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()
165 drm_public struct drm_tegra_bo *drm_tegra_bo_ref(struct drm_tegra_bo *bo)  in drm_tegra_bo_ref()  argument
167 	if (bo)  in drm_tegra_bo_ref()
168 		atomic_inc(&bo->ref);  in drm_tegra_bo_ref()
170 	return bo;  in drm_tegra_bo_ref()
173 drm_public void drm_tegra_bo_unref(struct drm_tegra_bo *bo)  in drm_tegra_bo_unref()  argument
175 	if (bo && atomic_dec_and_test(&bo->ref))  in drm_tegra_bo_unref()
176 		drm_tegra_bo_free(bo);  in drm_tegra_bo_unref()
179 drm_public int drm_tegra_bo_get_handle(struct drm_tegra_bo *bo, uint32_t *handle)  in drm_tegra_bo_get_handle()  argument
181 	if (!bo || !handle)  in drm_tegra_bo_get_handle()
184 	*handle = bo->handle;  in drm_tegra_bo_get_handle()
189 drm_public int drm_tegra_bo_map(struct drm_tegra_bo *bo, void **ptr)  in drm_tegra_bo_map()  argument
191 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_map()
193 	if (!bo->map) {  in drm_tegra_bo_map()
198 		args.handle = bo->handle;  in drm_tegra_bo_map()
205 		bo->offset = args.offset;  in drm_tegra_bo_map()
207 		bo->map = mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED,  in drm_tegra_bo_map()
208 			       drm->fd, bo->offset);  in drm_tegra_bo_map()
209 		if (bo->map == MAP_FAILED) {  in drm_tegra_bo_map()
210 			bo->map = NULL;  in drm_tegra_bo_map()
216 		*ptr = bo->map;  in drm_tegra_bo_map()
221 drm_public int drm_tegra_bo_unmap(struct drm_tegra_bo *bo)  in drm_tegra_bo_unmap()  argument
223 	if (!bo)  in drm_tegra_bo_unmap()
226 	if (!bo->map)  in drm_tegra_bo_unmap()
229 	if (munmap(bo->map, bo->size))  in drm_tegra_bo_unmap()
232 	bo->map = NULL;  in drm_tegra_bo_unmap()
237 drm_public int drm_tegra_bo_get_flags(struct drm_tegra_bo *bo, uint32_t *flags)  in drm_tegra_bo_get_flags()  argument
240 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_get_flags()
243 	if (!bo)  in drm_tegra_bo_get_flags()
247 	args.handle = bo->handle;  in drm_tegra_bo_get_flags()
260 drm_public int drm_tegra_bo_set_flags(struct drm_tegra_bo *bo, uint32_t flags)  in drm_tegra_bo_set_flags()  argument
263 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_set_flags()
266 	if (!bo)  in drm_tegra_bo_set_flags()
270 	args.handle = bo->handle;  in drm_tegra_bo_set_flags()
281 drm_public int drm_tegra_bo_get_tiling(struct drm_tegra_bo *bo,  in drm_tegra_bo_get_tiling()  argument
285 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_get_tiling()
288 	if (!bo)  in drm_tegra_bo_get_tiling()
292 	args.handle = bo->handle;  in drm_tegra_bo_get_tiling()
307 drm_public int drm_tegra_bo_set_tiling(struct drm_tegra_bo *bo,  in drm_tegra_bo_set_tiling()  argument
311 	struct drm_tegra *drm = bo->drm;  in drm_tegra_bo_set_tiling()
314 	if (!bo)  in drm_tegra_bo_set_tiling()
318 	args.handle = bo->handle;  in drm_tegra_bo_set_tiling()