drm/amdgpu: add soc21 common ip block support for GC 11.0.4

Add common soc21 ip block support for GC 11.0.4.
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/soc21.c

@@ -644,6 +644,12 @@ static int soc21_common_early_init(void *handle)
 			AMD_PG_SUPPORT_JPEG;
 		adev->external_rev_id = adev->rev_id + 0x20;
 		break;
+	case IP_VERSION(11, 0, 4):
+		adev->cg_flags = 0;
+		adev->pg_flags = 0;
+		adev->external_rev_id = adev->rev_id + 0x1;
+		break;
+
 	default:
 		/* FIXME: not supported yet */
 		return -EINVAL;