tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: e4cd8d3ff7f9efeb97330e5e9b99eeb2a68f5cf9 commit: 7a043f978ed1433bddb088a732e9bb91501ebd76 [5779/9537] drm: rcar-du: Add RZ/G2L DSI driver config: microblaze-randconfig-r012-20221120 compiler: microblaze-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 # 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=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=microblaze SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): microblaze-linux-ld: drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o: in function `rzg2l_mipi_dsi_host_detach': >> (.text+0x68): undefined reference to `drm_bridge_remove' microblaze-linux-ld: drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o: in function `rzg2l_mipi_dsi_attach': >> (.text+0x9c): undefined reference to `drm_bridge_attach' microblaze-linux-ld: drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o: in function `rzg2l_mipi_dsi_host_attach': >> (.text+0x13c): undefined reference to `devm_drm_of_get_bridge' >> microblaze-linux-ld: (.text+0x158): undefined reference to `drm_bridge_add' microblaze-linux-ld: drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o: in function `rzg2l_mipi_dsi_probe': >> (.text+0x244): undefined reference to `drm_of_get_data_lanes_count_ep' microblaze-linux-ld: drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o: in function `rzg2l_mipi_dsi_atomic_enable': >> (.text+0x1d50): undefined reference to `drm_atomic_get_new_connector_for_encoder' >> microblaze-linux-ld: drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o:(.rodata+0x3b4): undefined reference to `drm_atomic_helper_bridge_duplicate_state' >> microblaze-linux-ld: drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o:(.rodata+0x3b8): undefined reference to `drm_atomic_helper_bridge_destroy_state' >> microblaze-linux-ld: drivers/gpu/drm/rcar-du/rzg2l_mipi_dsi.o:(.rodata+0x3c8): undefined reference to `drm_atomic_helper_bridge_reset' -- 0-DAY CI Kernel Test Service https://01.org/lkp