drm/amd/display: use preferred link settings for dp signal only

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[why]
We set preferred link settings for virtual signal. However we don't support
virtual signal for UHBR link rate. If preferred is set to UHBR link rate, we
will allow virtual signal with UHBR link rate which causes system crashes.

Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Signed-off-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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Wenjing Liu 2024-05-29 12:20:41 -04:00 • committed by Alex Deucher

parent c006d1a15a

commit abf34ca465

1 changed files with 10 additions and 14 deletions

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drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c

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