tree:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
head:   7783cc67862f9166c901bfa0f80b717aa8d354dd
commit: 4fcd238560ee6724d6edcae95820bdf7f2e40ab1 [6/19] drm/modes: Add a function to generate analog display modes
config: s390-randconfig-r044-20221127
compiler: s390-linux-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
        git remote add drm-misc git://anongit.freedesktop.org/drm/drm-misc
        git fetch --no-tags drm-misc drm-misc-next
        git checkout 4fcd238560ee6724d6edcae95820bdf7f2e40ab1
        # 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=s390 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "drm_kunit_device_init" [drivers/gpu/drm/tests/drm_modes_test.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp