[kbuild-all] [linux-cip:linux-4.19.y-cip 7/17] drivers/gpu/drm/drm_atomic.c:1264:1: warning: no previous prototype for 'drm_atomic_get_old_private_obj_state'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/cip/linux-cip.git linux-4.19.y-cip head: 72750517bc5f1718ce3cb3fa75d4cadc05d27eee commit: 60b4667275b60d92c760d48df95f5b80bbcfde6e [7/17] drm: Add drm_atomic_get_(old|new)_connector_for_encoder() helpers config: riscv-randconfig-r034-20200809 (attached as .config) compiler: riscv32-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 60b4667275b60d92c760d48df95f5b80bbcfde6e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): 1264 | drm_atomic_get_old_private_obj_state(struct drm_atomic_state *state, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1286 | drm_atomic_get_new_private_obj_state(struct drm_atomic_state *state, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/drm_atomic.c: In function 'drm_atomic_print_state': drivers/gpu/drm/drm_atomic.c:2184:24: warning: variable 'connector' set but not used [-Wunused-but-set-variable] 2184 | struct drm_connector *connector; | ^~~~~~~~~ drivers/gpu/drm/drm_atomic.c:2182:19: warning: variable 'crtc' set but not used [-Wunused-but-set-variable] 2182 | struct drm_crtc *crtc; | ^~~~ drivers/gpu/drm/drm_atomic.c:2180:20: warning: variable 'plane' set but not used [-Wunused-but-set-variable] 2180 | struct drm_plane *plane; | ^~~~~ drivers/gpu/drm/drm_atomic.c: In function 'complete_signaling': drivers/gpu/drm/drm_atomic.c:2624:19: warning: variable 'crtc' set but not used [-Wunused-but-set-variable] 2624 | struct drm_crtc *crtc; | ^~~~ vim +/drm_atomic_get_old_private_obj_state +1264 drivers/gpu/drm/drm_atomic.c 1254 1255 /** 1256 * drm_atomic_get_old_private_obj_state 1257 * @state: global atomic state object 1258 * @obj: private_obj to grab 1259 * 1260 * This function returns the old private object state for the given private_obj, 1261 * or NULL if the private_obj is not part of the global atomic state. 1262 */ 1263 struct drm_private_state * 1265 struct drm_private_obj *obj) 1266 { 1267 int i; 1268 1269 for (i = 0; i < state->num_private_objs; i++) 1270 if (obj == state->private_objs[i].ptr) 1271 return state->private_objs[i].old_state; 1272 1273 return NULL; 1274 } 1275 EXPORT_SYMBOL(drm_atomic_get_old_private_obj_state); 1276 1277 /** 1278 * drm_atomic_get_new_private_obj_state 1279 * @state: global atomic state object 1280 * @obj: private_obj to grab 1281 * 1282 * This function returns the new private object state for the given private_obj, 1283 * or NULL if the private_obj is not part of the global atomic state. 1284 */ 1285 struct drm_private_state * 1287 struct drm_private_obj *obj) 1288 { 1289 int i; 1290 1291 for (i = 0; i < state->num_private_objs; i++) 1292 if (obj == state->private_objs[i].ptr) 1293 return state->private_objs[i].new_state; 1294 1295 return NULL; 1296 } 1297 EXPORT_SYMBOL(drm_atomic_get_new_private_obj_state); 1298 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org