drm/amd/powerplay: make mmhub pg bit configured by pg_flags

The mmhub pg features enabling should be indicated by pg_flags.
Reported-by: Lijo Lazar <Lijo.Lazar@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -508,7 +508,8 @@ static int nv_common_early_init(void *handle)
 			AMD_CG_SUPPORT_BIF_MGCG |
 			AMD_CG_SUPPORT_BIF_LS;
 		adev->pg_flags = AMD_PG_SUPPORT_VCN |
-			AMD_PG_SUPPORT_VCN_DPG;
+			AMD_PG_SUPPORT_VCN_DPG |
+			AMD_PG_SUPPORT_MMHUB;
 		adev->external_rev_id = adev->rev_id + 0x1;
 		break;
 	default:

drivers/gpu/drm/amd/powerplay/navi10_ppt.c

@@ -325,7 +325,6 @@ navi10_get_allowed_feature_mask(struct smu_context *smu,
 				| FEATURE_MASK(FEATURE_FAN_CONTROL_BIT)
 				| FEATURE_MASK(FEATURE_THERMAL_BIT)
 				| FEATURE_MASK(FEATURE_LED_DISPLAY_BIT)
-				| FEATURE_MASK(FEATURE_MMHUB_PG_BIT)
 				| FEATURE_MASK(FEATURE_ATHUB_PG_BIT)
 				| FEATURE_MASK(FEATURE_DPM_DCEFCLK_BIT)
 				| FEATURE_MASK(FEATURE_DS_GFXCLK_BIT)
@@ -346,6 +345,9 @@ navi10_get_allowed_feature_mask(struct smu_context *smu,
 		*(uint64_t *)feature_mask &= ~FEATURE_MASK(FEATURE_FW_DSTATE_BIT);
 	}
 
+	if (smu->adev->pg_flags & AMD_PG_SUPPORT_MMHUB)
+		*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_MMHUB_PG_BIT);
+
 	if (smu->adev->pg_flags & AMD_PG_SUPPORT_VCN)
 		*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_VCN_PG_BIT);