drm/amdgpu: enable gfx power gating for GC 10.3.7

Enable gfx power gating for GC 10.3.7.
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c

@@ -8348,6 +8348,7 @@ static void gfx_v10_cntl_power_gating(struct amdgpu_device *adev, bool enable)
 		case IP_VERSION(10, 3, 1):
 		case IP_VERSION(10, 3, 3):
 		case IP_VERSION(10, 3, 6):
+		case IP_VERSION(10, 3, 7):
 			data = 0x4E20 & RLC_PG_DELAY_3__CGCG_ACTIVE_BEFORE_CGPG_MASK_Vangogh;
 			WREG32_SOC15(GC, 0, mmRLC_PG_DELAY_3, data);
 			break;
@@ -8417,6 +8418,7 @@ static int gfx_v10_0_set_powergating_state(void *handle,
 	case IP_VERSION(10, 3, 1):
 	case IP_VERSION(10, 3, 3):
 	case IP_VERSION(10, 3, 6):
+	case IP_VERSION(10, 3, 7):
 		gfx_v10_cntl_pg(adev, enable);
 		amdgpu_gfx_off_ctrl(adev, enable);
 		break;

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

@@ -959,7 +959,8 @@ static int nv_common_early_init(void *handle)
 			AMD_CG_SUPPORT_JPEG_MGCG;
 		adev->pg_flags = AMD_PG_SUPPORT_VCN |
 			AMD_PG_SUPPORT_VCN_DPG |
-			AMD_PG_SUPPORT_JPEG;
+			AMD_PG_SUPPORT_JPEG |
+			AMD_PG_SUPPORT_GFX_PG;
 		adev->external_rev_id = adev->rev_id + 0x01;
 		break;
 	default: