tree:   https://gitlab.freedesktop.org/agd5f/linux.git drm-next
head:   b75c0a544e8607af9c97f67485c5952dbb0e66c1
commit: c9d5a0d61eafd93d3fe13336f97a6a5c04998b81 [17/22] amd/display: only require overlay plane to cover whole CRTC on ChromeOS
config: riscv-randconfig-r015-20211011 (attached as .config)
compiler: riscv64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git
        git fetch --no-tags agd5f drm-next
        git checkout c9d5a0d61eafd93d3fe13336f97a6a5c04998b81
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=riscv 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "get_mm_exe_file" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org