diff -ruN xf86-video-sis-0.9.1.orig/src/sis300_accel.c xf86-video-sis-0.9.1/src/sis300_accel.c
--- xf86-video-sis-0.9.1.orig/src/sis300_accel.c	2012-11-26 12:27:14.151119857 +0100
+++ xf86-video-sis-0.9.1/src/sis300_accel.c	2012-11-26 12:36:19.227926454 +0100
@@ -1284,8 +1284,8 @@
 		 /* Composite not supported */
 
 		 /* Upload, download to/from Screen */
-		 pSiS->EXADriverPtr->accel.UploadToScreen = SiSUploadToScreen;
-		 pSiS->EXADriverPtr->accel.DownloadFromScreen = SiSDownloadFromScreen;
+		 //pSiS->EXADriverPtr->accel.UploadToScreen = SiSUploadToScreen;
+		 //pSiS->EXADriverPtr->accel.DownloadFromScreen = SiSDownloadFromScreen;
 	   }
 #else  /*xorg>7.0*/
 	   
@@ -1332,8 +1332,8 @@
 		 /* Composite not supported */
 
 		 /* Upload, download to/from Screen */
-		 pSiS->EXADriverPtr->UploadToScreen = SiSUploadToScreen;
-		 pSiS->EXADriverPtr->DownloadFromScreen = SiSDownloadFromScreen;
+		 //pSiS->EXADriverPtr->UploadToScreen = SiSUploadToScreen;
+		 //pSiS->EXADriverPtr->DownloadFromScreen = SiSDownloadFromScreen;
 
 	      } 
 #endif
diff -ruN xf86-video-sis-0.9.1.orig/src/sis310_accel.c xf86-video-sis-0.9.1/src/sis310_accel.c
--- xf86-video-sis-0.9.1.orig/src/sis310_accel.c	2012-11-26 12:27:14.151119857 +0100
+++ xf86-video-sis-0.9.1/src/sis310_accel.c	2012-11-26 12:35:58.597921440 +0100
@@ -1819,8 +1819,8 @@
 #endif
 
 	      /* Upload, download to/from Screen */
-	      pSiS->EXADriverPtr->accel.UploadToScreen = SiSUploadToScreen;
-	      pSiS->EXADriverPtr->accel.DownloadFromScreen = SiSDownloadFromScreen;
+	      //pSiS->EXADriverPtr->accel.UploadToScreen = SiSUploadToScreen;
+	      //pSiS->EXADriverPtr->accel.DownloadFromScreen = SiSDownloadFromScreen;
 
 #else /*Xorg>= 7.0*/
 
@@ -1869,8 +1869,8 @@
 #endif
 
 	      /* Upload, download to/from Screen */
-	      pSiS->EXADriverPtr->UploadToScreen = SiSUploadToScreen;
-	      pSiS->EXADriverPtr->DownloadFromScreen = SiSDownloadFromScreen;
+	      //pSiS->EXADriverPtr->UploadToScreen = SiSUploadToScreen;
+	      //pSiS->EXADriverPtr->DownloadFromScreen = SiSDownloadFromScreen;
 #endif /*end of Xorg>=7.0*/ 
 	   
 	   }
diff -ruN xf86-video-sis-0.9.1.orig/src/sis_accel.c xf86-video-sis-0.9.1/src/sis_accel.c
--- xf86-video-sis-0.9.1.orig/src/sis_accel.c	2012-11-26 12:27:14.154453191 +0100
+++ xf86-video-sis-0.9.1/src/sis_accel.c	2012-11-26 12:36:44.464598873 +0100
@@ -862,8 +862,8 @@
 	  /* Composite not supported */
 
 	  /* Upload, download to/from Screen */
-	  pSiS->EXADriverPtr->UploadToScreen = SiSUploadToScreen;
-	  pSiS->EXADriverPtr->DownloadFromScreen = SiSDownloadFromScreen;
+	  //pSiS->EXADriverPtr->UploadToScreen = SiSUploadToScreen;
+	  //pSiS->EXADriverPtr->DownloadFromScreen = SiSDownloadFromScreen;
 
 #endif  /*end of Xorg>=7.0 EXA Setting*/       
        }