drm/amd/display: wake up ogam mem pwr before programming ocsc

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[Description]
OGAM_MEM_PWR could stay in light up when driver woke up to update gamma.
either disable MEM_LOW power feature or set to OGAM_bypass could make artificial color distortion goes away.
Easy reproduce after LOW_MEM Power feature enables and resume from S3.

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Julian Parkin <jparkin@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Charlene Liu 2019-07-24 18:14:46 -04:00 • committed by Alex Deucher

parent 1bb32e5a87

commit 544618596f

6 changed files with 49 additions and 7 deletions

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16

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c

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19

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.h

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6

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c

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5

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.c

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6

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.h

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4

drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h

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