[kbuild-all] drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c:338:6: warning: no previous prototype for 'amdgpu_virt_access_debugfs_is_mmio'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 69119673bd50b176ded34032fadd41530fb5af21 commit: d32709dac627e5602fb3e66bcf4316906356120d drm/amdgpu: resume kiq access debugfs date: 9 weeks ago config: ia64-randconfig-r012-20200617 (attached as .config) compiler: ia64-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 checkout d32709dac627e5602fb3e66bcf4316906356120d # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): 338 | bool amdgpu_virt_access_debugfs_is_mmio(struct amdgpu_device *adev) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 343 | bool amdgpu_virt_access_debugfs_is_kiq(struct amdgpu_device *adev) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c:28: drivers/gpu/drm/amd/amdgpu/amdgpu.h:177:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=] 177 | 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:53, 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 }; | ^~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:67:32: warning: 'dc_fixpt_zero' defined but not used [-Wunused-const-variable=] 67 | static const struct fixed31_32 dc_fixpt_zero = { 0 }; | ^~~~~~~~~~~~~ vim +/amdgpu_virt_access_debugfs_is_mmio +338 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c 337 339 { 340 return amdgpu_sriov_is_debug(adev) ? true : false; 341 } 342 344 { 345 return amdgpu_sriov_is_normal(adev) ? true : false; 346 } 347 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org