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 <acourbot@xxxxxxxxxxxx>
---
drivers/media/platform/qcom/venus/vdec.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
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++;
--
2.19.1.930.g4563a0d9d0-goog
