--- radeon_accel.c	2007-04-08 11:41:52.000000000 +0200
+++ radeon_accel.c	2007-04-08 13:57:39.000000000 +0200
@@ -203,9 +203,7 @@
 	host_path_cntl = INREG(HOST_PATH_CNTL);
 	rbbm_soft_reset = INREG(RBBM_SOFT_RESET);
 
-	if (rinfo->family == CHIP_FAMILY_R300 ||
-	    rinfo->family == CHIP_FAMILY_R350 ||
-	    rinfo->family == CHIP_FAMILY_RV350) {
+	if (IS_R300_VARIANT(rinfo)) {
 		u32 tmp;
 
 		OUTREG(RBBM_SOFT_RESET, (rbbm_soft_reset |
@@ -241,9 +239,7 @@
 	INREG(HOST_PATH_CNTL);
 	OUTREG(HOST_PATH_CNTL, host_path_cntl);
 
-	if (rinfo->family != CHIP_FAMILY_R300 ||
-	    rinfo->family != CHIP_FAMILY_R350 ||
-	    rinfo->family != CHIP_FAMILY_RV350)
+	if (IS_R300_VARIANT(rinfo))
 		OUTREG(RBBM_SOFT_RESET, rbbm_soft_reset);
 
 	OUTREG(CLOCK_CNTL_INDEX, clock_cntl_index);
@@ -254,16 +250,15 @@
 {
 	unsigned long temp;
 
-	/* disable 3D engine */
-	OUTREG(RB3D_CNTL, 0);
-
 	radeonfb_engine_reset(rinfo);
 
 	radeon_fifo_wait (1);
-	if ((rinfo->family != CHIP_FAMILY_R300) &&
-	    (rinfo->family != CHIP_FAMILY_R350) &&
-	    (rinfo->family != CHIP_FAMILY_RV350))
+	if (IS_R300_VARIANT(rinfo)) {
+		temp = INREG(RB2D_DSTCACHE_MODE);
+		OUTREG(RB2D_DSTCACHE_MODE, temp | (1<<17)); /* FIXME */
+	} else {
 		OUTREG(RB2D_DSTCACHE_MODE, 0);
+	}
 
 	radeon_fifo_wait (3);
 	/* We re-read MC_FB_LOCATION from card as it can have been