[radeon-alex:amd-20.45 1835/2427] drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:788:5: error: redefinition of 'amdgpu_mn_register'

[kernel test robot]

tree:   git://people.freedesktop.org/~agd5f/linux.git amd-20.45
head:   a3950d94b046fb206e58fd3ec717f071c0203ba3
commit: 90e75e02fc4f30c8139b7321f8bbd635ec9d75ce [1835/2427] drm/amdkcl: dkms 
support for hmm
config: x86_64-randconfig-a002-20201214 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 
a29ecca7819a6ed4250d3689b12b1f664bb790d7)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        git remote add radeon-alex git://people.freedesktop.org/~agd5f/linux.git
        git fetch --no-tags radeon-alex amd-20.45
        git checkout 90e75e02fc4f30c8139b7321f8bbd635ec9d75ce
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:788:5: error: redefinition of 
>> 'amdgpu_mn_register'
   int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
       ^
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h:70:19: note: previous definition is 
here
   static inline int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long 
addr)
                     ^
>> drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c:806:6: error: redefinition of 
>> 'amdgpu_mn_unregister'
   void amdgpu_mn_unregister(struct amdgpu_bo *bo)
        ^
   drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h:76:20: note: previous definition is 
here
   static inline void amdgpu_mn_unregister(struct amdgpu_bo *bo) {}
                      ^
   2 errors generated.

vim +/amdgpu_mn_register +788 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c

   778  
   779  /**
   780   * amdgpu_mn_register - register a BO for notifier updates
   781   *
   782   * @bo: amdgpu buffer object
   783   * @addr: userptr addr we should monitor
   784   *
   785   * Registers a mmu_notifier for the given BO at the specified address.
   786   * Returns 0 on success, -ERRNO if anything goes wrong.
   787   */
 > 788  int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
   789  {
   790          if (bo->kfd_bo)
   791                  return mmu_interval_notifier_insert(&bo->notifier, 
current->mm,
   792                                                      addr, 
amdgpu_bo_size(bo),
   793                                                      &amdgpu_mn_hsa_ops);
   794          return mmu_interval_notifier_insert(&bo->notifier, current->mm, 
addr,
   795                                              amdgpu_bo_size(bo),
   796                                              &amdgpu_mn_gfx_ops);
   797  }
   798  
   799  /**
   800   * amdgpu_mn_unregister - unregister a BO for notifier updates
   801   *
   802   * @bo: amdgpu buffer object
   803   *
   804   * Remove any registration of mmu notifier updates from the buffer 
object.
   805   */
 > 806  void amdgpu_mn_unregister(struct amdgpu_bo *bo)

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

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