Hi Kuogee, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on robh/for-next drm/drm-next linus/master v6.1-rc8 next-20221208] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Kuogee-Hsieh/Add-data-lanes-and-link-frequencies-to-dp_out-endpoint/20221209-063949 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/1670539015-11808-5-git-send-email-quic_khsieh%40quicinc.com patch subject: [PATCH v11 4/5] drm/msm/dp: parser link-frequencies as property of dp_out endpoint config: arm-allyesconfig compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0 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/68f1162e16784bcedfb73b7a660077772686d0ef git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Kuogee-Hsieh/Add-data-lanes-and-link-frequencies-to-dp_out-endpoint/20221209-063949 git checkout 68f1162e16784bcedfb73b7a660077772686d0ef # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): arm-linux-gnueabi-ld: drivers/gpu/drm/msm/dp/dp_parser.o: in function `dp_parser_parse': >> dp_parser.c:(.text+0xdf0): undefined reference to `__aeabi_uldivmod' -- 0-DAY CI Kernel Test Service https://01.org/lkp