drm/amd/display: DAL to program DISPCLK WDIVIDER if PMFW doesn't

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[Why & How]
- If for any reason PMFW fails to set the expected (or valid)
  DISPCLK WDIVIDER, then DAL will program DENTIST DISPCLK
  WDIVIDER to correct for this issue

Reviewed-by: Samson Tam <Samson.Tam@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Alvin Lee 2023-02-10 17:46:34 -05:00 • committed by Alex Deucher

parent 6ed373b0d5

commit 7bd571b274

4 changed files with 34 additions and 10 deletions

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41

drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c

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1

drivers/gpu/drm/amd/display/dc/dc.h

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1

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c

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1

drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c

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