Signed-off-by: Samir Dhume <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
index 550ac040b4be..411c1d802823 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
@@ -1317,6 +1317,15 @@ static int vcn_v4_0_3_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;
--
2.34.1
