On Fri, 27 Jul 2018 13:55:03 -0700
Eric Anholt <eric@xxxxxxxxxx> wrote:
> Boris Brezillon <boris.brezillon@xxxxxxxxxxx> writes:
>
> > When there's no scaling requested ->is_unity should be true no matter
> > the format.
> >
> > Also, when no scaling is requested and we have a multi-planar YUV
> > format, we should leave ->y_scaling[0] to VC4_SCALING_NONE and only
> > set ->x_scaling[0] to VC4_SCALING_PPF.
> >
> > Doing this fixes an hardly visible artifact (seen when using modetest
> > and a rather big overlay plane in YUV420).
> >
> > Fixes: fc04023fafec ("drm/vc4: Add support for YUV planes.")
> > Cc: <stable@xxxxxxxxxxxxxxx>
> > Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx>
>
> Reviewed-by: Eric Anholt <eric@xxxxxxxxxx>
Queued to drm-misc-fixes.
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