Hi Maxime, I love your patch! Perhaps something to improve: [auto build test WARNING on next-20220622] [also build test WARNING on v5.19-rc3] [cannot apply to drm-misc/drm-misc-next drm-intel/for-linux-next drm-tip/drm-tip linus/master anholt/for-next v5.19-rc3 v5.19-rc2 v5.19-rc1] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Maxime-Ripard/drm-vc4-Fix-hotplug-for-vc4/20220622-223842 base: ac0ba5454ca85162c08dc429fef1999e077ca976 config: riscv-rv32_defconfig (https://download.01.org/0day-ci/archive/20220623/202206230238.D3tMKlmQ-lkp@xxxxxxxxx/config) compiler: riscv32-linux-gcc (GCC) 11.3.0 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 # https://github.com/intel-lab-lkp/linux/commit/46edccc8b6046ecee2de71b23c941dc23514f522 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Maxime-Ripard/drm-vc4-Fix-hotplug-for-vc4/20220622-223842 git checkout 46edccc8b6046ecee2de71b23c941dc23514f522 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/gpu/drm/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/gpu/drm/drm_crtc.c: In function 'drmm_crtc_init_with_planes': >> drivers/gpu/drm/drm_crtc.c:421:43: warning: function 'drmm_crtc_init_with_planes' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 421 | name, ap); | ^~~~ vim +421 drivers/gpu/drm/drm_crtc.c 379 380 /** 381 * drmm_crtc_init_with_planes - Initialise a new CRTC object with 382 * specified primary and cursor planes. 383 * @dev: DRM device 384 * @crtc: CRTC object to init 385 * @primary: Primary plane for CRTC 386 * @cursor: Cursor plane for CRTC 387 * @funcs: callbacks for the new CRTC 388 * @name: printf style format string for the CRTC name, or NULL for default name 389 * 390 * Inits a new object created as base part of a driver crtc object. Drivers 391 * should use this function instead of drm_crtc_init(), which is only provided 392 * for backwards compatibility with drivers which do not yet support universal 393 * planes). For really simple hardware which has only 1 plane look at 394 * drm_simple_display_pipe_init() instead. 395 * 396 * Cleanup is automatically handled through registering 397 * drmm_crtc_cleanup() with drmm_add_action(). The crtc structure should 398 * be allocated with drmm_kzalloc(). 399 * 400 * The @drm_crtc_funcs.destroy hook must be NULL. 401 * 402 * The @primary and @cursor planes are only relevant for legacy uAPI, see 403 * &drm_crtc.primary and &drm_crtc.cursor. 404 * 405 * Returns: 406 * Zero on success, error code on failure. 407 */ 408 int drmm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, 409 struct drm_plane *primary, 410 struct drm_plane *cursor, 411 const struct drm_crtc_funcs *funcs, 412 const char *name, ...) 413 { 414 va_list ap; 415 int ret; 416 417 WARN_ON(funcs && funcs->destroy); 418 419 va_start(ap, name); 420 ret = __drm_crtc_init_with_planes(dev, crtc, primary, cursor, funcs, > 421 name, ap); 422 va_end(ap); 423 if (ret) 424 return ret; 425 426 ret = drmm_add_action_or_reset(dev, drmm_crtc_init_with_planes_cleanup, 427 crtc); 428 if (ret) 429 return ret; 430 431 return 0; 432 } 433 EXPORT_SYMBOL(drmm_crtc_init_with_planes); 434 -- 0-DAY CI Kernel Test Service https://01.org/lkp
