On Sat, Dec 24, 2022 at 09:03:59AM +0100, Benjamin Gaignard wrote:
>
> Le 23/12/2022 à 19:16, Nicolas Dufresne a écrit :
> > Since 79c987de8b354, enumerating framesize on format set with "MODE_NONE"
> > (any raw formats) is reporting an invalid frmsize.
> >
> > Size: Stepwise 0x0 - 0x0 with step 0/0
> >
> > Before this change, the driver would return EINVAL, which is also invalid but
> > worked in GStreamer. The original intent was not to implement it, hence the
> > -ENOTTY return in this change. While drivers should implement ENUM_FRMSIZE for
> > all formats and queues, this change is limited in scope to fix the regression.
> >
> > This fixes taking picture in Gnome Cheese software, or any software using
> > GSteamer to encode JPEG with hardware acceleration.
> >
> > Fixes: 79c987de8b354 ("media: hantro: Use post processor scaling capacities")
> > Reported-by: Robert Mader <robert.mader@xxxxxxxxxxxxx>
> > Signed-off-by: Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx>
>
> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx>
>
Reviewed-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx>
Thanks,
Ezequiel
> > ---
> > drivers/media/platform/verisilicon/hantro_v4l2.c | 7 +++++--
> > 1 file changed, 5 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/media/platform/verisilicon/hantro_v4l2.c b/drivers/media/platform/verisilicon/hantro_v4l2.c
> > index 2c7a805289e7b..30e650edaea8a 100644
> > --- a/drivers/media/platform/verisilicon/hantro_v4l2.c
> > +++ b/drivers/media/platform/verisilicon/hantro_v4l2.c
> > @@ -161,8 +161,11 @@ static int vidioc_enum_framesizes(struct file *file, void *priv,
> > }
> > /* For non-coded formats check if postprocessing scaling is possible */
> > - if (fmt->codec_mode == HANTRO_MODE_NONE && hantro_needs_postproc(ctx, fmt)) {
> > - return hanto_postproc_enum_framesizes(ctx, fsize);
> > + if (fmt->codec_mode == HANTRO_MODE_NONE) {
> > + if (hantro_needs_postproc(ctx, fmt))
> > + return hanto_postproc_enum_framesizes(ctx, fsize);
> > + else
> > + return -ENOTTY;
> > } else if (fsize->index != 0) {
> > vpu_debug(0, "invalid frame size index (expected 0, got %d)\n",
> > fsize->index);
