drm/amd/display: Add w/a to disable DP dual mode on certain ports

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[Why]
Certain ports on DCN3.2 configs do not properly populate the BIOS
info table flag to indicate DP dual mode is unsupported.

[How]
Add a workaround to disable DP dual mode on the ports with the missing
BIOS info table flag.

Reviewed-by: Michael Strauss <Michael.Strauss@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

George Shen 2023-04-13 19:03:59 -04:00 • committed by Alex Deucher

parent 029c85adcc

commit 124155c0bd

3 changed files with 6 additions and 0 deletions

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1

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

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1

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c

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4

drivers/gpu/drm/amd/display/dc/link/link_detection.c

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