diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index 441645ea8b87230acd32dc2b0035739b5a7695d7..e53158f0ecb5c9ebf074bbe241df3f60986e0987 100644
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -204,12 +204,12 @@ static int radeon_do_pixcache_flush(drm_radeon_private_t * dev_priv)
 		RADEON_WRITE(R300_RB3D_DSTCACHE_CTLSTAT, tmp);
 
 		/* 2D */
-		tmp = RADEON_READ(RADEON_RB2D_DSTCACHE_CTLSTAT);
+		tmp = RADEON_READ(R300_DSTCACHE_CTLSTAT);
 		tmp |= RADEON_RB3D_DC_FLUSH_ALL;
-		RADEON_WRITE(RADEON_RB3D_DSTCACHE_CTLSTAT, tmp);
+		RADEON_WRITE(R300_DSTCACHE_CTLSTAT, tmp);
 
 		for (i = 0; i < dev_priv->usec_timeout; i++) {
-			if (!(RADEON_READ(RADEON_RB2D_DSTCACHE_CTLSTAT)
+			if (!(RADEON_READ(R300_DSTCACHE_CTLSTAT)
 			  & RADEON_RB3D_DC_BUSY)) {
 				return 0;
 			}
diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h
index e20b5d8787167403b465b0a69dedbb7576f12a92..3f0eca957aa7cfff93640a7db1bedab8f02016b3 100644
--- a/drivers/char/drm/radeon_drv.h
+++ b/drivers/char/drm/radeon_drv.h
@@ -662,11 +662,12 @@ extern int r300_do_cp_cmdbuf(struct drm_device * dev,
 #define RADEON_PP_TXFILTER_1		0x1c6c
 #define RADEON_PP_TXFILTER_2		0x1c84
 
-#define RADEON_RB2D_DSTCACHE_CTLSTAT	0x342c
-#	define RADEON_RB2D_DC_FLUSH		(3 << 0)
-#	define RADEON_RB2D_DC_FREE		(3 << 2)
-#	define RADEON_RB2D_DC_FLUSH_ALL		0xf
-#	define RADEON_RB2D_DC_BUSY		(1 << 31)
+#define R300_RB2D_DSTCACHE_CTLSTAT	0x342c /* use R300_DSTCACHE_CTLSTAT */
+#define R300_DSTCACHE_CTLSTAT		0x1714
+#	define R300_RB2D_DC_FLUSH		(3 << 0)
+#	define R300_RB2D_DC_FREE		(3 << 2)
+#	define R300_RB2D_DC_FLUSH_ALL		0xf
+#	define R300_RB2D_DC_BUSY		(1 << 31)
 #define RADEON_RB3D_CNTL		0x1c3c
 #	define RADEON_ALPHA_BLEND_ENABLE	(1 << 0)
 #	define RADEON_PLANE_MASK_ENABLE		(1 << 1)