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authorChristoph Lameter <clameter@sgi.com>2008-02-27 11:07:10 -0800
committerChristoph Lameter <clameter@sgi.com>2008-02-27 11:07:10 -0800
commit9ef64cb4320df821638b508f79aa8b858cca99f0 (patch)
tree4efbf0854234f89c6f4413077ec795fc669b5b0a /drivers/char/agp/generic.c
parent6f157c1d268d5888ca44c589dccd01729c4172f6 (diff)
parent7704a8b6fc4a8f51599eb2af4dcf1e2ac9c7e576 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/char/agp/generic.c')
-rw-r--r--drivers/char/agp/generic.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index 7484bc759c4..7fc0c99a3a5 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -932,9 +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++)
@@ -991,7 +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);