diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c index 0a0ca10bf55b..910a4a32ff78 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c @@ -354,11 +354,13 @@ static int vcn_v3_0_hw_fini(void *handle) ring = &adev->vcn.inst[i].ring_dec; - if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) || - (adev->vcn.cur_state != AMD_PG_STATE_GATE && - RREG32_SOC15(VCN, i, mmUVD_STATUS))) - vcn_v3_0_set_powergating_state(adev, AMD_PG_STATE_GATE); - + if (!amdgpu_sriov_vf(adev)) { + if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) || + (adev->vcn.cur_state != AMD_PG_STATE_GATE && + RREG32_SOC15(VCN, i, mmUVD_STATUS))) { + vcn_v3_0_set_powergating_state(adev, AMD_PG_STATE_GATE); + } + } ring->sched.ready = false; for (j = 0; j < adev->vcn.num_enc_rings; ++j) { @@ -1861,6 +1863,15 @@ static int vcn_v3_0_set_powergating_state(void *handle, struct amdgpu_device *adev = (struct amdgpu_device *)handle; int ret; + /* for SRIOV, guest should not control VCN Power-gating + * MMSCH FW should control Power-gating and clock-gating + * guest should avoid touching CGC and PG + */ + if (amdgpu_sriov_vf(adev)) { + adev->vcn.cur_state = AMD_PG_STATE_UNGATE; + return 0; + } + if(state == adev->vcn.cur_state) return 0; |