tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   771a207d1ee9f38da8c0cee1412228f18b900bac
commit: 7a043f978ed1433bddb088a732e9bb91501ebd76 [5636/9540] drm: rcar-du: Add RZ/G2L DSI driver
config: arm64-randconfig-r026-20221122
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project af8c49dc1ec44339d915d988ffe0f38da68ca0e7)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=7a043f978ed1433bddb088a732e9bb91501ebd76
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 7a043f978ed1433bddb088a732e9bb91501ebd76
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 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 >>):

>> ld.lld: error: undefined symbol: drm_of_get_data_lanes_count_ep
   >>> referenced by rzg2l_mipi_dsi.c
   >>>               drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_probe) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: drm_bridge_attach
   >>> referenced by rzg2l_mipi_dsi.c
   >>>               drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_attach) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: drm_atomic_get_new_connector_for_encoder
   >>> referenced by rzg2l_mipi_dsi.c
   >>>               drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_atomic_enable) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: devm_drm_of_get_bridge
   >>> referenced by rzg2l_mipi_dsi.c
   >>>               drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_host_attach) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: drm_bridge_add
   >>> referenced by rzg2l_mipi_dsi.c
   >>>               drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_host_attach) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: drm_bridge_remove
   >>> referenced by rzg2l_mipi_dsi.c
   >>>               drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_host_detach) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: drm_atomic_helper_bridge_duplicate_state
   >>> referenced by rzg2l_mipi_dsi.c
   >>>               drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_bridge_ops) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: drm_atomic_helper_bridge_destroy_state
   >>> referenced by rzg2l_mipi_dsi.c
   >>>               drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_bridge_ops) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: drm_atomic_helper_bridge_reset
   >>> referenced by rzg2l_mipi_dsi.c
   >>>               drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o:(rzg2l_mipi_dsi_bridge_ops) in archive vmlinux.a

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