Hi Imre, kernel test robot noticed the following build errors: [auto build test ERROR on drm-tip/drm-tip] url: https://github.com/intel-lab-lkp/linux/commits/Imre-Deak/drm-i915-dp-Fix-UHBR-link-M-N-values/20231114-043135 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip patch link: https://lore.kernel.org/r/20231113201110.510724-4-imre.deak%40intel.com patch subject: [PATCH 4/4] drm/dp_mst: Fix PBN divider calculation for UHBR rates config: i386-buildonly-randconfig-002-20231114 (https://download.01.org/0day-ci/archive/20231114/202311140620.1gHQRb4g-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231114/202311140620.1gHQRb4g-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/202311140620.1gHQRb4g-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): ld: drivers/gpu/drm/display/drm_dp_mst_topology.o: in function `drm_dp_get_vc_payload_bw': >> drm_dp_mst_topology.c:(.text+0x931): undefined reference to `__udivdi3' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
