drm/amd/display: Only update mpc blend config if not full update

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The current mpcc insert/remove logic does not support updating
only a single mpcc. So when pixel alpha changed but no full update
we can mistakenly shuffle the mpcc layering order. With this change
we will only insert/remove mpcc if there is full update.

Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Eric Yang 2018-03-14 17:41:57 -04:00 • committed by Alex Deucher

parent d72eb20379

commit 4173c0bdd7

2 changed files with 12 additions and 2 deletions

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9

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

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5

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c

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