@@ -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)
@@ -397,7 +397,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
phandle rproc_phandle;
enum mtk_vcodec_fw_type fw_type;
struct device_node *comp_node;
- int ret;
+ int i, ret;
dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
if (!dev)
@@ -437,7 +437,8 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
goto err_res;
}
- 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);
@@ -513,7 +513,7 @@ 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;
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 <yunfei.dong@mediatek.com> --- v2: no changes --- 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(-)