reproduce (this is a W=1 build):
        # https://github.com/tobetter/linux/commit/6dc6d1337ee2e0b5ba85b9affd8ce10480dda8a7
        git remote add tobetter https://github.com/tobetter/linux
        git fetch --no-tags tobetter odroid-7.1.y
        git checkout 6dc6d1337ee2e0b5ba85b9affd8ce10480dda8a7

        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=$HOME/0day COMPILER=gcc-11.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=nios2 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.5.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=nios2 SHELL=/bin/bash drivers/gpu/drm/panel/