reproduce (this is a W=1 build):
        # https://github.com/zen-kernel/zen-kernel/commit/0f297bfeedae01c8a0d95ee89de766ad875c3920
        git remote add zen https://github.com/zen-kernel/zen-kernel
        git fetch --no-tags zen 7.2/vramstuff
        git checkout 0f297bfeedae01c8a0d95ee89de766ad875c3920

        # 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/amd/amdgpu/