38 static void drm_tegra_bo_free(struct drm_tegra_bo *bo)  in drm_tegra_bo_free()  argument
40 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_free()
43 	if (bo->map)  in drm_tegra_bo_free()
44 		munmap(bo->map, bo->size);  in drm_tegra_bo_free()
47 	args.handle = bo->handle;  in drm_tegra_bo_free()
51 	free(bo);  in drm_tegra_bo_free()
108 	struct drm_tegra_bo *bo;  in drm_tegra_bo_new()  local
114 	bo = calloc(1, sizeof(*bo));  in drm_tegra_bo_new()
115 	if (!bo)  in drm_tegra_bo_new()
118 	atomic_set(&bo->ref, 1);  in drm_tegra_bo_new()
119 	bo->flags = flags;  in drm_tegra_bo_new()
120 	bo->size = size;  in drm_tegra_bo_new()
121 	bo->drm = drm;  in drm_tegra_bo_new()
131 		free(bo);  in drm_tegra_bo_new()
135 	bo->handle = args.handle;  in drm_tegra_bo_new()
137 	*bop = bo;  in drm_tegra_bo_new()
145 	struct drm_tegra_bo *bo;  in drm_tegra_bo_wrap()  local
150 	bo = calloc(1, sizeof(*bo));  in drm_tegra_bo_wrap()
151 	if (!bo)  in drm_tegra_bo_wrap()
154 	atomic_set(&bo->ref, 1);  in drm_tegra_bo_wrap()
155 	bo->handle = handle;  in drm_tegra_bo_wrap()
156 	bo->flags = flags;  in drm_tegra_bo_wrap()
157 	bo->size = size;  in drm_tegra_bo_wrap()
158 	bo->drm = drm;  in drm_tegra_bo_wrap()
160 	*bop = bo;  in drm_tegra_bo_wrap()
168 	struct drm_tegra_bo *bo;  in drm_tegra_bo_name_ref()  local
197 int drm_tegra_bo_name_get(struct drm_tegra_bo *bo, uint32_t *name)  in drm_tegra_bo_name_get()  argument
202 	args.handle =  bo->handle;  in drm_tegra_bo_name_get()
204 	*name = bo->name;  in drm_tegra_bo_name_get()
208 	ret = drmIoctl(bo->drm->fd, DRM_IOCTL_GEM_FLINK, &args);  in drm_tegra_bo_name_get()
214 	bo->name = args.name;  in drm_tegra_bo_name_get()
215 	*name = bo->name;  in drm_tegra_bo_name_get()
220 struct drm_tegra_bo *drm_tegra_bo_ref(struct drm_tegra_bo *bo)  in drm_tegra_bo_ref()  argument
222 	if (bo)  in drm_tegra_bo_ref()
223 		atomic_inc(&bo->ref);  in drm_tegra_bo_ref()
225 	return bo;  in drm_tegra_bo_ref()
228 void drm_tegra_bo_unref(struct drm_tegra_bo *bo)  in drm_tegra_bo_unref()  argument
230 	if (bo && atomic_dec_and_test(&bo->ref))  in drm_tegra_bo_unref()
231 		drm_tegra_bo_free(bo);  in drm_tegra_bo_unref()
234 int drm_tegra_bo_get_handle(struct drm_tegra_bo *bo, uint32_t *handle)  in drm_tegra_bo_get_handle()  argument
236 	if (!bo || !handle)  in drm_tegra_bo_get_handle()
239 	*handle = bo->handle;  in drm_tegra_bo_get_handle()
244 int drm_tegra_bo_map(struct drm_tegra_bo *bo, void **ptr)  in drm_tegra_bo_map()  argument
246 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_map()
248 	if (!bo->map) {  in drm_tegra_bo_map()
253 		args.handle = bo->handle;  in drm_tegra_bo_map()
260 		bo->offset = args.offset;  in drm_tegra_bo_map()
262 		bo->map = mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED,  in drm_tegra_bo_map()
263 			       drm->fd, bo->offset);  in drm_tegra_bo_map()
264 		if (bo->map == MAP_FAILED) {  in drm_tegra_bo_map()
265 			bo->map = NULL;  in drm_tegra_bo_map()
271 		*ptr = bo->map;  in drm_tegra_bo_map()
276 int drm_tegra_bo_unmap(struct drm_tegra_bo *bo)  in drm_tegra_bo_unmap()  argument
278 	if (!bo)  in drm_tegra_bo_unmap()
281 	if (!bo->map)  in drm_tegra_bo_unmap()
284 	if (munmap(bo->map, bo->size))  in drm_tegra_bo_unmap()
287 	bo->map = NULL;  in drm_tegra_bo_unmap()
292 int drm_tegra_bo_get_flags(struct drm_tegra_bo *bo, uint32_t *flags)  in drm_tegra_bo_get_flags()  argument
295 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_get_flags()
298 	if (!bo)  in drm_tegra_bo_get_flags()
302 	args.handle = bo->handle;  in drm_tegra_bo_get_flags()
315 int drm_tegra_bo_set_flags(struct drm_tegra_bo *bo, uint32_t flags)  in drm_tegra_bo_set_flags()  argument
318 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_set_flags()
321 	if (!bo)  in drm_tegra_bo_set_flags()
325 	args.handle = bo->handle;  in drm_tegra_bo_set_flags()
336 int drm_tegra_bo_get_tiling(struct drm_tegra_bo *bo,  in drm_tegra_bo_get_tiling()  argument
340 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_get_tiling()
343 	if (!bo)  in drm_tegra_bo_get_tiling()
347 	args.handle = bo->handle;  in drm_tegra_bo_get_tiling()
362 int drm_tegra_bo_set_tiling(struct drm_tegra_bo *bo,  in drm_tegra_bo_set_tiling()  argument
366 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_set_tiling()
369 	if (!bo)  in drm_tegra_bo_set_tiling()
373 	args.handle = bo->handle;  in drm_tegra_bo_set_tiling()