[AGPGART] Actually Call the SiS workaround on SiS 746 too.

drivers/char/agp/sis-agp.c

@@ -99,7 +99,7 @@ static void sis_648_enable(u32 mode)
 		 * cannot be configured		 
 		 */
 		if (device->device == PCI_DEVICE_ID_SI_648 ||
-			device->device == PCI_DEVICE_ID_SI_746) {
+		    device->device == PCI_DEVICE_ID_SI_746) {
 			printk(KERN_INFO PFX "SiS chipset with AGP problems detected. Giving bridge time to recover.\n");
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			schedule_timeout (1+(HZ*10)/1000);
@@ -225,7 +225,8 @@ static struct agp_device_ids sis_agp_device_ids[] __devinitdata =
 
 static void __devinit sis_get_driver(struct agp_bridge_data *bridge)
 {
-	if (bridge->dev->device == PCI_DEVICE_ID_SI_648) {
+	if (bridge->dev->device == PCI_DEVICE_ID_SI_648 ||
+	    bridge->dev->device == PCI_DEVICE_ID_SI_746) {
 		if (agp_bridge->major_version == 3 && agp_bridge->minor_version < 5) {
 			sis_driver.agp_enable=sis_648_enable;
 		} else {