diff -up xf86-video-ati-6.9.0/src/radeon_dri.c.dma xf86-video-ati-6.9.0/src/radeon_dri.c
--- xf86-video-ati-6.9.0/src/radeon_dri.c.dma	2009-01-25 09:50:13.000000000 +1000
+++ xf86-video-ati-6.9.0/src/radeon_dri.c	2009-01-25 09:51:26.000000000 +1000
@@ -478,6 +478,9 @@ Bool radeon_update_dri_buffers(ScreenPtr
     if (info->ChipFamily >= CHIP_FAMILY_R600)
 	return TRUE;
 
+    if (!info->drm_mm)
+	return TRUE;
+
     success = radeon_update_dri_mappings(pScrn, sarea);
 
     if (!success)
@@ -1289,7 +1292,7 @@ static Bool RADEONDRIMapInit(RADEONInfoP
 {
 
     if (info->drm_mm)
-    return TRUE;
+    	return TRUE;
 				/* Map registers */
     info->dri->registerSize = info->MMIOSize;
     if (drmAddMap(info->dri->drmFD, info->MMIOAddr, info->dri->registerSize,
diff -up xf86-video-ati-6.9.0/src/radeon_driver.c.dma xf86-video-ati-6.9.0/src/radeon_driver.c