Hi Michael, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on linus/master] [also build test ERROR on v5.15-rc6] [cannot apply to next-20211021] [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/Michael-Trimarchi/drm-panel-ilit... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 26d6574109838b8fa40a8261421693015bab0579 config: arc-randconfig-r043-20211014 (attached as .config) compiler: arceb-elf-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/0day-ci/linux/commit/5e985ed2df2301e9f13a49b04a5fa5651... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Michael-Trimarchi/drm-panel-ilitek-ili9881d-add-support-for-Wanchanglong-W552946ABA-panel/20211015-041850 git checkout 5e985ed2df2301e9f13a49b04a5fa56519d08b5f # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash drivers/gpu/drm/panel/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): 934 | MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_EOT_PACKET, | ^~~~~~~~~~~~~~~~~~~~~~~~ | MIPI_DSI_MODE_NO_EOT_PACKET vim +934 drivers/gpu/drm/panel/panel-ilitek-ili9881c.c 928 929 static const struct ili9881c_desc w552946aba_desc = { 930 .init = w552946ab_init, 931 .init_length = ARRAY_SIZE(w552946ab_init), 932 .mode = &w552946aba_default_mode, 933 .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | 935 }; 936 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org