reproduce (this is a W=1 build):
        git checkout b9ddaa95fd283bce7041550ddbbe7e764c477110
        b4 shazam https://lore.kernel.org/r/20250801-nouveau-fifo-v1-1-25b9db5283bc@ethancedwards.com
        # 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/