drm/amd/display: prefer preferred link cap over verified link settings

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[why]
when preferred link cap is set, we should always use
preferred in all validation.
we should not use preferred for some validation but use
verified for others.

[how]
create getter function that gets verified link cap.
if preferred is set, return preferred link settings instead.

Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: Nikola Cornij <Nikola.Cornij@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Wenjing Liu 2019-03-22 19:33:46 -04:00 • committed by Alex Deucher

parent e9164db72a

commit 7ee3769a37

3 changed files with 13 additions and 1 deletions

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9

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

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2

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

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3

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

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