drm/amdgpu/cgs: add refresh rate checking to non-DC display code

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Clamp the vblank period to 0 if the refresh rate is larger than
120 hz for non-DC.  This allows us to remove the refresh rate
checks from powerplay for mclk switching.

Reviewed-by: Eric Huang <JinhuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Alex Deucher 2018-02-13 14:33:51 -05:00

parent a9b3c00165

commit 7a572b1eda

1 changed files with 5 additions and 0 deletions

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drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c

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