cho , , , , , , , Subject: [PATCH v14, 12/19] media: mtk-vcodec: Add new interface to lock different hardware Date: Wed, 15 Dec 2021 14:15:45 +0800 Message-ID: <20211215061552.8523-13-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211215061552.8523-1-yunfei.dong@mediatek.com> References: <20211215061552.8523-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org 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 | 6 +++--- drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h | 2 +- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c b/drivers/media/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, void mtk_vdec_unlock(struct mtk_vcodec_ctx *ctx) { - mutex_unlock(&ctx->dev->dec_mutex); + mutex_unlock(&ctx->dev->dec_mutex[ctx->hw_id]); } void mtk_vdec_lock(struct mtk_vcodec_ctx *ctx) { - mutex_lock(&ctx->dev->dec_mutex); + mutex_lock(&ctx->dev->dec_mutex[ctx->hw_id]); } void mtk_vcodec_dec_release(struct mtk_vcodec_ctx *ctx) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c index 7af49d0be737..63b8a2341835 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -282,7 +282,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev) struct video_device *vfd_dec; phandle rproc_phandle; enum mtk_vcodec_fw_type fw_type; - int ret; + int i, ret; dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); if (!dev) @@ -314,8 +314,8 @@ static int mtk_vcodec_probe(struct platform_device *pdev) goto err_dec_pm; } - mutex_init(&dev->dec_mutex); - mutex_init(&dev->dev_mutex); + for (i = 0; i < MTK_VDEC_HW_MAX; i++) + mutex_init(&dev->dec_mutex[i]); spin_lock_init(&dev->irqlock); snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name), "%s", diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h index adc5998ed424..517515ee9ac4 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; - struct mutex dec_mutex; + struct mutex dec_mutex[MTK_VDEC_HW_MAX]; struct mutex enc_mutex; struct mtk_vcodec_pm pm;