v4.19.13 snapshot.
diff --git a/drivers/gpu/drm/arc/Makefile b/drivers/gpu/drm/arc/Makefile
new file mode 100644
index 0000000..73de56a
--- /dev/null
+++ b/drivers/gpu/drm/arc/Makefile
@@ -0,0 +1,2 @@
+arcpgu-y := arcpgu_crtc.o arcpgu_hdmi.o arcpgu_sim.o arcpgu_drv.o
+obj-$(CONFIG_DRM_ARCPGU) += arcpgu.o