From: Yunfei Dong Date: Thu, 13 Jan 2022 04:10:49 +0000 (+0100) Subject: media: mtk-vcodec: Add new interface to lock different hardware X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=66e860ffed725d129a5fc9511c237758379bb9e7;p=linux.git media: mtk-vcodec: Add new interface to lock different hardware 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 Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c index 2b334a8a81c62..130ecef2e7664 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 ffc4ba698876e..d592104023d9c 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 *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) @@ -311,7 +311,8 @@ static int mtk_vcodec_probe(struct platform_device *pdev) goto err_dec_pm; } - mutex_init(&dev->dec_mutex); + for (i = 0; i < MTK_VDEC_HW_MAX; i++) + mutex_init(&dev->dec_mutex[i]); mutex_init(&dev->dev_mutex); spin_lock_init(&dev->irqlock); diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h index 4d3fd2a7a56ee..cefac02624263 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -500,7 +500,8 @@ struct mtk_vcodec_dev { int dec_irq; int enc_irq; - struct mutex dec_mutex; + /* decoder hardware mutex lock */ + struct mutex dec_mutex[MTK_VDEC_HW_MAX]; struct mutex enc_mutex; struct mtk_vcodec_pm pm;