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| author | Tom St Denis <tom.stdenis@amd.com> | 2016-07-28 13:45:07 (GMT) |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-08-08 15:32:41 (GMT) |
| commit | fa5d2e0c103a7763b140746d396dcb8c723e74f2 (patch) | |
| tree | c0b15bb13a29a9395ac85ee6c338f819e898d2ec | |
| parent | 2875125c3184c4b05f2c2c67540339e5b90813ad (diff) | |
| download | linux-fa5d2e0c103a7763b140746d396dcb8c723e74f2.tar.xz | |
drm/amd/amdgpu: enable PG_EN bit in powergating UVD
Enable the PG_EN bit just before the SMU would be tasked
with the PG transition.
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c index 7f2b5de..391457f 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c @@ -997,6 +997,8 @@ static int uvd_v6_0_set_powergating_state(void *handle, if (!(adev->pg_flags & AMD_PG_SUPPORT_UVD)) return 0; + WREG32(mmUVD_POWER_STATUS, UVD_POWER_STATUS__UVD_PG_EN_MASK); + if (state == AMD_PG_STATE_GATE) { uvd_v6_0_stop(adev); return 0; |