On Mon, 07 May 2018 08:56:14 -0700
Eric Anholt <eric@xxxxxxxxxx> wrote:
> Boris Brezillon <boris.brezillon@xxxxxxxxxxx> 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: stable@xxxxxxxxxxxxxxx
> > Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx>
>
> Reviewed-by: Eric Anholt <eric@xxxxxxxxxx>
>
> 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.
