drm/amd/display: Use absolute time stamp to follow the eDP T7 spec requirement

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[Why]:
According to eDP spec, max T7 delay should be 50 ms. Current code uses 300
retry counters may not be accurate enough for different panels.

[How]:
Use absolute time stamp to achive accurate delay.

Signed-off-by: Dale Zhao <dale.zhao@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Dale Zhao 2019-12-02 10:31:55 +08:00 • committed by Alex Deucher

parent a70445918b

commit 302f598804

1 changed files with 10 additions and 3 deletions

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

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