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drm/amd/display: enable dchub request limit for DCN 3.2.x

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[why]
HW recommend we enable this for better DF QoS for DCN 3.2.x

[how]
Add interfaces to hubbub to program register
Add initialization as part of init_hw
Add default settings for DCN 3.2.x
Add registry override for debug/tuning

Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Jun Lei <jun.lei@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jun Lei 2022-11-02 15:19:37 -04:00 • committed by Alex Deucher
commit d97fd7a07b
8 changed files with 37 additions and 4 deletions
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