tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 40d43a7507e1547dd45cb02af2e40d897c591870 commit: b1a63a0b48add192908b578a3c5a566586d49e4e [14970/15097] drm/amd/display: consider DSC pass-through during mode validation config: powerpc-randconfig-r003-20220810 (https://download.01.org/0day-ci/archive/20220811/202208111743.035rR9Wb-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 5f1c7e2cc5a3c07cbc2412e851a7283c1841f520) 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 powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=b1a63a0b48add192908b578a3c5a566586d49e4e 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 b1a63a0b48add192908b578a3c5a566586d49e4e # 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=powerpc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: dc_dsc_get_policy_for_timing >>> referenced by amdgpu_dm_mst_types.c:1409 (drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:1409) >>> gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.o:(dm_dp_mst_is_port_support_mode) in archive drivers/built-in.a -- >> ld.lld: error: undefined symbol: dc_dsc_compute_bandwidth_range >>> referenced by amdgpu_dm_mst_types.c:1410 (drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:1410) >>> gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.o:(dm_dp_mst_is_port_support_mode) in archive drivers/built-in.a Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for HOTPLUG_CPU Depends on [n]: SMP [=y] && (PPC_PSERIES [=n] || PPC_PMAC [=n] || PPC_POWERNV [=n] || FSL_SOC_BOOKE [=n]) Selected by [y]: - PM_SLEEP_SMP [=y] && SMP [=y] && (ARCH_SUSPEND_POSSIBLE [=y] || ARCH_HIBERNATION_POSSIBLE [=y]) && PM_SLEEP [=y] -- 0-DAY CI Kernel Test Service https://01.org/lkp