tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next head: 2dec4fa1c0a2e25aaef50fba28fb7360b4e7dc43 commit: 82e6bcf7c9a0c82f3d41a5837bb1dadd68037e55 [1403/1408] drm/amd/pm: optimize the power related source code layout config: alpha-randconfig-r005-20200816 (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 checkout 82e6bcf7c9a0c82f3d41a5837bb1dadd68037e55 # 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(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/arcturus_ppt.c: In function 'arcturus_is_dpm_running': 1845 | int ret = 0; | ^~~ In file included from drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/arcturus_ppt.c:27: At top level: drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:195:19: warning: 'no_system_mem_limit' defined but not used [-Wunused-const-variable=] 195 | static const bool no_system_mem_limit; | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:194:19: warning: 'debug_evictions' defined but not used [-Wunused-const-variable=] 194 | static const bool debug_evictions; /* = false */ | ^~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:193:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=] 193 | 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/amdgpu.h:65, from drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/arcturus_ppt.c:27: 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 }; | ^~~~~~~~~~~~~ -- drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/navi10_ppt.c: In function 'navi10_is_dpm_running': 1346 | int ret = 0; | ^~~ In file included from drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/navi10_ppt.c:29: At top level: drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:195:19: warning: 'no_system_mem_limit' defined but not used [-Wunused-const-variable=] 195 | static const bool no_system_mem_limit; | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:194:19: warning: 'debug_evictions' defined but not used [-Wunused-const-variable=] 194 | static const bool debug_evictions; /* = false */ | ^~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:193:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=] 193 | 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/amdgpu.h:65, from drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/navi10_ppt.c:29: 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 }; | ^~~~~~~~~~~~~ -- drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/sienna_cichlid_ppt.c: In function 'sienna_cichlid_is_dpm_running': 1150 | int ret = 0; | ^~~ In file included from drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/sienna_cichlid_ppt.c:29: At top level: drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:195:19: warning: 'no_system_mem_limit' defined but not used [-Wunused-const-variable=] 195 | static const bool no_system_mem_limit; | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:194:19: warning: 'debug_evictions' defined but not used [-Wunused-const-variable=] 194 | static const bool debug_evictions; /* = false */ | ^~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:193:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=] 193 | 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/amdgpu.h:65, from drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/sienna_cichlid_ppt.c:29: 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 }; | ^~~~~~~~~~~~~ -- drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/tonga_smumgr.c: In function 'tonga_thermal_setup_fan_table': 2469 | int res; | ^~~ In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/amd_powerplay.h:33, from drivers/gpu/drm/amd/amdgpu/../pm/inc/smumgr.h:26, from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/tonga_smumgr.c:30: At top level: drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:195:19: warning: 'no_system_mem_limit' defined but not used [-Wunused-const-variable=] 195 | static const bool no_system_mem_limit; | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:194:19: warning: 'debug_evictions' defined but not used [-Wunused-const-variable=] 194 | static const bool debug_evictions; /* = false */ | ^~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:193:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=] 193 | 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/../pm/inc/amd_powerplay.h:31, from drivers/gpu/drm/amd/amdgpu/../pm/inc/smumgr.h:26, from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/tonga_smumgr.c:30: 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 }; | ^~~~~~~~~~~~~ -- drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/fiji_smumgr.c: In function 'fiji_populate_smc_boot_level': 1604 | int result = 0; | ^~~~~~ In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/amd_powerplay.h:33, from drivers/gpu/drm/amd/amdgpu/../pm/inc/smumgr.h:26, from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/fiji_smumgr.c:25: At top level: drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:195:19: warning: 'no_system_mem_limit' defined but not used [-Wunused-const-variable=] 195 | static const bool no_system_mem_limit; | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:194:19: warning: 'debug_evictions' defined but not used [-Wunused-const-variable=] 194 | static const bool debug_evictions; /* = false */ | ^~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:193:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=] 193 | 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/../pm/inc/amd_powerplay.h:31, from drivers/gpu/drm/amd/amdgpu/../pm/inc/smumgr.h:26, from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/fiji_smumgr.c:25: 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 }; | ^~~~~~~~~~~~~ -- drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/polaris10_smumgr.c: In function 'polaris10_populate_smc_boot_level': 1453 | int result = 0; | ^~~~~~ drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/polaris10_smumgr.c: At top level: 2045 | int polaris10_thermal_avfs_enable(struct pp_hwmgr *hwmgr) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/amd_powerplay.h:33, from