drm/amd/display: Add extra T3 delay

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[Why]
For some special panel, it will have an invalid HPD high cause driver
DPCD read/write fail.

[How]
Add extra T3 delay as a monitor patch in dce110_edp_wait_for_hpd_ready

Signed-off-by: Lewis Huang <Lewis.Huang@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>

...

This commit is contained in:

Lewis Huang 2020-07-30 18:00:23 +08:00 • committed by Alex Deucher

parent bcc6aa61c8

commit 6798d04205

2 changed files with 10 additions and 0 deletions

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1

drivers/gpu/drm/amd/display/dc/dc_types.h

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9

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

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