42 static void drm_tegra_bo_free(struct drm_tegra_bo *bo)  in drm_tegra_bo_free()  argument
44 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_free()
47 	if (bo->map)  in drm_tegra_bo_free()
48 		munmap(bo->map, bo->size);  in drm_tegra_bo_free()
51 	args.handle = bo->handle;  in drm_tegra_bo_free()
55 	free(bo);  in drm_tegra_bo_free()
115 	struct drm_tegra_bo *bo;  in drm_tegra_bo_new()  local
121 	bo = calloc(1, sizeof(*bo));  in drm_tegra_bo_new()
122 	if (!bo)  in drm_tegra_bo_new()
125 	atomic_set(&bo->ref, 1);  in drm_tegra_bo_new()
126 	bo->flags = flags;  in drm_tegra_bo_new()
127 	bo->size = size;  in drm_tegra_bo_new()
128 	bo->drm = drm;  in drm_tegra_bo_new()
138 		free(bo);  in drm_tegra_bo_new()
142 	bo->handle = args.handle;  in drm_tegra_bo_new()
144 	*bop = bo;  in drm_tegra_bo_new()
153 	struct drm_tegra_bo *bo;  in drm_tegra_bo_wrap()  local
158 	bo = calloc(1, sizeof(*bo));  in drm_tegra_bo_wrap()
159 	if (!bo)  in drm_tegra_bo_wrap()
162 	atomic_set(&bo->ref, 1);  in drm_tegra_bo_wrap()
163 	bo->handle = handle;  in drm_tegra_bo_wrap()
164 	bo->flags = flags;  in drm_tegra_bo_wrap()
165 	bo->size = size;  in drm_tegra_bo_wrap()
166 	bo->drm = drm;  in drm_tegra_bo_wrap()
168 	*bop = bo;  in drm_tegra_bo_wrap()
177 	struct drm_tegra_bo *bo;  in drm_tegra_bo_name_ref()  local
207 int drm_tegra_bo_name_get(struct drm_tegra_bo *bo, uint32_t *name)  in drm_tegra_bo_name_get()  argument
212 	args.handle =  bo->handle;  in drm_tegra_bo_name_get()
214 	*name = bo->name;  in drm_tegra_bo_name_get()
218 	ret = drmIoctl(bo->drm->fd, DRM_IOCTL_GEM_FLINK, &args);  in drm_tegra_bo_name_get()
224 	bo->name = args.name;  in drm_tegra_bo_name_get()
225 	*name = bo->name;  in drm_tegra_bo_name_get()
231 struct drm_tegra_bo *drm_tegra_bo_ref(struct drm_tegra_bo *bo)  in drm_tegra_bo_ref()  argument
233 	if (bo)  in drm_tegra_bo_ref()
234 		atomic_inc(&bo->ref);  in drm_tegra_bo_ref()
236 	return bo;  in drm_tegra_bo_ref()
240 void drm_tegra_bo_unref(struct drm_tegra_bo *bo)  in drm_tegra_bo_unref()  argument
242 	if (bo && atomic_dec_and_test(&bo->ref))  in drm_tegra_bo_unref()
243 		drm_tegra_bo_free(bo);  in drm_tegra_bo_unref()
247 int drm_tegra_bo_get_handle(struct drm_tegra_bo *bo, uint32_t *handle)  in drm_tegra_bo_get_handle()  argument
249 	if (!bo || !handle)  in drm_tegra_bo_get_handle()
252 	*handle = bo->handle;  in drm_tegra_bo_get_handle()
258 int drm_tegra_bo_map(struct drm_tegra_bo *bo, void **ptr)  in drm_tegra_bo_map()  argument
260 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_map()
262 	if (!bo->map) {  in drm_tegra_bo_map()
267 		args.handle = bo->handle;  in drm_tegra_bo_map()
274 		bo->offset = args.offset;  in drm_tegra_bo_map()
276 		bo->map = mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED,  in drm_tegra_bo_map()
277 			       drm->fd, bo->offset);  in drm_tegra_bo_map()
278 		if (bo->map == MAP_FAILED) {  in drm_tegra_bo_map()
279 			bo->map = NULL;  in drm_tegra_bo_map()
285 		*ptr = bo->map;  in drm_tegra_bo_map()
291 int drm_tegra_bo_unmap(struct drm_tegra_bo *bo)  in drm_tegra_bo_unmap()  argument
293 	if (!bo)  in drm_tegra_bo_unmap()
296 	if (!bo->map)  in drm_tegra_bo_unmap()
299 	if (munmap(bo->map, bo->size))  in drm_tegra_bo_unmap()
302 	bo->map = NULL;  in drm_tegra_bo_unmap()
308 int drm_tegra_bo_get_flags(struct drm_tegra_bo *bo, uint32_t *flags)  in drm_tegra_bo_get_flags()  argument
311 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_get_flags()
314 	if (!bo)  in drm_tegra_bo_get_flags()
318 	args.handle = bo->handle;  in drm_tegra_bo_get_flags()
332 int drm_tegra_bo_set_flags(struct drm_tegra_bo *bo, uint32_t flags)  in drm_tegra_bo_set_flags()  argument
335 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_set_flags()
338 	if (!bo)  in drm_tegra_bo_set_flags()
342 	args.handle = bo->handle;  in drm_tegra_bo_set_flags()
354 int drm_tegra_bo_get_tiling(struct drm_tegra_bo *bo,  in drm_tegra_bo_get_tiling()  argument
358 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_get_tiling()
361 	if (!bo)  in drm_tegra_bo_get_tiling()
365 	args.handle = bo->handle;  in drm_tegra_bo_get_tiling()
381 int drm_tegra_bo_set_tiling(struct drm_tegra_bo *bo,  in drm_tegra_bo_set_tiling()  argument
385 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_set_tiling()
388 	if (!bo)  in drm_tegra_bo_set_tiling()
392 	args.handle = bo->handle;  in drm_tegra_bo_set_tiling()