diff --git a/src/radeon_exa_funcs.c b/src/radeon_exa_funcs.c
index 55710ff..e6f6700 100644
--- a/src/radeon_exa_funcs.c
+++ b/src/radeon_exa_funcs.c
@@ -366,10 +366,18 @@ RADEONBlitChunk(ScrnInfoPtr pScrn, uint32_t datatype, uint32_t src_pitch_offset,
     OUT_ACCEL_REG(RADEON_DST_Y_X, (dstY << 16) | dstX);
     OUT_ACCEL_REG(RADEON_DST_HEIGHT_WIDTH, (h << 16) | w);
     FINISH_ACCEL();
-    BEGIN_ACCEL(2);
-    OUT_ACCEL_REG(RADEON_DSTCACHE_CTLSTAT, RADEON_RB2D_DC_FLUSH_ALL);
-    OUT_ACCEL_REG(RADEON_WAIT_UNTIL,
-                  RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_DMA_GUI_IDLE);
+    if (IS_R300_3D || IS_R500_3D) {
+	BEGIN_ACCEL(3);
+	OUT_ACCEL_REG(RADEON_DSTCACHE_CTLSTAT, RADEON_RB2D_DC_FLUSH_ALL);
+	OUT_ACCEL_REG(R300_RB3D_DSTCACHE_CTLSTAT, R300_RB3D_DC_FLUSH_ALL);
+	OUT_ACCEL_REG(RADEON_WAIT_UNTIL,
+		      RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_DMA_GUI_IDLE);
+    } else {
+	BEGIN_ACCEL(2);
+	OUT_ACCEL_REG(RADEON_DSTCACHE_CTLSTAT, RADEON_RB2D_DC_FLUSH_ALL);
+	OUT_ACCEL_REG(RADEON_WAIT_UNTIL,
+		      RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_DMA_GUI_IDLE);
+    }
     FINISH_ACCEL();
 }
 #endif