drm/fsl-dcu: fix alpha blending

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Fix alpha blending by enabling alpha blending for the whole frame if
a color mode with alpha channel is selected (DRM_FORMAT_ARGB*). Also
support color modes without alpha channel (DRM_FORMAT_XRGB*) by just
not enabling alpha blending on layer level.

Signed-off-by: Stefan Agner <stefan@agner.ch>

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This commit is contained in:

Stefan Agner 2015-11-18 14:47:35 -08:00

parent 638c93f619

commit 69855819c7

2 changed files with 23 additions and 12 deletions

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4

drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h

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31

drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c

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