drm/amdgpu: Disable DPM in virtualization

This patch is used for virtualization support. In virtualization,
only SMU manager is needed, DPM should be disabled. This is a
use case for commit 2f9346b6f984
("drm/amdgpu/powerplay: pp module only enable smu when dpm disabled.")

Signed-off-by: Trigger Huang <[e-mail]>
Reviewed-by: Christian König <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c

···
 		ret = adev->powerplay.ip_funcs->hw_init(
 					adev->powerplay.pp_handle);
 
-	if (amdgpu_dpm != 0)
+	if ((amdgpu_dpm != 0) && !amdgpu_sriov_vf(adev))
 		adev->pm.dpm_enabled = true;
 
 	return ret;

drivers/gpu/drm/amd/powerplay/amd_powerplay.c

···
 
 	amd_pp->pp_handle = handle;
 
-	if (amdgpu_dpm == 0)
+	if ((amdgpu_dpm == 0)
+		|| cgs_is_virtualization_enabled(pp_init->device))
 		return 0;
 
 	ret = hwmgr_init(pp_init, handle);
···
 	if (instance == NULL)
 		return -EINVAL;
 
-	if (amdgpu_dpm != 0) {
+	if ((amdgpu_dpm != 0)
+		&& !cgs_is_virtualization_enabled(instance->smu_mgr->device)) {
 		eventmgr_fini(instance->eventmgr);
 		hwmgr_fini(instance->hwmgr);
 	}
···
 
 	hw_init_power_state_table(instance->hwmgr);
 
-	if (amdgpu_dpm == 0)
+	if ((amdgpu_dpm == 0)
+		|| cgs_is_virtualization_enabled(instance->smu_mgr->device))
 		return 0;
 
 	if (eventmgr == NULL || eventmgr->pp_eventmgr_init == NULL)