reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu git checkout 4423e607ff50157aaf088854b145936cbab4d560 b4 shazam https://lore.kernel.org/r/20250311-hdmi-conn-yuv-v2-7-fbdb94f02562@collabora.com # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-14.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/drm/tests/