Hi Hsin-Yi, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-tip/drm-tip] [cannot apply to drm/drm-next robh/for-next drm-intel/for-linux-next v5.16 next-20220118] [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] url: https://github.com/0day-ci/linux/commits/Hsin-Yi-Wang/drm-bridge-anx7625-send-DPCD-command-to-downstream/20220119-231952 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip config: arm-randconfig-c002-20220118 (https://download.01.org/0day-ci/archive/20220120/202201200932.S1r1TWum-lkp@xxxxxxxxx/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/0day-ci/linux/commit/61809df270082584886188b067ee19744f4b35e1 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Hsin-Yi-Wang/drm-bridge-anx7625-send-DPCD-command-to-downstream/20220119-231952 git checkout 61809df270082584886188b067ee19744f4b35e1 # 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@xxxxxxxxx> All errors (new ones prefixed by >>): arm-linux-gnueabi-ld: drivers/gpu/drm/bridge/analogix/anx7625.o: in function `anx7625_i2c_probe': >> anx7625.c:(.text+0x1c10): undefined reference to `devm_of_dp_aux_populate_ep_devices' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
