drm/amd/display: Fix time out on boot

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On boot, hubp 0 is powergated during enable accel mode, so we time out
when we try to blank in undo wa.

Fix: Check power gate status before set blank

Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Eric Yang 2017-08-28 16:50:17 -04:00 • committed by Alex Deucher

parent ab8db3e165

commit c9bb686b59

1 changed files with 6 additions and 0 deletions

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6

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

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