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| author |   Maxime Ripard <maxime.ripard@free-electrons.com> | 2017-06-26 22:51:15 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2018-01-29 14:02:42 +0100 |
| commit | 65f7fa3a3fcbdb67940a58ce24516d62aaec12b7 (patch) | |
| tree | 8f3cf4a62a4c44b8731b13e5a045fb0f043f3ffe /drivers/gpu/drm/drm_plane.c | |
| parent | drm/sun4i: backend: Add support for zpos (diff) | |
| download | linux-dev-65f7fa3a3fcbdb67940a58ce24516d62aaec12b7.tar.xz linux-dev-65f7fa3a3fcbdb67940a58ce24516d62aaec12b7.zip | |
drm/sun4i: backend: Check for the number of alpha planes
Due to the way the composition is done in hardware, we can only have a
single alpha-enabled plane active at a time, placed in the second (highest
priority) pipe.
Make sure of that in our atomic_check to not end up in an impossible
scenario.
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7371f62a1385f2cbe3ed75dfca2e746338eb2286.1516617243.git-series.maxime.ripard@free-electrons.com
Diffstat (limited to 'drivers/gpu/drm/drm_plane.c')
0 files changed, 0 insertions, 0 deletions