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(parent: 64e743c) | patch
drm/amd/display: Read max down spread
authorDerek Lai <Derek.Lai@amd.com>
Tue, 18 Jun 2019 06:55:57 +0000 (14:55 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 18 Jul 2019 19:18:10 +0000 (14:18 -0500)
commit70b7ddce4a3644eb2c89c3206d2433bcb703c9a7
tree65e0a705463ef48ca2f7e75054e17107971664b0tree | snapshot
parent64e743c68430612fd235e228029895efcb57c640commit | diff
drm/amd/display: Read max down spread

[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>
drivers/gpu/drm/amd/display/dc/core/dc_link.c diff | blob | history
Linux Kernel Source Tree.