Hi Mark, kernel test robot noticed the following build errors: [auto build test ERROR on drm-intel/for-linux-next-fixes] [also build test ERROR on linus/master v6.3-rc7] [cannot apply to drm-misc/drm-misc-next drm-intel/for-linux-next drm/drm-next next-20230419] [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/Mark-Yacoub/drm-hdcp-Add-drm_hdcp_atomic_check/20230419-234833 base: git://anongit.freedesktop.org/drm-intel for-linux-next-fixes patch link: https://lore.kernel.org/r/20230419154321.1993419-11-markyacoub%40google.com patch subject: [PATCH v10 10/10] drm/msm: Implement HDCP 1.x using the new drm HDCP helpers config: ia64-randconfig-r011-20230416 (https://download.01.org/0day-ci/archive/20230420/202304201909.D57x63J5-lkp@xxxxxxxxx/config) compiler: ia64-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://github.com/intel-lab-lkp/linux/commit/6fb5b032262769c786a7a8c9ed522d936dcf14c2 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Mark-Yacoub/drm-hdcp-Add-drm_hdcp_atomic_check/20230419-234833 git checkout 6fb5b032262769c786a7a8c9ed522d936dcf14c2 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304201909.D57x63J5-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): ia64-linux-ld: ia64-linux-ld: DWARF error: could not find abbrev number 1548101 drivers/gpu/drm/msm/msm_atomic.o: in function `msm_atomic_commit_tail': >> msm_atomic.c:(.text+0xe02): undefined reference to `dp_drm_is_bridge_msm_dp' >> ia64-linux-ld: msm_atomic.c:(.text+0xe22): undefined reference to `dp_drm_atomic_commit' ia64-linux-ld: ia64-linux-ld: DWARF error: could not find abbrev number 872 drivers/gpu/drm/msm/dp/dp_debug.o: in function `dp_hdcp_key_write': >> dp_debug.c:(.text+0xa2): undefined reference to `dp_hdcp_ingest_key' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests