43  * in the GPU's address space.  System pages can be mapped into
44  * the aperture and look like contiguous pages from the GPU's
45  * perspective.  A page table maps the pages in the aperture
46  * to the actual backing pages in system memory.
278  * radeon_gart_unbind - unbind pages from the gart page table
282  * @pages: number of pages to unbind
284  * Unbinds the requested pages from the gart page table and
288 			int pages)  in radeon_gart_unbind()  argument
299 	for (i = 0; i < pages; i++, p++) {  in radeon_gart_unbind()
300 		if (rdev->gart.pages[p]) {  in radeon_gart_unbind()
301 			rdev->gart.pages[p] = NULL;  in radeon_gart_unbind()
318  * radeon_gart_bind - bind pages into the gart page table
322  * @pages: number of pages to bind
323  * @pagelist: pages to bind
324  * @dma_addr: DMA addresses of pages
327  * Binds the requested pages to the gart page table
332 		     int pages, struct vm_page **pagelist, dma_addr_t *dma_addr,  in radeon_gart_bind()  argument
346 	for (i = 0; i < pages; i++, p++) {  in radeon_gart_bind()
347 		rdev->gart.pages[p] = pagelist ? pagelist[i] :  in radeon_gart_bind()
378 	if (rdev->gart.pages)  in radeon_gart_init()
392 	DRM_INFO("GART: num cpu pages %u, num gpu pages %u\n",  in radeon_gart_init()
394 	/* Allocate pages table */  in radeon_gart_init()
395 	rdev->gart.pages = vzalloc(array_size(sizeof(void *),  in radeon_gart_init()
397 	if (rdev->gart.pages == NULL) {  in radeon_gart_init()
423 		/* unbind pages */  in radeon_gart_fini()
427 	vfree(rdev->gart.pages);  in radeon_gart_fini()
429 	rdev->gart.pages = NULL;  in radeon_gart_fini()