drm/amd/display: Add hook to disable alt-ch in PMO

[Why&How]
DML should have a method of disabling alt-ch pstate method.
Add a debug mask bit to disable the alt-ch pstate method in PMO.

Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alvin Lee 2026-08-07 11:14:47 -04:00 • committed by Alex Deucher
commit e88dc0ba07