dist/drm/drm_agpsupport.c

217  * memory via agp_allocate_memory() and creates a drm_agp_mem entry for it.
221 	struct drm_agp_mem *entry;
228 	entry = kzalloc(sizeof(*entry), GFP_KERNEL);
229 	if (!entry)
236 		kfree(entry);
242 	entry->handle = (unsigned long)memory->am_id + 1;
244 	entry->handle = (unsigned long)memory->key + 1;
246 	entry->memory = memory;
247 	entry->bound = 0;
248 	entry->pages = pages;
249 	list_add(&entry->head, &dev->agp->memory);
251 	request->handle = entry->handle;
276  * Search for the AGP memory entry associated with a handle.
287 	struct drm_agp_mem *entry;
289 	list_for_each_entry(entry, &dev->agp->memory, head) {
290 		if (entry->handle == handle)
291 			return entry;
306  * entry and passes it to the unbind_agp() function.
310 	struct drm_agp_mem *entry;
315 	entry = drm_agp_lookup_entry(dev, request->handle);
316 	if (!entry || !entry->bound)
319 	ret = drm_unbind_agp(dev->agp->bridge, entry->memory);
321 	ret = drm_unbind_agp(entry->memory);
324 		entry->bound = 0;
348  * is currently bound into the GATT. Looks-up the AGP memory entry and passes
353 	struct drm_agp_mem *entry;
359 	entry = drm_agp_lookup_entry(dev, request->handle);
360 	if (!entry || entry->bound)
364 	if ((retcode = drm_bind_agp(dev->agp->bridge, entry->memory, page)))
367 	retcode = drm_bind_agp(entry->memory, page);
371 	entry->bound = dev->agp->base + (page << PAGE_SHIFT);
372 	DRM_DEBUG("base = 0x%lx entry->bound = 0x%lx\n",
373 		  dev->agp->base, entry->bound);
397  * AGP memory entry. If the memory is currently bound, unbind it via
398  * unbind_agp(). Frees it via free_agp() as well as the entry itself
403 	struct drm_agp_mem *entry;
407 	entry = drm_agp_lookup_entry(dev, request->handle);
408 	if (!entry)
410 	if (entry->bound)
412 		drm_unbind_agp(dev->agp->bridge, entry->memory);
414 		drm_unbind_agp(entry->memory);
417 	list_del(&entry->head);
420 	drm_free_agp(dev->agp->bridge, entry->memory, entry->pages);
422 	drm_free_agp(entry->memory, entry->pages);
424 	kfree(entry);
503 	struct drm_agp_mem *entry, *tempe;
510 	list_for_each_entry_safe(entry, tempe, &dev->agp->memory, head) {
512 		if (entry->bound)
513 			drm_unbind_agp(dev->agp->bridge, entry->memory);
514 		drm_free_agp(dev->agp->bridge, entry->memory, entry->pages);
516 		if (entry->bound)
517 			drm_unbind_agp(entry->memory);
518 		drm_free_agp(entry->memory, entry->pages);
520 		kfree(entry);