[PATCH 1/6] drm/amdgpu/vcn:Always gate vcn block during hw finishing
Zhu, James
James.Zhu at amd.com
Wed Dec 12 20:24:57 UTC 2018
Under Dynamic Power Gate mode, UVD_STATUS needn't be checked.
Signed-off-by: James Zhu <James.Zhu at amd.com>
---
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 4f83520..7752043 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -214,7 +214,8 @@ static int vcn_v1_0_hw_fini(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring = &adev->vcn.ring_dec;
- if (RREG32_SOC15(VCN, 0, mmUVD_STATUS))
+ if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
+ RREG32_SOC15(VCN, 0, mmUVD_STATUS))
vcn_v1_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
ring->sched.ready = false;
--
2.7.4
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