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authorDaniel Vetter <daniel.vetter@ffwll.ch>2010-09-09 20:17:34 +0400
committerChris Wilson <chris@chris-wilson.co.uk>2010-09-21 14:36:11 +0400
commita87aa5cc0074fea871c8c6d2660d9b6cd7699d3d (patch)
treef28de481abe2577bd6459ecad54b4a44892ad6a1 /drivers/char/agp/backend.c
parentd0b6dc4b930e3be9c02cc9638f02e14d271d5f0d (diff)
downloadlinux-a87aa5cc0074fea871c8c6d2660d9b6cd7699d3d.tar.xz
agp: kill agp_(map|unmap)_page
Only used to remap the scratch page. Now that intel-gtt does this itself, kill the support code. Cc: Dave Airlie <airlied@linux.ie> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/char/agp/backend.c')
-rw-r--r--drivers/char/agp/backend.c22
1 files changed, 1 insertions, 21 deletions
diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c
index ee4f855611b6..f27d0d0816d3 100644
--- a/drivers/char/agp/backend.c
+++ b/drivers/char/agp/backend.c
@@ -151,17 +151,7 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
}
bridge->scratch_page_page = page;
- if (bridge->driver->agp_map_page) {
- if (bridge->driver->agp_map_page(page,
- &bridge->scratch_page_dma)) {
- dev_err(&bridge->dev->dev,
- "unable to dma-map scratch page\n");
- rc = -ENOMEM;
- goto err_out_nounmap;
- }
- } else {
- bridge->scratch_page_dma = page_to_phys(page);
- }
+ bridge->scratch_page_dma = page_to_phys(page);
bridge->scratch_page = bridge->driver->mask_memory(bridge,
bridge->scratch_page_dma, 0);
@@ -204,12 +194,6 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
return 0;
err_out:
- if (bridge->driver->needs_scratch_page &&
- bridge->driver->agp_unmap_page) {
- bridge->driver->agp_unmap_page(bridge->scratch_page_page,
- bridge->scratch_page_dma);
- }
-err_out_nounmap:
if (bridge->driver->needs_scratch_page) {
void *va = page_address(bridge->scratch_page_page);
@@ -240,10 +224,6 @@ static void agp_backend_cleanup(struct agp_bridge_data *bridge)
bridge->driver->needs_scratch_page) {
void *va = page_address(bridge->scratch_page_page);
- if (bridge->driver->agp_unmap_page)
- bridge->driver->agp_unmap_page(bridge->scratch_page_page,
- bridge->scratch_page_dma);
-
bridge->driver->agp_destroy_page(va, AGP_PAGE_DESTROY_UNMAP);
bridge->driver->agp_destroy_page(va, AGP_PAGE_DESTROY_FREE);
}