Hi Dmitry, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm/drm-next] [also build test ERROR on v5.18-rc2 next-20220411] [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/Dmitry-Baryshkov/drm-msm-properly-add-and-remove-internal-bridges/20220408-210744 base: git://anongit.freedesktop.org/drm/drm drm-next config: arm64-defconfig (https://download.01.org/0day-ci/archive/20220411/202204112350.b4eldlK1-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 11.2.0 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/fe14b6490aa99b01a424580fb84462519a9a310c git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Dmitry-Baryshkov/drm-msm-properly-add-and-remove-internal-bridges/20220408-210744 git checkout fe14b6490aa99b01a424580fb84462519a9a310c # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "drm_bridge_detach" [drivers/gpu/drm/msm/msm.ko] undefined! -- 0-DAY CI Kernel Test Service https://01.org/lkp
