58 	struct drm_gem_cma_object *cma_obj;  in __drm_gem_cma_create()  local
62 	cma_obj = kzalloc(sizeof(*cma_obj), GFP_KERNEL);  in __drm_gem_cma_create()
63 	if (!cma_obj)  in __drm_gem_cma_create()
66 	gem_obj = &cma_obj->base;  in __drm_gem_cma_create()
78 	return cma_obj;  in __drm_gem_cma_create()
81 	kfree(cma_obj);  in __drm_gem_cma_create()
101 	struct drm_gem_cma_object *cma_obj;  in drm_gem_cma_create()  local
106 	cma_obj = __drm_gem_cma_create(drm, size);  in drm_gem_cma_create()
107 	if (IS_ERR(cma_obj))  in drm_gem_cma_create()
108 		return cma_obj;  in drm_gem_cma_create()
110 	cma_obj->vaddr = dma_alloc_writecombine(drm->dev, size,  in drm_gem_cma_create()
111 			&cma_obj->paddr, GFP_KERNEL | __GFP_NOWARN);  in drm_gem_cma_create()
112 	if (!cma_obj->vaddr) {  in drm_gem_cma_create()
119 	return cma_obj;  in drm_gem_cma_create()
122 	drm_gem_cma_free_object(&cma_obj->base);  in drm_gem_cma_create()
148 	struct drm_gem_cma_object *cma_obj;  in drm_gem_cma_create_with_handle()  local
152 	cma_obj = drm_gem_cma_create(drm, size);  in drm_gem_cma_create_with_handle()
153 	if (IS_ERR(cma_obj))  in drm_gem_cma_create_with_handle()
154 		return cma_obj;  in drm_gem_cma_create_with_handle()
156 	gem_obj = &cma_obj->base;  in drm_gem_cma_create_with_handle()
169 	return cma_obj;  in drm_gem_cma_create_with_handle()
188 	struct drm_gem_cma_object *cma_obj;  in drm_gem_cma_free_object()  local
190 	cma_obj = to_drm_gem_cma_obj(gem_obj);  in drm_gem_cma_free_object()
192 	if (cma_obj->vaddr) {  in drm_gem_cma_free_object()
193 		dma_free_writecombine(gem_obj->dev->dev, cma_obj->base.size,  in drm_gem_cma_free_object()
194 				      cma_obj->vaddr, cma_obj->paddr);  in drm_gem_cma_free_object()
196 		drm_prime_gem_destroy(gem_obj, cma_obj->sgt);  in drm_gem_cma_free_object()
201 	kfree(cma_obj);  in drm_gem_cma_free_object()
224 	struct drm_gem_cma_object *cma_obj;  in drm_gem_cma_dumb_create_internal()  local
232 	cma_obj = drm_gem_cma_create_with_handle(file_priv, drm, args->size,  in drm_gem_cma_dumb_create_internal()
234 	return PTR_ERR_OR_ZERO(cma_obj);  in drm_gem_cma_dumb_create_internal()
260 	struct drm_gem_cma_object *cma_obj;  in drm_gem_cma_dumb_create()  local
265 	cma_obj = drm_gem_cma_create_with_handle(file_priv, drm, args->size,  in drm_gem_cma_dumb_create()
267 	return PTR_ERR_OR_ZERO(cma_obj);  in drm_gem_cma_dumb_create()
317 static int drm_gem_cma_mmap_obj(struct drm_gem_cma_object *cma_obj,  in drm_gem_cma_mmap_obj()  argument
330 	ret = dma_mmap_writecombine(cma_obj->base.dev->dev, vma,  in drm_gem_cma_mmap_obj()
331 				    cma_obj->vaddr, cma_obj->paddr,  in drm_gem_cma_mmap_obj()
356 	struct drm_gem_cma_object *cma_obj;  in drm_gem_cma_mmap()  local
365 	cma_obj = to_drm_gem_cma_obj(gem_obj);  in drm_gem_cma_mmap()
367 	return drm_gem_cma_mmap_obj(cma_obj, vma);  in drm_gem_cma_mmap()
380 void drm_gem_cma_describe(struct drm_gem_cma_object *cma_obj,  in drm_gem_cma_describe()  argument
383 	struct drm_gem_object *obj = &cma_obj->base;  in drm_gem_cma_describe()
393 			off, &cma_obj->paddr, cma_obj->vaddr, obj->size);  in drm_gem_cma_describe()
414 	struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);  in drm_gem_cma_prime_get_sg_table()  local
422 	ret = dma_get_sgtable(obj->dev->dev, sgt, cma_obj->vaddr,  in drm_gem_cma_prime_get_sg_table()
423 			      cma_obj->paddr, obj->size);  in drm_gem_cma_prime_get_sg_table()
457 	struct drm_gem_cma_object *cma_obj;  in drm_gem_cma_prime_import_sg_table()  local
463 	cma_obj = __drm_gem_cma_create(dev, attach->dmabuf->size);  in drm_gem_cma_prime_import_sg_table()
464 	if (IS_ERR(cma_obj))  in drm_gem_cma_prime_import_sg_table()
465 		return ERR_CAST(cma_obj);  in drm_gem_cma_prime_import_sg_table()
467 	cma_obj->paddr = sg_dma_address(sgt->sgl);  in drm_gem_cma_prime_import_sg_table()
468 	cma_obj->sgt = sgt;  in drm_gem_cma_prime_import_sg_table()
470 	DRM_DEBUG_PRIME("dma_addr = %pad, size = %zu\n", &cma_obj->paddr, attach->dmabuf->size);  in drm_gem_cma_prime_import_sg_table()
472 	return &cma_obj->base;  in drm_gem_cma_prime_import_sg_table()
491 	struct drm_gem_cma_object *cma_obj;  in drm_gem_cma_prime_mmap()  local
501 	cma_obj = to_drm_gem_cma_obj(obj);  in drm_gem_cma_prime_mmap()
502 	return drm_gem_cma_mmap_obj(cma_obj, vma);  in drm_gem_cma_prime_mmap()
522 	struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);  in drm_gem_cma_prime_vmap()  local
524 	return cma_obj->vaddr;  in drm_gem_cma_prime_vmap()