tree: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next head: 11f39d526ca14d54c24c87c02bca7dc6f0def151 commit: d383fb5f8addd05f53080624829f68e80c268541 [4/25] drm: get drm_bridge_panel connector via helper config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout d383fb5f8addd05f53080624829f68e80c268541 # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=arm If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): ERROR: "drm_panel_bridge_connector" [drivers/gpu/drm/tve200/tve200_drm.ko] undefined! >> ERROR: "drm_panel_bridge_connector" [drivers/gpu/drm/pl111/pl111_drm.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-simple.ko] undefined! --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation