2  * Copyright 2012 Advanced Micro Devices, Inc.
27 #include <linux/dma-buf.h>
37 	int npages = bo->tbo.num_pages;  in radeon_gem_prime_get_sg_table()
39 	return drm_prime_pages_to_sg(obj->dev, bo->tbo.ttm->pages, npages);  in radeon_gem_prime_get_sg_table()
47 	ret = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.num_pages,  in radeon_gem_prime_vmap()
48 			  &bo->dma_buf_vmap);  in radeon_gem_prime_vmap()
52 	return bo->dma_buf_vmap.virtual;  in radeon_gem_prime_vmap()
59 	ttm_bo_kunmap(&bo->dma_buf_vmap);  in radeon_gem_prime_vunmap()
64 							struct sg_table *sg)  in radeon_gem_prime_import_sg_table()  argument
66 	struct dma_resv *resv = attach->dmabuf->resv;  in radeon_gem_prime_import_sg_table()
67 	struct radeon_device *rdev = dev->dev_private;  in radeon_gem_prime_import_sg_table()
72 	ret = radeon_bo_create(rdev, attach->dmabuf->size, PAGE_SIZE, false,  in radeon_gem_prime_import_sg_table()
73 			       RADEON_GEM_DOMAIN_GTT, 0, sg, resv, &bo);  in radeon_gem_prime_import_sg_table()
78 	mutex_lock(&rdev->gem.mutex);  in radeon_gem_prime_import_sg_table()
79 	list_add_tail(&bo->list, &rdev->gem.objects);  in radeon_gem_prime_import_sg_table()
80 	mutex_unlock(&rdev->gem.mutex);  in radeon_gem_prime_import_sg_table()
82 	bo->prime_shared_count = 1;  in radeon_gem_prime_import_sg_table()
83 	return &bo->tbo.base;  in radeon_gem_prime_import_sg_table()
98 		bo->prime_shared_count++;  in radeon_gem_prime_pin()
114 	if (bo->prime_shared_count)  in radeon_gem_prime_unpin()
115 		bo->prime_shared_count--;  in radeon_gem_prime_unpin()
124 	if (radeon_ttm_tt_has_userptr(bo->rdev, bo->tbo.ttm))  in radeon_gem_prime_export()
125 		return ERR_PTR(-EPERM);  in radeon_gem_prime_export()