[kbuild-all] drivers/gpu/drm/amd/amdgpu/../powerplay/navi10_ppt.c:801:6: warning: variable 'ret' set but not used

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1b5044021070efa3259f3e9548dc35d1eb6aa844 commit: 4228b6015d659c63cd8e4f24fc1db3a0c23e56a1 drm/amd/powerplay: add function is_dpm_running for navi10 date: 12 months 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 4228b6015d659c63cd8e4f24fc1db3a0c23e56a1 # 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 <<): drivers/gpu/drm/amd/amdgpu/../powerplay/navi10_ppt.c: In function 'navi10_is_dpm_running': 801 | int ret = 0; | ^~~ drivers/gpu/drm/amd/amdgpu/../powerplay/navi10_ppt.c: At top level: drivers/gpu/drm/amd/amdgpu/../powerplay/navi10_ppt.c:834:34: error: initialization of 'int (*)(struct smu_context *, enum amd_pp_sensors, uint32_t *)' {aka 'int (*)(struct smu_context *, enum amd_pp_sensors, unsigned int *)'} from incompatible pointer type 'int (*)(struct smu_context *, uint32_t *)' {aka 'int (*)(struct smu_context *, unsigned int *)'} [-Werror=incompatible-pointer-types] 834 | .get_current_activity_percent = navi10_get_current_activity_percent, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../powerplay/navi10_ppt.c:834:34: note: (near initialization for 'navi10_ppt_funcs.get_current_activity_percent') In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:29, 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/amdgpu.h:53, from drivers/gpu/drm/amd/amdgpu/../powerplay/navi10_ppt.c:26: 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 }; | ^~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/ret +801 drivers/gpu/drm/amd/amdgpu/../powerplay/navi10_ppt.c 798 799 static bool navi10_is_dpm_running(struct smu_context *smu) 800 { 802 uint32_t feature_mask[2]; 803 unsigned long feature_enabled; 804 ret = smu_feature_get_enabled_mask(smu, feature_mask, 2); 805 feature_enabled = (unsigned long)((uint64_t)feature_mask[0] | 806 ((uint64_t)feature_mask[1] << 32)); 807 return !!(feature_enabled & SMC_DPM_FEATURE); 808 } 809 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org