drm/amd/display: TMDS Fallback transition

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[Why]
HDMI requires fallback to TMDS by redetection
in order to switch PHY settings.
This avoids black out when link training fail
during mode setting, link quality update,
disable driver sequence.

[How]
Allow driver to redetect HDMI displays
based on retraining or fallback mechanism.

Signed-off-by: Chris Park <Chris.Park@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Chris Park 2020-09-12 13:06:59 -04:00 • committed by Alex Deucher

parent 99d1437aa0

commit fb0fe92046

2 changed files with 15 additions and 0 deletions

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13

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c

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2

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

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