On Mon, 7 May 2018 18:11:02 +0200
Boris Brezillon <boris.brezil...@bootlin.com> wrote:
> On Mon, 07 May 2018 08:56:14 -0700
> Eric Anholt <e...@anholt.net> wrote:
>
> > Boris Brezillon <boris.brezil...@bootlin.com> writes:
> >
> > > When using uni-planar formats (like RGB), the scaling parameters are
> > > stored in plane 0, not plane 1.
> > >
> > > Fixes: fc04023fafec ("drm/vc4: Add support for YUV planes.")
> > > Cc: sta...@vger.kernel.org
> > > Signed-off-by: Boris Brezillon <boris.brezil...@bootlin.com>
> >
> > Reviewed-by: Eric Anholt <e...@anholt.net>
> >
> > Looking at the other branch, did I get the scl0/scl1 backwards? HVS
> > docs say for non-444 YCBCR: "In these cases Channel 0 performs Y/Alpha
> > scaling and Channel 1 performs CB/CR scaling and should be configured as
> > appropriate."
>
> Didn't test, but I think rescaling of multi-planar format is correct.
I just tested, and I confirm the other branch is correct.
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