drm/amd/display: avoid link loss short pulse stuck the system

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[Why]
MST monitor sends link loss short pulse continuous but sink is
occupy by HDMI input to lead link training fail.

[How]
disable link once retraining fail.

Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Yu-ting Shen <yu-tshen@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Yu-ting Shen 2021-10-19 14:22:02 +08:00 • committed by Alex Deucher

parent 670d2a6240

commit bca5bea403

1 changed files with 2 additions and 0 deletions

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

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