--- zzzz-none-000/linux-2.6.39.4/drivers/gpu/drm/radeon/rv770.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-arm-6490-729/linux-2.6.39.4/drivers/gpu/drm/radeon/rv770.c	2021-11-10 13:23:10.000000000 +0000
@@ -572,12 +572,6 @@
 	else
 		tcp_chan_steer = 0x00fac688;
 
-	/* RV770 CE has special chremap setup */
-	if (rdev->pdev->device == 0x944e) {
-		tcp_chan_steer = 0x00b08b08;
-		mc_shared_chremap = 0x00b08b08;
-	}
-
 	WREG32(TCP_CHAN_STEER, tcp_chan_steer);
 	WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
 }