Hi Brian, I love your patch! Yet something to improve: [auto build test ERROR on drm/drm-next] [also build test ERROR on v5.15 next-20211104] [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/0day-ci/linux/commits/Brian-Norris/drm-Support-input-boosted-panel-self-refresh-exit/20211104-074200 base: git://anongit.freedesktop.org/drm/drm drm-next config: arm-randconfig-r001-20211104 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 847a6807332b13f43704327c2d30103ec0347c77) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/0day-ci/linux/commit/57dffacf2caa97c6d4c205ff6d43ffaa200ab54a git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Brian-Norris/drm-Support-input-boosted-panel-self-refresh-exit/20211104-074200 git checkout 57dffacf2caa97c6d4c205ff6d43ffaa200ab54a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "input_unregister_handler" [drivers/gpu/drm/drm_kms_helper.ko] undefined! >> ERROR: modpost: "input_close_device" [drivers/gpu/drm/drm_kms_helper.ko] undefined! >> ERROR: modpost: "input_unregister_handle" [drivers/gpu/drm/drm_kms_helper.ko] undefined! >> ERROR: modpost: "input_open_device" [drivers/gpu/drm/drm_kms_helper.ko] undefined! >> ERROR: modpost: "input_register_handle" [drivers/gpu/drm/drm_kms_helper.ko] undefined! >> ERROR: modpost: "input_register_handler" [drivers/gpu/drm/drm_kms_helper.ko] undefined! --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org