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>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/gpu/drm/ttm/ttm_agp_backend.c b/drivers/gpu/drm/ttm/ttm_agp_backend.c
index e8f6d2229d8c..4648ed2f0143 100644
--- a/drivers/gpu/drm/ttm/ttm_agp_backend.c
+++ b/drivers/gpu/drm/ttm/ttm_agp_backend.c
@@ -63,8 +63,7 @@ static int ttm_agp_populate(struct ttm_backend *backend,
                 if (!page)
                         page = dummy_read_page;
 
-                mem->memory[mem->page_count++] =
-                    phys_to_gart(page_to_phys(page));
+                mem->pages[mem->page_count++] = page;
         }
         agp_be->mem = mem;
         return 0;