On Wed, 2018-08-01 at 16:18 +0200, Lucas Stach wrote: > On a decoder instance, after the profile has been parsed from the stream > __v4l2_ctrl_s_ctrl() is called to notify userspace about changes in the > read-only profile control. This ends up calling back into the CODA driver > where a mssing check on the s_ctrl caused the profile information that has > just been parsed from the stream to be overwritten with the default > baseline profile. > > Later on the driver fails to enable frame reordering, based on the wrong > profile information. > > Fixes: 347de126d1da (media: coda: add read-only h.264 decoder > profile/level controls) > Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> > --- > drivers/media/platform/coda/coda-common.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c > index c7631e117dd3..1ae15d4ec5ed 100644 > --- a/drivers/media/platform/coda/coda-common.c > +++ b/drivers/media/platform/coda/coda-common.c > @@ -1719,7 +1719,8 @@ static int coda_s_ctrl(struct v4l2_ctrl *ctrl) > break; > case V4L2_CID_MPEG_VIDEO_H264_PROFILE: > /* TODO: switch between baseline and constrained baseline */ > - ctx->params.h264_profile_idc = 66; > + if (ctx->inst_type == CODA_INST_ENCODER) > + ctx->params.h264_profile_idc = 66; > break; > case V4L2_CID_MPEG_VIDEO_H264_LEVEL: > /* nothing to do, this is set by the encoder */ regards Philipp
