Lines Matching refs:ttm

47 #include <drm/ttm/ttm_bo_api.h>
48 #include <drm/ttm/ttm_bo_driver.h>
49 #include <drm/ttm/ttm_module.h>
50 #include <drm/ttm/ttm_page_alloc.h>
51 #include <drm/ttm/ttm_placement.h>
60 			      struct ttm_tt *ttm,
147 	if (radeon_ttm_tt_has_userptr(rdev, bo->ttm))
235 	r = ttm_tt_set_placement_caching(bo->ttm, tmp_mem.placement);
240 	r = ttm_tt_populate(bo->bdev, bo->ttm, &ctx);
245 	r = radeon_ttm_tt_bind(bo->bdev, bo->ttm, &tmp_mem);
317 	if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) {
421 	struct ttm_dma_tt		ttm;
431 static int radeon_ttm_tt_pin_userptr(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
434 	struct radeon_ttm_tt *gtt = (void *)ttm;
448 		unsigned long end = gtt->userptr + ttm->num_pages * PAGE_SIZE;
456 		unsigned num_pages = ttm->num_pages - pinned;
458 		struct page **pages = ttm->pages + pinned;
467 	} while (pinned < ttm->num_pages);
469 	r = sg_alloc_table_from_pages(ttm->sg, ttm->pages, ttm->num_pages, 0,
470 				      ttm->num_pages << PAGE_SHIFT,
475 	r = dma_map_sgtable(rdev->dev, ttm->sg, direction, 0);
479 	drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages,
480 					 gtt->ttm.dma_address, ttm->num_pages);
485 	kfree(ttm->sg);
488 	release_pages(ttm->pages, pinned);
492 static void radeon_ttm_tt_unpin_userptr(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
495 	struct radeon_ttm_tt *gtt = (void *)ttm;
503 	if (!ttm->sg->sgl)
507 	dma_unmap_sgtable(rdev->dev, ttm->sg, direction, 0);
509 	for_each_sgtable_page(ttm->sg, &sg_iter, 0) {
518 	sg_free_table(ttm->sg);
521 static bool radeon_ttm_backend_is_bound(struct ttm_tt *ttm)
523 	struct radeon_ttm_tt *gtt = (void*)ttm;
529 				   struct ttm_tt *ttm,
532 	struct radeon_ttm_tt *gtt = (void*)ttm;
542 		radeon_ttm_tt_pin_userptr(bdev, ttm);
547 	if (!ttm->num_pages) {
549 		     ttm->num_pages, bo_mem, ttm);
551 	if (ttm->caching_state == tt_cached)
553 	r = radeon_gart_bind(rdev, gtt->offset, ttm->num_pages,
554 			     ttm->pages, gtt->ttm.dma_address, flags);
557 			  ttm->num_pages, (unsigned)gtt->offset);
564 static void radeon_ttm_backend_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
566 	struct radeon_ttm_tt *gtt = (void *)ttm;
570 		radeon_ttm_tt_unpin_userptr(bdev, ttm);
575 	radeon_gart_unbind(rdev, gtt->offset, ttm->num_pages);
580 static void radeon_ttm_backend_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
582 	struct radeon_ttm_tt *gtt = (void *)ttm;
584 	radeon_ttm_backend_unbind(bdev, ttm);
585 	ttm_tt_destroy_common(bdev, ttm);
587 	ttm_dma_tt_fini(&gtt->ttm);
609 	if (ttm_dma_tt_init(&gtt->ttm, bo, page_flags)) {
613 	return &gtt->ttm.ttm;
617 						  struct ttm_tt *ttm)
624 	if (!ttm)
626 	return container_of(ttm, struct radeon_ttm_tt, ttm.ttm);
630 				  struct ttm_tt *ttm,
634 	struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(rdev, ttm);
635 	bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
638 		ttm->sg = kzalloc(sizeof(struct sg_table), GFP_KERNEL);
639 		if (!ttm->sg)
642 		ttm->page_flags |= TTM_PAGE_FLAG_SG;
643 		ttm_tt_set_populated(ttm);
647 	if (slave && ttm->sg) {
648 		drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages,
649 						 gtt->ttm.dma_address, ttm->num_pages);
650 		ttm_tt_set_populated(ttm);
656 		return ttm_pool_populate(ttm, ctx);
662 		return ttm_dma_populate(&gtt->ttm, rdev->dev, ctx);
666 	return ttm_populate_and_map_pages(rdev->dev, &gtt->ttm, ctx);
669 static void radeon_ttm_tt_unpopulate(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
672 	struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(rdev, ttm);
673 	bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
676 		kfree(ttm->sg);
677 		ttm->page_flags &= ~TTM_PAGE_FLAG_SG;
686 		ttm_pool_unpopulate(ttm);
693 		ttm_dma_unpopulate(&gtt->ttm, rdev->dev);
698 	ttm_unmap_and_unpopulate_pages(rdev->dev, &gtt->ttm);
702 			      struct ttm_tt *ttm, uint64_t addr,
705 	struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(rdev, ttm);
717 			    struct ttm_tt *ttm)
722 		return ttm_agp_is_bound(ttm);
724 	return radeon_ttm_backend_is_bound(ttm);
728 			      struct ttm_tt *ttm,
739 		return ttm_agp_bind(ttm, bo_mem);
742 	return radeon_ttm_backend_bind(bdev, ttm, bo_mem);
746 				 struct ttm_tt *ttm)
752 		ttm_agp_unbind(ttm);
756 	radeon_ttm_backend_unbind(bdev, ttm);
760 				  struct ttm_tt *ttm)
766 		ttm_agp_unbind(ttm);
767 		ttm_tt_destroy_common(bdev, ttm);
768 		ttm_agp_destroy(ttm);
772 	radeon_ttm_backend_destroy(bdev, ttm);
776 			       struct ttm_tt *ttm)
778 	struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(rdev, ttm);
787 			       struct ttm_tt *ttm)
789 	struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(rdev, ttm);
891 	DRM_INFO("radeon: ttm finalized\n");