reproduce (this is a W=1 build):
        git checkout b2ed01e7ad3de80333e9b962a44024b094bc0b2b
        b4 shazam https://lore.kernel.org/r/20260512-panthor-shrinker-fixes-v3-1-3bf066259471@collabora.com

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