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author | Rex Zhu <Rex.Zhu@amd.com> | 2016-06-28 16:22:07 +0800 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2016-06-29 12:12:26 -0400 |
commit | a7f14a184e0e8e94becfc3f9608f6b0f9c339572 (patch) | |
tree | a784597665cb1ab3c7ce2af1ca141396098eb502 /drivers/gpu | |
parent | d9d533c1483c4daf76e7e720c35896a430563ff8 (diff) | |
download | op-kernel-dev-a7f14a184e0e8e94becfc3f9608f6b0f9c339572.zip op-kernel-dev-a7f14a184e0e8e94becfc3f9608f6b0f9c339572.tar.gz |
drm/amd/powerplay: workaround for UVD clock issue
workaround issue that when uvd dpm disabled,
uvd clock remain high on polaris10. Manually turn
off the clocks.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index e19520c..d9c88d13 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -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); } |