Hi Vikash, On 07/02/2018 10:44 AM, Vikash Garodia wrote: > Exisiting code returns the max of the decoded > size and buffer size. It turns out that buffer > size is always greater due to hardware alignment > requirement. As a result, payload size given to > client is incorrect. This change ensures that > the bytesused is assigned to actual payload size. > > Change-Id: Ie6f3429c0cb23f682544748d181fa4fa63ca2e28 > Signed-off-by: Vikash Garodia <vgarodia@xxxxxxxxxxxxxx> > --- > drivers/media/platform/qcom/venus/vdec.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c > index d079aeb..ada1d2f 100644 > --- a/drivers/media/platform/qcom/venus/vdec.c > +++ b/drivers/media/platform/qcom/venus/vdec.c > @@ -890,7 +890,7 @@ static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type, > > vb = &vbuf->vb2_buf; > vb->planes[0].bytesused = > - max_t(unsigned int, opb_sz, bytesused); > + min_t(unsigned int, opb_sz, bytesused); Most probably my intension was to avoid bytesused == 0, but that is allowed from v4l2 driver -> userspace direction Could you drop min/max_t macros at all and use bytesused directly i.e. vb2_set_plane_payload(vb, 0, bytesused) -- regards, Stan