2  * Copyright 2012 Advanced Micro Devices, Inc.
27 #include <linux/dma-buf.h>
41 	return drm_prime_pages_to_sg(obj->dev, bo->tbo.ttm->pages,  in radeon_gem_prime_get_sg_table()
42 				     bo->tbo.ttm->num_pages);  in radeon_gem_prime_get_sg_table()
47 							struct sg_table *sg)  in radeon_gem_prime_import_sg_table()  argument
49 	struct dma_resv *resv = attach->dmabuf->resv;  in radeon_gem_prime_import_sg_table()
50 	struct radeon_device *rdev = dev->dev_private;  in radeon_gem_prime_import_sg_table()
55 	ret = radeon_bo_create(rdev, attach->dmabuf->size, PAGE_SIZE, false,  in radeon_gem_prime_import_sg_table()
56 			       RADEON_GEM_DOMAIN_GTT, 0, sg, resv, &bo);  in radeon_gem_prime_import_sg_table()
61 	bo->tbo.base.funcs = &radeon_gem_object_funcs;  in radeon_gem_prime_import_sg_table()
63 	mutex_lock(&rdev->gem.mutex);  in radeon_gem_prime_import_sg_table()
64 	list_add_tail(&bo->list, &rdev->gem.objects);  in radeon_gem_prime_import_sg_table()
65 	mutex_unlock(&rdev->gem.mutex);  in radeon_gem_prime_import_sg_table()
67 	bo->prime_shared_count = 1;  in radeon_gem_prime_import_sg_table()
68 	return &bo->tbo.base;  in radeon_gem_prime_import_sg_table()
79 		bo->prime_shared_count++;  in radeon_gem_prime_pin()
89 	if (bo->prime_shared_count)  in radeon_gem_prime_unpin()
90 		bo->prime_shared_count--;  in radeon_gem_prime_unpin()
98 	if (radeon_ttm_tt_has_userptr(bo->rdev, bo->tbo.ttm))  in radeon_gem_prime_export()
99 		return ERR_PTR(-EPERM);  in radeon_gem_prime_export()