reproduce (this is a W=1 build):
        # https://github.com/AsahiLinux/linux/commit/30a44f9558120870069ed6d4b59cbae8e6603136
        git remote add asahilinux https://github.com/AsahiLinux/linux
        git fetch --no-tags asahilinux asahi-wip
        git checkout 30a44f9558120870069ed6d4b59cbae8e6603136
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/