drm: sti: add Mixer
authorBenjamin Gaignard <benjamin.gaignard@linaro.org>
Mon, 28 Jul 2014 08:30:18 +0000 (10:30 +0200)
committerBenjamin Gaignard <benjamin.gaignard@linaro.org>
Wed, 30 Jul 2014 17:26:59 +0000 (19:26 +0200)
commite21e21939ce0031c11605cc4a7fed83c8ed42b52
tree866c24d9e96f8f801c8fc1a5ec512a440a1ae349
parentcfd8d744fe0dc08faae4a35d333193dcca3ea891
drm: sti: add Mixer

Mixer hardware IP is responsible of mixing the different inputs layers.
Z-order is managed by the mixer.
We could 2 mixers: one for main path and one for auxillary path

Mixers are part of Compositor hardware block

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Reviewed-by: Rob Clark <robdclark@gmail.com>
drivers/gpu/drm/sti/Makefile
drivers/gpu/drm/sti/sti_mixer.c [new file with mode: 0644]
drivers/gpu/drm/sti/sti_mixer.h [new file with mode: 0644]