drm/amdgpu/cz: unforce dpm levels before forcing to low/high

This is necessary to properly reset the min/max limits before
clamping them otherwise we may get improper clamping depending
on what what was the last forced level.

Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2015-07-14 12:26:41 -04:00
parent 4f2d3ad686
commit 85cfe09655

View File

@ -1693,11 +1693,17 @@ static int cz_dpm_force_dpm_level(struct amdgpu_device *adev,
switch (level) {
case AMDGPU_DPM_FORCED_LEVEL_HIGH:
ret = cz_dpm_unforce_dpm_levels(adev);
if (ret)
return ret;
ret = cz_dpm_force_highest(adev);
if (ret)
return ret;
break;
case AMDGPU_DPM_FORCED_LEVEL_LOW:
ret = cz_dpm_unforce_dpm_levels(adev);
if (ret)
return ret;
ret = cz_dpm_force_lowest(adev);
if (ret)
return ret;