Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
[sfrench/cifs-2.6.git] / drivers / char / agp / generic.c
index 1a4674ce0c718f4c1c3a9bceb8342551fc5e73b8..7fc0c99a3a5850cc939cbe8e3909840c0748c3d6 100644 (file)
@@ -80,6 +80,13 @@ static int agp_get_key(void)
        return -1;
 }
 
+void agp_flush_chipset(struct agp_bridge_data *bridge)
+{
+       if (bridge->driver->chipset_flush)
+               bridge->driver->chipset_flush(bridge);
+}
+EXPORT_SYMBOL(agp_flush_chipset);
+
 /*
  * Use kmalloc if possible for the page list. Otherwise fall back to
  * vmalloc. This speeds things up and also saves memory for small AGP
@@ -925,9 +932,14 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge)
        agp_gatt_table = (void *)table;
 
        bridge->driver->cache_flush();
+#ifdef CONFIG_X86
+       set_memory_uc((unsigned long)table, 1 << page_order);
+       bridge->gatt_table = (void *)table;
+#else
        bridge->gatt_table = ioremap_nocache(virt_to_gart(table),
                                        (PAGE_SIZE * (1 << page_order)));
        bridge->driver->cache_flush();
+#endif
 
        if (bridge->gatt_table == NULL) {
                for (page = virt_to_page(table); page <= virt_to_page(table_end); page++)
@@ -984,7 +996,11 @@ int agp_generic_free_gatt_table(struct agp_bridge_data *bridge)
         * called, then all agp memory is deallocated and removed
         * from the table. */
 
+#ifdef CONFIG_X86
+       set_memory_wb((unsigned long)bridge->gatt_table, 1 << page_order);
+#else
        iounmap(bridge->gatt_table);
+#endif
        table = (char *) bridge->gatt_table_real;
        table_end = table + ((PAGE_SIZE * (1 << page_order)) - 1);