Index: xf86-video-ati/src/radeon_dri.c
===================================================================
--- xf86-video-ati.orig/src/radeon_dri.c
+++ xf86-video-ati/src/radeon_dri.c
@@ -727,7 +727,7 @@ static Bool RADEONSetAgpMode(RADEONInfoP
     if ((mode & RADEON_AGPv3_MODE) &&
 	(INREG(RADEON_AGP_STATUS) & RADEON_AGPv3_MODE)) {
 	switch (info->agpMode) {
-	case 8:          mode |= RADEON_AGPv3_8X_MODE;
+	case 8:          mode |= RADEON_AGPv3_8X_MODE; break;
 	case 4: default: mode |= RADEON_AGPv3_4X_MODE;
 	}
 	/*TODO: need to take care of other bits valid for v3 mode
@@ -735,8 +735,8 @@ static Bool RADEONSetAgpMode(RADEONInfoP
 	 */
     } else {
 	switch (info->agpMode) {
-	case 4:          mode |= RADEON_AGP_4X_MODE;
-	case 2:          mode |= RADEON_AGP_2X_MODE;
+	case 4:          mode |= RADEON_AGP_4X_MODE; break;
+	case 2:          mode |= RADEON_AGP_2X_MODE; break;
 	case 1: default: mode |= RADEON_AGP_1X_MODE;
 	}
     }