diff options
Diffstat (limited to 'linux-core/drm_memory.h')
-rw-r--r-- | linux-core/drm_memory.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/linux-core/drm_memory.h b/linux-core/drm_memory.h index 32b89e5f..5590c491 100644 --- a/linux-core/drm_memory.h +++ b/linux-core/drm_memory.h @@ -57,83 +57,6 @@ # endif #endif -/* - * Find the drm_map that covers the range [offset, offset+size). - */ -static inline drm_map_t *drm_lookup_map(unsigned long offset, - unsigned long size, drm_device_t * dev) -{ - struct list_head *list; - drm_map_list_t *r_list; - drm_map_t *map; - - list_for_each(list, &dev->maplist->head) { - r_list = (drm_map_list_t *) list; - map = r_list->map; - if (!map) - continue; - if (map->offset <= offset - && (offset + size) <= (map->offset + map->size)) - return map; - } - return NULL; -} - -static inline void *agp_remap(unsigned long offset, unsigned long size, - drm_device_t * dev) -{ - unsigned long *phys_addr_map, i, num_pages = - PAGE_ALIGN(size) / PAGE_SIZE; - struct drm_agp_mem *agpmem; - struct page **page_map; - void *addr; - - size = PAGE_ALIGN(size); - -#ifdef __alpha__ - offset -= dev->hose->mem_space->start; -#endif - - for (agpmem = dev->agp->memory; agpmem; agpmem = agpmem->next) - if (agpmem->bound <= offset - && (agpmem->bound + (agpmem->pages << PAGE_SHIFT)) >= - (offset + size)) - break; - if (!agpmem) - return NULL; - - /* - * OK, we're mapping AGP space on a chipset/platform on which memory accesses by - * the CPU do not get remapped by the GART. We fix this by using the kernel's - * page-table instead (that's probably faster anyhow...). - */ - /* note: use vmalloc() because num_pages could be large... */ - page_map = vmalloc(num_pages * sizeof(struct page *)); - if (!page_map) - return NULL; - - phys_addr_map = - agpmem->memory->memory + (offset - agpmem->bound) / PAGE_SIZE; - for (i = 0; i < num_pages; ++i) - page_map[i] = pfn_to_page(phys_addr_map[i] >> PAGE_SHIFT); - addr = vmap(page_map, num_pages, VM_IOREMAP, PAGE_AGP); - vfree(page_map); - - return addr; -} - #else /* __OS_HAS_AGP */ -static inline drm_map_t *drm_lookup_map(unsigned long offset, - unsigned long size, drm_device_t * dev) -{ - return NULL; -} - -static inline void *agp_remap(unsigned long offset, unsigned long size, - drm_device_t * dev) -{ - return NULL; -} - #endif |