reproduce (this is a W=1 build):
        git remote add chrome-platform https://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux.git
        git fetch chrome-platform for-next
        git checkout chrome-platform/for-next
        b4 shazam https://lore.kernel.org/r/20260108145058.56943-9-tzimmermann@suse.de

        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=$HOME/0day COMPILER=gcc-15.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=parisc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-15.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash drivers/gpu/drm/sysfb/