reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/superm1/linux.git/commit/?id=838d0906592749f46424cbf58eb20a85a95efd27
        git remote add amd-pstate https://git.kernel.org/pub/scm/linux/kernel/git/superm1/linux.git
        git fetch --no-tags amd-pstate superm1/backlight-property-v4
        git checkout 838d0906592749f46424cbf58eb20a85a95efd27

        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests

        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-20 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/edac/ drivers/gpu/drm/ drivers/ras/amd/atl/