[linux-next:master 4200/5235] drivers/gpu/drm/amd/amdgpu/amdgpu_ih.o: warning: objtool: amdgpu_ih_wait_on_checkpoint_process_ts()+0x1ac: unreachable instruction

[linux-next:master 4200/5235] drivers/gpu/drm/amd/amdgpu/amdgpu_ih.o: warning: objtool: amdgpu_ih_wait_on_checkpoint_process_ts()+0x1ac: unreachable instruction

[kernel test robot]

CC: Linux Memory Management List <linux-mm@kvack.org>
TO: Philip Yang <Philip.Yang@amd.com>
CC: Alex Deucher <alexander.deucher@amd.com>
CC: Felix Kuehling <Felix.Kuehling@amd.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   5d02ef4b57f6e7d4dcba14d40cf05373a146a605
commit: 3c2d6ea27955cfac8590884d207353eece8c2cee [4200/5235] drm/amdgpu: handle IH ring1 overflow
config: x86_64-randconfig-a015-20211205 (https://download.01.org/0day-ci/archive/20211207/202112070223.yhUkc9YP-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5f1d1854eb1450d352663ee732235893c5782237)
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/next/linux-next.git/commit/?id=3c2d6ea27955cfac8590884d207353eece8c2cee
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 3c2d6ea27955cfac8590884d207353eece8c2cee
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash crypto// drivers/ fs/

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/amdgpu_ih.o: warning: objtool: amdgpu_ih_wait_on_checkpoint_process_ts()+0x1ac: unreachable instruction

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