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Use headers copied from kernel instead of shared-core
[android-x86/external-libdrm.git] / linux-core / drm_memory.h
index 32b89e5..63e425b 100644 (file)
@@ -42,7 +42,6 @@
  * drm_memory.h.
  */
 
-/* Need the 4-argument version of vmap().  */
 #if __OS_HAS_AGP
 
 #include <linux/vmalloc.h>
 # 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