reproduce (this is a W=1 build):
        git remote add drm-misc git://anongit.freedesktop.org/drm/drm-misc
        git fetch drm-misc drm-misc-next
        git checkout drm-misc/drm-misc-next
        b4 shazam https://lore.kernel.org/r/20230621133700.7588-2-christian.koenig@amd.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/tests/