[radeon-alex:amd-staging-drm-next 494/499] drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c:557:6: warning: no previous prototype for 'amdgpu_virt_update_vf2pf_work_item'

[kernel test robot]

tree:   git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next
head:   8f0ba3310c12c3943a8cac39a774e83f55288424
commit: 614e7ac92979c4fe35cca713fa282609839e1be1 [494/499] drm/amdgpu: Implement new guest side VF2PF message transaction
config: alpha-allyesconfig (attached as .config)
compiler: alpha-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 amd-staging-drm-next
        git checkout 614e7ac92979c4fe35cca713fa282609839e1be1
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha 

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:557:6: warning: no previous prototype for 'amdgpu_virt_update_vf2pf_work_item' [-Wmissing-prototypes]
     557 | void amdgpu_virt_update_vf2pf_work_item(struct work_struct *work)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c: In function 'amdgpu_virt_init_data_exchange':
   drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c:586:10: error: 'struct amdgpu_device' has no member named 'fw_vram_usage'
     586 |  if (adev->fw_vram_usage.va != NULL) {
         |          ^~
   drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c:591:9: error: 'struct amdgpu_device' has no member named 'fw_vram_usage'
     591 |    (adev->fw_vram_usage.va + (AMD_SRIOV_MSG_PF2VF_OFFSET_KB << 10));
         |         ^~
   drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c:594:9: error: 'struct amdgpu_device' has no member named 'fw_vram_usage'
     594 |    (adev->fw_vram_usage.va + (AMD_SRIOV_MSG_VF2PF_OFFSET_KB << 10));
         |         ^~
   In file included from drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c:28:
   At top level:
   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 +557 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c

   556	
 > 557	void amdgpu_virt_update_vf2pf_work_item(struct work_struct *work)
   558	{
   559		struct amdgpu_device *adev = container_of(work, struct amdgpu_device, virt.vf2pf_work.work);
   560	
   561		amdgpu_virt_read_pf2vf_data(adev);
   562		amdgpu_virt_write_vf2pf_data(adev);
   563	
   564		schedule_delayed_work(&(adev->virt.vf2pf_work), adev->virt.vf2pf_update_interval_ms);
   565	}
   566	

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