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Boris Brezillon 658d8cbd07 drm/vc4: Fix the "no scaling" case on multi-planar YUV formats 
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: fc04023faf ("drm/vc4: Add support for YUV planes.")
Cc: <stable@vger.kernel.org>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20180725122907.13702-1-boris.brezillon@bootlin.com
Signed-off-by: Sean Paul <seanpaul@chromium.org>
2018-09-10 16:01:22 -04:00
..
drm drm/vc4: Fix the "no scaling" case on multi-planar YUV formats 2018-09-10 16:01:22 -04:00
host1x gpu: host1x: Check whether size of unpin isn't 0 2018-07-09 10:31:30 +02:00
ipu-v3 drm pull for 4.19-rc1 2018-08-15 17:39:07 -07:00
vga vga_switcheroo: set audio client id according to bound GPU id 2018-07-17 11:12:00 +02:00
Makefile