533 	struct radeon_ttm_tt *gtt = (void *)ttm;  in radeon_ttm_tt_pin_userptr()  local
537 	int write = !(gtt->userflags & RADEON_GEM_USERPTR_READONLY);  in radeon_ttm_tt_pin_userptr()
541 	if (current->mm != gtt->usermm)  in radeon_ttm_tt_pin_userptr()
544 	if (gtt->userflags & RADEON_GEM_USERPTR_ANONONLY) {  in radeon_ttm_tt_pin_userptr()
547 		unsigned long end = gtt->userptr + ttm->num_pages * PAGE_SIZE;  in radeon_ttm_tt_pin_userptr()
549 		vma = find_vma(gtt->usermm, gtt->userptr);  in radeon_ttm_tt_pin_userptr()
556 		uint64_t userptr = gtt->userptr + pinned * PAGE_SIZE;  in radeon_ttm_tt_pin_userptr()
580 					 gtt->ttm.dma_address, ttm->num_pages);  in radeon_ttm_tt_pin_userptr()
595 	struct radeon_ttm_tt *gtt = (void *)ttm;  in radeon_ttm_tt_unpin_userptr()  local
598 	int write = !(gtt->userflags & RADEON_GEM_USERPTR_READONLY);  in radeon_ttm_tt_unpin_userptr()
611 		if (!(gtt->userflags & RADEON_GEM_USERPTR_READONLY))  in radeon_ttm_tt_unpin_userptr()
624 	struct radeon_ttm_tt *gtt = (void*)ttm;  in radeon_ttm_backend_bind()  local
629 	if (gtt->userptr) {  in radeon_ttm_backend_bind()
634 	gtt->offset = (unsigned long)(bo_mem->start << PAGE_SHIFT);  in radeon_ttm_backend_bind()
641 	r = radeon_gart_bind(gtt->rdev, gtt->offset, ttm->num_pages,  in radeon_ttm_backend_bind()
642 			     ttm->pages, gtt->ttm.dma_address, flags);  in radeon_ttm_backend_bind()
645 			  ttm->num_pages, (unsigned)gtt->offset);  in radeon_ttm_backend_bind()
653 	struct radeon_ttm_tt *gtt = (void *)ttm;  in radeon_ttm_backend_unbind()  local
655 	radeon_gart_unbind(gtt->rdev, gtt->offset, ttm->num_pages);  in radeon_ttm_backend_unbind()
657 	if (gtt->userptr)  in radeon_ttm_backend_unbind()
665 	struct radeon_ttm_tt *gtt = (void *)ttm;  in radeon_ttm_backend_destroy()  local
667 	ttm_dma_tt_fini(&gtt->ttm);  in radeon_ttm_backend_destroy()
668 	kfree(gtt);  in radeon_ttm_backend_destroy()
682 	struct radeon_ttm_tt *gtt;  in radeon_ttm_tt_create()  local
692 	gtt = kzalloc(sizeof(struct radeon_ttm_tt), GFP_KERNEL);  in radeon_ttm_tt_create()
693 	if (gtt == NULL) {  in radeon_ttm_tt_create()
696 	gtt->ttm.ttm.func = &radeon_backend_func;  in radeon_ttm_tt_create()
697 	gtt->rdev = rdev;  in radeon_ttm_tt_create()
698 	if (ttm_dma_tt_init(&gtt->ttm, bdev, size, page_flags, dummy_read_page)) {  in radeon_ttm_tt_create()
699 		kfree(gtt);  in radeon_ttm_tt_create()
702 	return &gtt->ttm.ttm;  in radeon_ttm_tt_create()
714 	struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(ttm);  in radeon_ttm_tt_populate()  local
723 	if (gtt && gtt->userptr) {  in radeon_ttm_tt_populate()
735 						 gtt->ttm.dma_address, ttm->num_pages);  in radeon_ttm_tt_populate()
749 		return ttm_dma_populate(&gtt->ttm, rdev->dev);  in radeon_ttm_tt_populate()
759 		gtt->ttm.dma_address[i] = pci_map_page(rdev->pdev, ttm->pages[i],  in radeon_ttm_tt_populate()
762 		if (pci_dma_mapping_error(rdev->pdev, gtt->ttm.dma_address[i])) {  in radeon_ttm_tt_populate()
764 				pci_unmap_page(rdev->pdev, gtt->ttm.dma_address[i],  in radeon_ttm_tt_populate()
766 				gtt->ttm.dma_address[i] = 0;  in radeon_ttm_tt_populate()
778 	struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(ttm);  in radeon_ttm_tt_unpopulate()  local
782 	if (gtt && gtt->userptr) {  in radeon_ttm_tt_unpopulate()
801 		ttm_dma_unpopulate(&gtt->ttm, rdev->dev);  in radeon_ttm_tt_unpopulate()
807 		if (gtt->ttm.dma_address[i]) {  in radeon_ttm_tt_unpopulate()
808 			pci_unmap_page(rdev->pdev, gtt->ttm.dma_address[i],  in radeon_ttm_tt_unpopulate()
819 	struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(ttm);  in radeon_ttm_tt_set_userptr()  local
821 	if (gtt == NULL)  in radeon_ttm_tt_set_userptr()
824 	gtt->userptr = addr;  in radeon_ttm_tt_set_userptr()
825 	gtt->usermm = current->mm;  in radeon_ttm_tt_set_userptr()
826 	gtt->userflags = flags;  in radeon_ttm_tt_set_userptr()
832 	struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(ttm);  in radeon_ttm_tt_has_userptr()  local
834 	if (gtt == NULL)  in radeon_ttm_tt_has_userptr()
837 	return !!gtt->userptr;  in radeon_ttm_tt_has_userptr()
842 	struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(ttm);  in radeon_ttm_tt_is_readonly()  local
844 	if (gtt == NULL)  in radeon_ttm_tt_is_readonly()
847 	return !!(gtt->userflags & RADEON_GEM_USERPTR_READONLY);  in radeon_ttm_tt_is_readonly()
1170 	rdev->mman.gtt = ent;  in radeon_ttm_debugfs_init()
1193 	debugfs_remove(rdev->mman.gtt);  in radeon_ttm_debugfs_fini()
1194 	rdev->mman.gtt = NULL;  in radeon_ttm_debugfs_fini()