Hi Thomas, kernel test robot noticed the following build errors: [auto build test ERROR on lee-backlight/for-backlight-next] [also build test ERROR on lee-leds/for-leds-next linus/master lee-backlight/for-backlight-fixes v6.14-rc5 next-20250307] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Thomas-Zimmermann/fbdev-Rework-fb_blank/20250306-221554 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight.git for-backlight-next patch link: https://lore.kernel.org/r/20250306140947.580324-7-tzimmermann%40suse.de patch subject: [PATCH v3 06/11] backlight: Replace fb events with a dedicated function call config: i386-randconfig-005-20250308 (https://download.01.org/0day-ci/archive/20250308/202503081907.HxPC1bKV-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250308/202503081907.HxPC1bKV-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202503081907.HxPC1bKV-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): ld: drivers/video/fbdev/core/fb_backlight.o: in function `fb_bl_notify_blank': >> drivers/video/fbdev/core/fb_backlight.c:47: undefined reference to `backlight_notify_blank' >> ld: drivers/video/fbdev/core/fb_backlight.c:49: undefined reference to `backlight_notify_blank_all' vim +47 drivers/video/fbdev/core/fb_backlight.c 40 41 void fb_bl_notify_blank(struct fb_info *info, int old_blank) 42 { 43 bool on = info->blank == FB_BLANK_UNBLANK; 44 bool prev_on = old_blank == FB_BLANK_UNBLANK; 45 46 if (info->bl_dev) > 47 backlight_notify_blank(info->bl_dev, info->device, on, prev_on); 48 else > 49 backlight_notify_blank_all(info->device, on, prev_on); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
