drm/amd/display: Fix eDP will flash when boot to OS

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[WHY]
With eDP DSC enabled and set 4K 60Hz, there would be screen
corruption when booting to OS or enabling the driver.

[HOW]
Avoid powering down VDD when we cannot apply eDP fast boot.

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Brandon Syu <Brandon.Syu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Brandon Syu 2021-11-03 12:11:28 +08:00 • committed by Alex Deucher

parent 2665f63a73

commit 189789a15f

2 changed files with 5 additions and 2 deletions

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5

drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c

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2

drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c

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