[radeon-alex:drm-next 182/207] drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c:558:6: warning: no previous prototype for 'amdgpu_virt_update_vf2pf_work_item'

[kernel test robot]

tree:   git://people.freedesktop.org/~agd5f/linux.git drm-next
head:   1ebf4588bcd8d58d1f3c3d38e360ad068b791634
commit: 519b8b76f0b62a0be0d9fcee39819d2461fc3cb0 [182/207] drm/amdgpu: Implement new guest side VF2PF message transaction (v2)
config: microblaze-randconfig-r034-20200930 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
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 radeon-alex git://people.freedesktop.org/~agd5f/linux.git
        git fetch --no-tags radeon-alex drm-next
        git checkout 519b8b76f0b62a0be0d9fcee39819d2461fc3cb0
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze 

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c:558:6: warning: no previous prototype for 'amdgpu_virt_update_vf2pf_work_item' [-Wmissing-prototypes]
     558 | void amdgpu_virt_update_vf2pf_work_item(struct work_struct *work)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c:28:
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:197:19: warning: 'no_system_mem_limit' defined but not used [-Wunused-const-variable=]
     197 | static const bool no_system_mem_limit;
         |                   ^~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:196:19: warning: 'debug_evictions' defined but not used [-Wunused-const-variable=]
     196 | static const bool debug_evictions; /* = false */
         |                   ^~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:195:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
     195 | static const int sched_policy = KFD_SCHED_POLICY_HWS;
         |                  ^~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:33,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services_types.h:30,
                    from drivers/gpu/drm/amd/amdgpu/../include/dm_pp_interface.h:26,
                    from drivers/gpu/drm/amd/amdgpu/amdgpu.h:67,
                    from drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c:28:
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:76:32: warning: 'dc_fixpt_ln2_div_2' defined but not used [-Wunused-const-variable=]
      76 | static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
         |                                ^~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:75:32: warning: 'dc_fixpt_ln2' defined but not used [-Wunused-const-variable=]
      75 | static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
         |                                ^~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:74:32: warning: 'dc_fixpt_e' defined but not used [-Wunused-const-variable=]
      74 | static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
         |                                ^~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:73:32: warning: 'dc_fixpt_two_pi' defined but not used [-Wunused-const-variable=]
      73 | static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
         |                                ^~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:72:32: warning: 'dc_fixpt_pi' defined but not used [-Wunused-const-variable=]
      72 | static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
         |                                ^~~~~~~~~~~

vim +/amdgpu_virt_update_vf2pf_work_item +558 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c

   557	
 > 558	void amdgpu_virt_update_vf2pf_work_item(struct work_struct *work)
   559	{
   560		struct amdgpu_device *adev = container_of(work, struct amdgpu_device, virt.vf2pf_work.work);
   561	
   562		amdgpu_virt_read_pf2vf_data(adev);
   563		amdgpu_virt_write_vf2pf_data(adev);
   564	
   565		schedule_delayed_work(&(adev->virt.vf2pf_work), adev->virt.vf2pf_update_interval_ms);
   566	}
   567	

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