reproduce (this is a W=1 build):
        # https://github.com/vsyrjala/linux/commit/539e2225c8d7e19d4095bace6c48ec8d3d434e93
        git remote add vsyrjala https://github.com/vsyrjala/linux.git
        git fetch --no-tags vsyrjala remap_tile_ys_64
        git checkout 539e2225c8d7e19d4095bace6c48ec8d3d434e93

        # 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/i915/