drm/amdgpu: set new revision id for 10.3.7 GC

Add new revision ID for GC 10.3.7 and set
cg/pg flags.
Signed-off-by: NPrike Liang <Prike.Liang@amd.com>
Reviewed-by: NHuang Rui <ray.huang@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

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

@@ -907,6 +907,11 @@ static int nv_common_early_init(void *handle)
 		adev->pg_flags = 0;
 		adev->external_rev_id = adev->rev_id + 0x82;
 		break;
+	case IP_VERSION(10, 3, 7):
+		adev->cg_flags = 0;
+		adev->pg_flags = 0;
+		adev->external_rev_id = adev->rev_id + 0x01;
+		break;
 	default:
 		/* FIXME: not supported yet */
 		return -EINVAL;