reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        git remote add amd-pstate https://git.kernel.org/pub/scm/linux/kernel/git/superm1/linux.git
        git fetch amd-pstate bleeding-edge
        git checkout amd-pstate/bleeding-edge
        b4 shazam https://lore.kernel.org/r/20250226074934.1667721-5-superm1@kernel.org
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/kernel/ drivers/acpi/ drivers/cpufreq/ drivers/gpu/drm/