agp: switch AGP to use page array instead of unsigned long array
This switches AGP to use an array of pages for tracking the
pages allocated to the GART. This should enable GEM on PAE to work
a lot better as we can pass highmem pages to the PAT code and it will
do the right thing with them.
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/char/agp/sgi-agp.c b/drivers/char/agp/sgi-agp.c
index b972d83..d3ea2e4 100644
--- a/drivers/char/agp/sgi-agp.c
+++ b/drivers/char/agp/sgi-agp.c
@@ -38,7 +38,7 @@
{0, 0, 0},
};
-static void *sgi_tioca_alloc_page(struct agp_bridge_data *bridge)
+static struct page *sgi_tioca_alloc_page(struct agp_bridge_data *bridge)
{
struct page *page;
int nid;
@@ -52,7 +52,7 @@
get_page(page);
atomic_inc(&agp_bridge->current_memory_agp);
- return page_address(page);
+ return page;
}
/*
@@ -71,8 +71,9 @@
*/
static unsigned long
sgi_tioca_mask_memory(struct agp_bridge_data *bridge,
- unsigned long addr, int type)
+ struct page *page, int type)
{
+ unsigned long addr = phys_to_gart(page_to_phys(page));
return tioca_physpage_to_gart(addr);
}
@@ -189,7 +190,7 @@
for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
table[j] =
- bridge->driver->mask_memory(bridge, mem->memory[i],
+ bridge->driver->mask_memory(bridge, mem->pages[i],
mem->type);
}