linux-kernel - ERROR: modpost: "_savegpr1_21" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!

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Message-ID: <202111290202.4ErpYsMC-lkp@intel.com>
Date:   Mon, 29 Nov 2021 02:36:55 +0800
From:   kernel test robot <lkp@...el.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Andrew Lunn <andrew@...n.ch>
Subject: ERROR: modpost: "_savegpr1_21"
 [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!

Hi Arnd,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0757ca01d944001254a94ac1b25ced702a1e9ac5
commit: 51bb08dd04a05035a64504faa47651d36b0f3125 net: ks8851: fix link error
date:   9 weeks ago
config: powerpc64-randconfig-r026-20211128 (https://download.01.org/0day-ci/archive/20211129/202111290202.4ErpYsMC-lkp@intel.com/config)
compiler: powerpc64-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
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=51bb08dd04a05035a64504faa47651d36b0f3125
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 51bb08dd04a05035a64504faa47651d36b0f3125
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross 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@...el.com>

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

>> ERROR: modpost: "_savegpr1_21" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_savegpr1_23" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_restfpr_24" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_restfpr_30" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_restgpr1_14" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_restgpr1_16" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_savefpr_16" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_savefpr_18" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
>> ERROR: modpost: "_savefpr_14" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
ERROR: modpost: "_restgpr1_24" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
WARNING: modpost: suppressed 52 unresolved symbol warnings because there were too many)

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