Hi Yongbang, kernel test robot noticed the following build errors: [auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on linus/master v6.12-rc4 next-20241024] [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/Yongbang-Shi/drm-hisilicon-hibmc-add-dp-aux-in-hibmc/20241022-204925 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20241022124148.1952761-5-shiyongbang%40huawei.com patch subject: [PATCH V2 drm-dp 4/4] drm/hisilicon/hibmc: add dp module in hibmc config: powerpc-randconfig-003-20241024 (https://download.01.org/0day-ci/archive/20241025/202410251136.1m7BlR68-lkp@xxxxxxxxx/config) compiler: powerpc-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241025/202410251136.1m7BlR68-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202410251136.1m7BlR68-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): powerpc-linux-ld: drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.o: in function `dp_link_cfg': >> dp_hw.c:(.text.dp_link_cfg+0x250): undefined reference to `__udivdi3' >> powerpc-linux-ld: dp_hw.c:(.text.dp_link_cfg+0x340): undefined reference to `__udivdi3' powerpc-linux-ld: dp_hw.c:(.text.dp_link_cfg+0x384): undefined reference to `__udivdi3' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
