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drm/amd/powerplay: workaround for UVD clock issue

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workaround issue that when uvd dpm disabled,
uvd clock remain high on polaris10. Manually turn
off the clocks.

Signed-off-by: Rex Zhu <[email protected]>
Reviewed-by: Ken Wang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
This commit is contained in:
Rex Zhu 2016-06-28 16:22:07 +08:00 • committed by Alex Deucher
commit a7f14a184e
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
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@ -1106,6 +1106,10 @@ static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
if (fences == 0 && handles == 0) {
if (adev->pm.dpm_enabled) {
amdgpu_dpm_enable_uvd(adev, false);
/* just work around for uvd clock remain high even
* when uvd dpm disabled on Polaris10 */
if (adev->asic_type == CHIP_POLARIS10)
amdgpu_asic_set_uvd_clocks(adev, 0, 0);
} else {
amdgpu_asic_set_uvd_clocks(adev, 0, 0);
}