Hi Bjorn, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.13 next-20210628] [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/Bjorn-Andersson/drm-msm-dp-Make-it-possible-to-enable-the-test-pattern/20210629-082507 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9840cfcb97fc8b6aa7b36cec3cc3fd763f14052e config: arm64-randconfig-r004-20210628 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project aad87328fabff9382bac0b452c83934515e6d0c8) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/0day-ci/linux/commit/e7c606f6fabdb01a1b5b3942c660214b0fbf049f git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Bjorn-Andersson/drm-msm-dp-Make-it-possible-to-enable-the-test-pattern/20210629-082507 git checkout e7c606f6fabdb01a1b5b3942c660214b0fbf049f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 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: "dp_panel_tpg_config" [drivers/gpu/drm/msm/msm.ko] undefined! --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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