Without these ops the v4l2-compliance blocking wait test will fail. These ops are required to ensure that when VIDIOC_DQBUF has to wait for buffers to arrive, the queue lock is correctly released and retaken. Otherwise the wait for a buffer would block all other queue ioctls. Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> Cc: Stanimir Varbanov <stanimir.k.varbanov@xxxxxxxxx> --- drivers/media/platform/qcom/venus/vdec.c | 2 ++ drivers/media/platform/qcom/venus/venc.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c index d12089370d91..666309f684f1 100644 --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -1390,6 +1390,8 @@ static const struct vb2_ops vdec_vb2_ops = { .buf_prepare = venus_helper_vb2_buf_prepare, .start_streaming = vdec_start_streaming, .stop_streaming = vdec_stop_streaming, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, .buf_queue = vdec_vb2_buf_queue, }; diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c index 3ec2fb8d9fab..5804a4911537 100644 --- a/drivers/media/platform/qcom/venus/venc.c +++ b/drivers/media/platform/qcom/venus/venc.c @@ -1319,6 +1319,8 @@ static const struct vb2_ops venc_vb2_ops = { .buf_prepare = venus_helper_vb2_buf_prepare, .start_streaming = venc_start_streaming, .stop_streaming = venus_helper_vb2_stop_streaming, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, .buf_queue = venc_vb2_buf_queue, }; -- 2.43.0