drivers/gpu/drm/amd/amdgpu/../pm/inc/smumgr.h:26, from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/polaris10_smumgr.c:27: drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:195:19: warning: 'no_system_mem_limit' defined but not used [-Wunused-const-variable=] 195 | static const bool no_system_mem_limit; | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:194:19: warning: 'debug_evictions' defined but not used [-Wunused-const-variable=] 194 | static const bool debug_evictions; /* = false */ | ^~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:193:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=] 193 | 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/../pm/inc/amd_powerplay.h:31, from drivers/gpu/drm/amd/amdgpu/../pm/inc/smumgr.h:26, from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/polaris10_smumgr.c:27: 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 }; | ^~~~~~~~~~~~~ -- 2085 | int iceland_thermal_setup_fan_table(struct pp_hwmgr *hwmgr) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/iceland_smumgr.c: In function 'iceland_thermal_setup_fan_table': 2093 | int res; | ^~~ In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/amd_powerplay.h:33, from drivers/gpu/drm/amd/amdgpu/../pm/inc/smumgr.h:26, from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/iceland_smumgr.c:32: At top level: drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:195:19: warning: 'no_system_mem_limit' defined but not used [-Wunused-const-variable=] 195 | static const bool no_system_mem_limit; | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:194:19: warning: 'debug_evictions' defined but not used [-Wunused-const-variable=] 194 | static const bool debug_evictions; /* = false */ | ^~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:193:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=] 193 | 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/../pm/inc/amd_powerplay.h:31, from drivers/gpu/drm/amd/amdgpu/../pm/inc/smumgr.h:26, from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/iceland_smumgr.c:32: 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 }; | ^~~~~~~~~~~~~ -- drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/ci_smumgr.c: In function 'ci_thermal_setup_fan_table': 2131 | int res; | ^~~ In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/amd_powerplay.h:33, from drivers/gpu/drm/amd/amdgpu/../pm/inc/smumgr.h:26, from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/ci_smumgr.c:30: At top level: drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:195:19: warning: 'no_system_mem_limit' defined but not used [-Wunused-const-variable=] 195 | static const bool no_system_mem_limit; | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:194:19: warning: 'debug_evictions' defined but not used [-Wunused-const-variable=] 194 | static const bool debug_evictions; /* = false */ | ^~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:193:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=] 193 | 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/../pm/inc/amd_powerplay.h:31, from drivers/gpu/drm/amd/amdgpu/../pm/inc/smumgr.h:26, from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/ci_smumgr.c:30: 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 +/Y_LessThanOne +336 drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppevvmath.h 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 331 21039ac388c5325 drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Nils Wallménius 2016-04-24 332 static fInt fMultiply (fInt X, fInt Y) /* Uses 64-bit integers (int64_t) */ 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 333 { 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 334 fInt Product; 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 335 int64_t tempProduct; 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 @336 bool X_LessThanOne, Y_LessThanOne; 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 337 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 338 X_LessThanOne = (X.partial.real == 0 && X.partial.decimal != 0 && X.full >= 0); 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 339 Y_LessThanOne = (Y.partial.real == 0 && Y.partial.decimal != 0 && Y.full >= 0); 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 340 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 341 /*The following is for a very specific common case: Non-zero number with ONLY fractional portion*/ 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 342 /* TEMPORARILY DISABLED - CAN BE USED TO IMPROVE PRECISION 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 343 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 344 if (X_LessThanOne && Y_LessThanOne) { 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 345 Product.full = X.full * Y.full; 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 346 return Product 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 347 }*/ 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 348 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 349 tempProduct = ((int64_t)X.full) * ((int64_t)Y.full); /*Q(16,16)*Q(16,16) = Q(32, 32) - Might become a negative number! */ 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 350 tempProduct = tempProduct >> 16; /*Remove lagging 16 bits - Will lose some precision from decimal; */ 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 351 Product.full = (int)tempProduct; /*The int64_t will lose the leading 16 bits that were part of the integer portion */ 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 352 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 353 return Product; 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 354 } 770911a3cfbb43b drivers/gpu/drm/amd/powerplay/hwmgr/ppevvmath.h Eric Huang 2015-11-09 355 :::::: The code at line 336 was first introduced by commit :::::: 770911a3cfbb43b67b5ea3189b624e4fe2cb27c1 drm/amd/powerplay: add/update headers for Fiji SMU and DPM :::::: TO: Eric Huang <JinHuiEric.Huang(a)amd.com&gt; :::::: CC: Alex Deucher <alexander.deucher(a)amd.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org