drm/sun4i: backend: Check that we only have a single YUV plane

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Just like for the frontend, a single plane can use a YUV format. Make sure
we have that constraint covered in our atomic_check.

This is preliminary to the actual YUV support to make sure we don't end up
in an impossible to support situation.

Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/2f8586493d9139b12efe7e94f65e9a149f818e0e.1519931807.git-series.maxime.ripard@bootlin.com

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Maxime Ripard 2018-03-01 20:18:45 +01:00

parent 334789593c

commit 32463556a6

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2 changed files with 48 additions and 2 deletions

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49

drivers/gpu/drm/sun4i/sun4i_backend.c

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1

drivers/gpu/drm/sun4i/sun4i_backend.h

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