203 static int psb_gtt_attach_pages(struct gtt_range *gt)  in psb_gtt_attach_pages()  argument
207 	WARN_ON(gt->pages);  in psb_gtt_attach_pages()
209 	pages = drm_gem_get_pages(&gt->gem);  in psb_gtt_attach_pages()
213 	gt->npage = gt->gem.size / PAGE_SIZE;  in psb_gtt_attach_pages()
214 	gt->pages = pages;  in psb_gtt_attach_pages()
228 static void psb_gtt_detach_pages(struct gtt_range *gt)  in psb_gtt_detach_pages()  argument
230 	drm_gem_put_pages(&gt->gem, gt->pages, true, false);  in psb_gtt_detach_pages()
231 	gt->pages = NULL;  in psb_gtt_detach_pages()
244 int psb_gtt_pin(struct gtt_range *gt)  in psb_gtt_pin()  argument
247 	struct drm_device *dev = gt->gem.dev;  in psb_gtt_pin()
253 	if (gt->in_gart == 0 && gt->stolen == 0) {  in psb_gtt_pin()
254 		ret = psb_gtt_attach_pages(gt);  in psb_gtt_pin()
257 		ret = psb_gtt_insert(dev, gt, 0);  in psb_gtt_pin()
259 			psb_gtt_detach_pages(gt);  in psb_gtt_pin()
263 				     gt->pages, (gpu_base + gt->offset),  in psb_gtt_pin()
264 				     gt->npage, 0, 0, PSB_MMU_CACHED_MEMORY);  in psb_gtt_pin()
266 	gt->in_gart++;  in psb_gtt_pin()
283 void psb_gtt_unpin(struct gtt_range *gt)  in psb_gtt_unpin()  argument
285 	struct drm_device *dev = gt->gem.dev;  in psb_gtt_unpin()
300 	WARN_ON(!gt->in_gart);  in psb_gtt_unpin()
302 	gt->in_gart--;  in psb_gtt_unpin()
303 	if (gt->in_gart == 0 && gt->stolen == 0) {  in psb_gtt_unpin()
305 				     (gpu_base + gt->offset), gt->npage, 0, 0);  in psb_gtt_unpin()
306 		psb_gtt_remove(dev, gt);  in psb_gtt_unpin()
307 		psb_gtt_detach_pages(gt);  in psb_gtt_unpin()
336 	struct gtt_range *gt;  in psb_gtt_alloc_range()  local
351 	gt = kzalloc(sizeof(struct gtt_range), GFP_KERNEL);  in psb_gtt_alloc_range()
352 	if (gt == NULL)  in psb_gtt_alloc_range()
354 	gt->resource.name = name;  in psb_gtt_alloc_range()
355 	gt->stolen = backed;  in psb_gtt_alloc_range()
356 	gt->in_gart = backed;  in psb_gtt_alloc_range()
357 	gt->roll = 0;  in psb_gtt_alloc_range()
359 	gt->gem.dev = dev;  in psb_gtt_alloc_range()
360 	ret = allocate_resource(dev_priv->gtt_mem, &gt->resource,  in psb_gtt_alloc_range()
363 		gt->offset = gt->resource.start - r->start;  in psb_gtt_alloc_range()
364 		return gt;  in psb_gtt_alloc_range()
366 	kfree(gt);  in psb_gtt_alloc_range()
378 void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt)  in psb_gtt_free_range()  argument
381 	if (gt->mmapping) {  in psb_gtt_free_range()
382 		psb_gtt_unpin(gt);  in psb_gtt_free_range()
383 		gt->mmapping = 0;  in psb_gtt_free_range()
385 	WARN_ON(gt->in_gart && !gt->stolen);  in psb_gtt_free_range()
386 	release_resource(&gt->resource);  in psb_gtt_free_range()
387 	kfree(gt);  in psb_gtt_free_range()