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agp: kill agp_(map|unmap)_page

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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>
This commit is contained in:
Daniel Vetter 2010-09-09 18:17:34 +02:00 committed by Chris Wilson
parent d0b6dc4b93
commit a87aa5cc00
2 changed files with 1 additions and 23 deletions
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2
drivers/char/agp/agp.h
View File

@ -122,8 +122,6 @@ struct agp_bridge_driver {
int (*agp_type_to_mask_type) (struct agp_bridge_data *, int);
void (*chipset_flush)(struct agp_bridge_data *);
int (*agp_map_page)(struct page *page, dma_addr_t *ret);
void (*agp_unmap_page)(struct page *page, dma_addr_t dma);
int (*agp_map_memory)(struct agp_memory *mem);
void (*agp_unmap_memory)(struct agp_memory *mem);
};

22
drivers/char/agp/backend.c
View File

@ -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);
}