Hi Alex,
Thanks for the patch!
On 11/13/18 11:30 AM, Alexandre Courbot wrote:
> The last buffer is often signaled by an empty buffer with the
> V4L2_BUF_FLAG_LAST flag set. Such buffers were returned with the
> bytesused field set to the full size of the OPB, which leads
> user-space to believe that the buffer actually contains useful data. Fix
> this by passing the number of bytes reported used by the firmware.
>
> Signed-off-by: Alexandre Courbot <acour...@chromium.org>
> ---
> drivers/media/platform/qcom/venus/vdec.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
Acked-by: Stanimir Varbanov <stanimir.varba...@linaro.org>
>
> diff --git a/drivers/media/platform/qcom/venus/vdec.c
> b/drivers/media/platform/qcom/venus/vdec.c
> index 189ec975c6bb..282de21cf2e1 100644
> --- a/drivers/media/platform/qcom/venus/vdec.c
> +++ b/drivers/media/platform/qcom/venus/vdec.c
> @@ -885,10 +885,8 @@ static void vdec_buf_done(struct venus_inst *inst,
> unsigned int buf_type,
> vbuf->field = V4L2_FIELD_NONE;
>
> if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
> - unsigned int opb_sz = venus_helper_get_opb_size(inst);
> -
> vb = &vbuf->vb2_buf;
> - vb2_set_plane_payload(vb, 0, bytesused ? : opb_sz);
> + vb2_set_plane_payload(vb, 0, bytesused);
> vb->planes[0].data_offset = data_offset;
> vb->timestamp = timestamp_us * NSEC_PER_USEC;
> vbuf->sequence = inst->sequence_cap++;
>
--
regards,
Stan
