tree:   https://github.com/jimc/linux.git dd-drm-next
head:   2eec9300d730ad634b967a853579f0b5dffecc01
commit: 25a6802d94cd0a8eb61882bcbf6acdec479a965b [19/20] reg-in-drmdrv
config: ia64-defconfig (attached as .config)
compiler: ia64-linux-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/jimc/linux/commit/25a6802d94cd0a8eb61882bcbf6acdec479a965b
        git remote add jimc https://github.com/jimc/linux.git
        git fetch --no-tags jimc dd-drm-next
        git checkout 25a6802d94cd0a8eb61882bcbf6acdec479a965b
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=ia64 

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

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

>> ERROR: modpost: "dynamic_debug_register_tracer" [drivers/gpu/drm/drm.ko] undefined!
>> ERROR: modpost: "dynamic_debug_unregister_tracer" [drivers/gpu/drm/drm.ko] undefined!

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org