[andersson:wip/sm8350-next-20211215 33/35] dp_debug.c:undefined reference to `dp_panel_tpg_config'

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/andersson/kernel wip/sm8350-next-20211215
head:   525164cde506e9a9353b07816e50e26685e57fe4
commit: 78d97ba5fc73e3d73729d57551fb7b4521a94755 [33/35] drm/msm/dp: Make it possible to enable the test pattern
config: arm-randconfig-c002-20211220 (https://download.01.org/0day-ci/archive/20211221/202112212258.GaBWCstq-lkp@intel.com/config)
compiler: arm-linux-gnueabi-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/andersson/kernel/commit/78d97ba5fc73e3d73729d57551fb7b4521a94755
        git remote add andersson https://github.com/andersson/kernel
        git fetch --no-tags andersson wip/sm8350-next-20211215
        git checkout 78d97ba5fc73e3d73729d57551fb7b4521a94755
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash

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 >>):

   arm-linux-gnueabi-ld: drivers/gpu/drm/msm/dp/dp_debug.o: in function `dp_test_active_write':
>> dp_debug.c:(.text+0x398): undefined reference to `dp_panel_tpg_config'

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