Lines Matching refs:gt

146 static int psb_gtt_attach_pages(struct gtt_range *gt)  in psb_gtt_attach_pages()  argument
150 	WARN_ON(gt->pages);  in psb_gtt_attach_pages()
152 	pages = drm_gem_get_pages(&gt->gem);  in psb_gtt_attach_pages()
156 	gt->npage = gt->gem.size / PAGE_SIZE;  in psb_gtt_attach_pages()
157 	gt->pages = pages;  in psb_gtt_attach_pages()
171 static void psb_gtt_detach_pages(struct gtt_range *gt)  in psb_gtt_detach_pages()  argument
173 	drm_gem_put_pages(&gt->gem, gt->pages, true, false);  in psb_gtt_detach_pages()
174 	gt->pages = NULL;  in psb_gtt_detach_pages()
187 int psb_gtt_pin(struct gtt_range *gt)  in psb_gtt_pin()  argument
190 	struct drm_device *dev = gt->gem.dev;  in psb_gtt_pin()
196 	if (gt->in_gart == 0 && gt->stolen == 0) {  in psb_gtt_pin()
197 		ret = psb_gtt_attach_pages(gt);  in psb_gtt_pin()
200 		ret = psb_gtt_insert(dev, gt, 0);  in psb_gtt_pin()
202 			psb_gtt_detach_pages(gt);  in psb_gtt_pin()
206 				     gt->pages, (gpu_base + gt->offset),  in psb_gtt_pin()
207 				     gt->npage, 0, 0, PSB_MMU_CACHED_MEMORY);  in psb_gtt_pin()
209 	gt->in_gart++;  in psb_gtt_pin()
226 void psb_gtt_unpin(struct gtt_range *gt)  in psb_gtt_unpin()  argument
228 	struct drm_device *dev = gt->gem.dev;  in psb_gtt_unpin()
234 	WARN_ON(!gt->in_gart);  in psb_gtt_unpin()
236 	gt->in_gart--;  in psb_gtt_unpin()
237 	if (gt->in_gart == 0 && gt->stolen == 0) {  in psb_gtt_unpin()
239 				     (gpu_base + gt->offset), gt->npage, 0, 0);  in psb_gtt_unpin()
240 		psb_gtt_remove(dev, gt);  in psb_gtt_unpin()
241 		psb_gtt_detach_pages(gt);  in psb_gtt_unpin()
270 	struct gtt_range *gt;  in psb_gtt_alloc_range()  local
285 	gt = kzalloc(sizeof(struct gtt_range), GFP_KERNEL);  in psb_gtt_alloc_range()
286 	if (gt == NULL)  in psb_gtt_alloc_range()
288 	gt->resource.name = name;  in psb_gtt_alloc_range()
289 	gt->stolen = backed;  in psb_gtt_alloc_range()
290 	gt->in_gart = backed;  in psb_gtt_alloc_range()
292 	gt->gem.dev = dev;  in psb_gtt_alloc_range()
293 	ret = allocate_resource(dev_priv->gtt_mem, &gt->resource,  in psb_gtt_alloc_range()
296 		gt->offset = gt->resource.start - r->start;  in psb_gtt_alloc_range()
297 		return gt;  in psb_gtt_alloc_range()
299 	kfree(gt);  in psb_gtt_alloc_range()
311 void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt)  in psb_gtt_free_range()  argument
314 	if (gt->mmapping) {  in psb_gtt_free_range()
315 		psb_gtt_unpin(gt);  in psb_gtt_free_range()
316 		gt->mmapping = 0;  in psb_gtt_free_range()
318 	WARN_ON(gt->in_gart && !gt->stolen);  in psb_gtt_free_range()
319 	release_resource(&gt->resource);  in psb_gtt_free_range()
320 	kfree(gt);  in psb_gtt_free_range()