Hi Chris,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on rockchip/for-next]
[also build test ERROR on drm/drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip drm-exynos/exynos-drm-next linus/master v6.2-rc2 next-20221226]
[cannot apply to drm-misc/drm-misc-next]
[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/Chris-Morgan/drm-of-Add-drm_of_get_dsi_bus-helper-function/20230104-030847
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next
patch link:    https://lore.kernel.org/r/20230103190707.104595-2-macroalpha82%40gmail.com
patch subject: [PATCH V7 1/4] drm: of: Add drm_of_get_dsi_bus helper function
config: arc-nsimosci_hs_smp_defconfig
compiler: arc-elf-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
        # https://github.com/intel-lab-lkp/linux/commit/bb4fe9a62dc7ba531e6ddf312873562cbfd1fe98
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Chris-Morgan/drm-of-Add-drm_of_get_dsi_bus-helper-function/20230104-030847
        git checkout bb4fe9a62dc7ba531e6ddf312873562cbfd1fe98
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc 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 >>):

   arc-elf-ld: drivers/gpu/drm/drm_of.o: in function `drm_of_get_dsi_bus':
   drm_of.c:(.text+0x326): undefined reference to `of_find_mipi_dsi_host_by_node'
>> arc-elf-ld: drm_of.c:(.text+0x326): undefined reference to `of_find_mipi_dsi_host_by_node'

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