On Do, 2022-04-21 at 12:30 +0200, Hans Verkuil wrote: [...] > I think this is actually a v4l2-compliance bug, not a driver bug. > > G/S_PARM doesn't make sense for the capture queue of a stateful encoder, unless > V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL is set to reserve HW resources. > > See https://hverkuil.home.xs4all.nl/spec/userspace-api/v4l/vidioc-enum-fmt.html#fmtdesc-flags > > That flags isn't used, so v4l2-compliance shouldn't complain. > > Try this v4l2-compliance patch to see if it resolved the fails for this patch > and the next patch (7/7). > > v4l2-compliance patch: > > Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> > --- > diff --git a/utils/v4l2-compliance/v4l2-test-formats.cpp b/utils/v4l2-compliance/v4l2-test-formats.cpp > index 3761b1fa..269a3832 100644 > --- a/utils/v4l2-compliance/v4l2-test-formats.cpp > +++ b/utils/v4l2-compliance/v4l2-test-formats.cpp > @@ -1341,8 +1341,16 @@ static int testParmType(struct node *node, unsigned type) > case V4L2_BUF_TYPE_VIDEO_OUTPUT: > case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: > if (node->g_caps() & buftype2cap[type]) { > - fail_on_test(ret && node->has_frmintervals); > - fail_on_test(ret && node->has_enc_cap_frame_interval); > + if (is_stateful_enc) { > + if (V4L2_TYPE_IS_OUTPUT(type)) > + fail_on_test(ret && node->has_frmintervals); > + else if (node->has_enc_cap_frame_interval) > + fail_on_test(ret); > + else > + fail_on_test(!ret); > + } else { > + fail_on_test(ret && node->has_frmintervals); > + } > } > break; > default: You are right, this patch resolves the compliance failures addressed by patches 6 and 7. regards Philipp