ERROR: modpost: "_restgpr1_16" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!

[kernel test robot <lkp@intel.com>]

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CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
CC: linux-kernel(a)vger.kernel.org
TO: Arnd Bergmann <arnd@arndb.de>
CC: Daniel Vetter <daniel.vetter@ffwll.ch>
CC: Kees Cook <keescook@chromium.org>

Hi Arnd,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   af2d861d4cd2a4da5137f795ee3509e6f944a25b
commit: 606b102876e3741851dfb09d53f3ee57f650a52c drm: fb_helper: fix CONFIG_FB dependency
date:   7 months ago
:::::: branch date: 21 hours ago
:::::: commit date: 7 months ago
config: powerpc64-randconfig-s032-20220424 (https://download.01.org/0day-ci/archive/20220426/202204260325.T5teZFjl-lkp(a)intel.com/config)
compiler: powerpc64le-linux-gcc (GCC) 11.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=606b102876e3741851dfb09d53f3ee57f650a52c
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 606b102876e3741851dfb09d53f3ee57f650a52c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash

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: "_restgpr1_17" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_restgpr1_16" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_restgpr1_19" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_restgpr1_18" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_restfpr_19" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_restfpr_17" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_restfpr_18" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_restgpr1_24" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_restgpr1_25" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_restgpr1_22" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
WARNING: modpost: suppressed 54 unresolved symbol warnings because there were too many)

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp