drm/amd/display: Read max down spread

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[Why]
When launch D10.2, driver will write DPCD 0x107 with 0x00

[How]
Read MAX_DOWNSPREAD (0x0003h) then keep in current
link settings

Signed-off-by: Derek Lai <Derek.Lai@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Derek Lai 2019-06-18 14:55:57 +08:00 • committed by Alex Deucher

parent 288af96df1

commit 12d0e503dd

1 changed files with 7 additions and 0 deletions

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7

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

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