17 	struct udl_gem_object *obj;  in udl_gem_alloc_object()  local
19 	obj = kzalloc(sizeof(*obj), GFP_KERNEL);  in udl_gem_alloc_object()
20 	if (obj == NULL)  in udl_gem_alloc_object()
23 	if (drm_gem_object_init(dev, &obj->base, size) != 0) {  in udl_gem_alloc_object()
24 		kfree(obj);  in udl_gem_alloc_object()
28 	obj->flags = UDL_BO_CACHEABLE;  in udl_gem_alloc_object()
29 	return obj;  in udl_gem_alloc_object()
38 	struct udl_gem_object *obj;  in udl_gem_create()  local
44 	obj = udl_gem_alloc_object(dev, size);  in udl_gem_create()
45 	if (obj == NULL)  in udl_gem_create()
48 	ret = drm_gem_handle_create(file, &obj->base, &handle);  in udl_gem_create()
50 		drm_gem_object_release(&obj->base);  in udl_gem_create()
51 		kfree(obj);  in udl_gem_create()
55 	drm_gem_object_unreference_unlocked(&obj->base);  in udl_gem_create()
60 static void update_vm_cache_attr(struct udl_gem_object *obj,  in update_vm_cache_attr()  argument
63 	DRM_DEBUG_KMS("flags = 0x%x\n", obj->flags);  in update_vm_cache_attr()
66 	if (obj->flags & UDL_BO_CACHEABLE) {  in update_vm_cache_attr()
68 	} else if (obj->flags & UDL_BO_WC) {  in update_vm_cache_attr()
105 	struct udl_gem_object *obj = to_udl_bo(vma->vm_private_data);  in udl_gem_fault()  local
113 	if (!obj->pages)  in udl_gem_fault()
116 	page = obj->pages[page_offset];  in udl_gem_fault()
130 int udl_gem_get_pages(struct udl_gem_object *obj)  in udl_gem_get_pages()  argument
134 	if (obj->pages)  in udl_gem_get_pages()
137 	pages = drm_gem_get_pages(&obj->base);  in udl_gem_get_pages()
141 	obj->pages = pages;  in udl_gem_get_pages()
146 void udl_gem_put_pages(struct udl_gem_object *obj)  in udl_gem_put_pages()  argument
148 	if (obj->base.import_attach) {  in udl_gem_put_pages()
149 		drm_free_large(obj->pages);  in udl_gem_put_pages()
150 		obj->pages = NULL;  in udl_gem_put_pages()
154 	drm_gem_put_pages(&obj->base, obj->pages, false, false);  in udl_gem_put_pages()
155 	obj->pages = NULL;  in udl_gem_put_pages()
158 int udl_gem_vmap(struct udl_gem_object *obj)  in udl_gem_vmap()  argument
160 	int page_count = obj->base.size / PAGE_SIZE;  in udl_gem_vmap()
163 	if (obj->base.import_attach) {  in udl_gem_vmap()
164 		obj->vmapping = dma_buf_vmap(obj->base.import_attach->dmabuf);  in udl_gem_vmap()
165 		if (!obj->vmapping)  in udl_gem_vmap()
170 	ret = udl_gem_get_pages(obj);  in udl_gem_vmap()
174 	obj->vmapping = vmap(obj->pages, page_count, 0, PAGE_KERNEL);  in udl_gem_vmap()
175 	if (!obj->vmapping)  in udl_gem_vmap()
180 void udl_gem_vunmap(struct udl_gem_object *obj)  in udl_gem_vunmap()  argument
182 	if (obj->base.import_attach) {  in udl_gem_vunmap()
183 		dma_buf_vunmap(obj->base.import_attach->dmabuf, obj->vmapping);  in udl_gem_vunmap()
187 	vunmap(obj->vmapping);  in udl_gem_vunmap()
189 	udl_gem_put_pages(obj);  in udl_gem_vunmap()
194 	struct udl_gem_object *obj = to_udl_bo(gem_obj);  in udl_gem_free_object()  local
196 	if (obj->vmapping)  in udl_gem_free_object()
197 		udl_gem_vunmap(obj);  in udl_gem_free_object()
200 		drm_prime_gem_destroy(gem_obj, obj->sg);  in udl_gem_free_object()
204 	if (obj->pages)  in udl_gem_free_object()
205 		udl_gem_put_pages(obj);  in udl_gem_free_object()
216 	struct drm_gem_object *obj;  in udl_gem_mmap()  local
220 	obj = drm_gem_object_lookup(dev, file, handle);  in udl_gem_mmap()
221 	if (obj == NULL) {  in udl_gem_mmap()
225 	gobj = to_udl_bo(obj);  in udl_gem_mmap()
230 	ret = drm_gem_create_mmap_offset(obj);  in udl_gem_mmap()