drm/amd/display: Fix debugfs link_settings entry

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[ Upstream commit c006a1c00d ]

1. Catch invalid link_rate and link_count settings
2. Call dc interface to overwrite preferred link settings, and wait
until next stream update to apply the new settings.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Fangzhi Zuo 2021-03-09 11:22:36 -05:00 • committed by Greg Kroah-Hartman

parent bcefa89b3e

commit cc6215d94d

1 changed files with 8 additions and 7 deletions

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drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c

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