Hi Harsha, [auto build test ERROR on v4.14-rc3] [cannot apply to drm/drm-next next-20171013] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Harsha-Sharma/drm-amd-powerplay-Remove-unnecessary-cast-on-void-pointer/20171017-001535 config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm All error/warnings (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/ppatomfwctrl.c: In function 'pp_atomfwctrl_get_voltage_info_table': >> drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/ppatomfwctrl.c:69:12: warning: return discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] return table_address; ^~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/ppatomfwctrl.c: In function 'pp_atomfwctrl_get_gpio_lookup_table': drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/ppatomfwctrl.c:176:9: warning: return discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] return table_address; ^~~~~~~~~~~~~ -- drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c: In function 'smu7_get_pp_table_entry_callback_func_v1': >> drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c:2954:47: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] struct smu7_power_state *smu7_power_state = &(power_state->hardware); ^ cc1: some warnings being treated as errors vim +2954 drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c 2948 2949 static int smu7_get_pp_table_entry_callback_func_v1(struct pp_hwmgr *hwmgr, 2950 void *state, struct pp_power_state *power_state, 2951 void *pp_table, uint32_t classification_flag) 2952 { 2953 struct smu7_hwmgr *data = hwmgr->backend; > 2954 struct smu7_power_state *smu7_power_state = &(power_state->hardware); 2955 struct smu7_performance_level *performance_level; 2956 ATOM_Tonga_State *state_entry = state; 2957 ATOM_Tonga_POWERPLAYTABLE *powerplay_table = pp_table; 2958 PPTable_Generic_SubTable_Header *sclk_dep_table = 2959 (PPTable_Generic_SubTable_Header *) 2960 (((unsigned long)powerplay_table) + 2961 le16_to_cpu(powerplay_table->usSclkDependencyTableOffset)); 2962 2963 ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table = 2964 (ATOM_Tonga_MCLK_Dependency_Table *) 2965 (((unsigned long)powerplay_table) + 2966 le16_to_cpu(powerplay_table->usMclkDependencyTableOffset)); 2967 2968 /* The following fields are not initialized here: id orderedList allStatesList */ 2969 power_state->classification.ui_label = 2970 (le16_to_cpu(state_entry->usClassification) & 2971 ATOM_PPLIB_CLASSIFICATION_UI_MASK) >> 2972 ATOM_PPLIB_CLASSIFICATION_UI_SHIFT; 2973 power_state->classification.flags = classification_flag; 2974 /* NOTE: There is a classification2 flag in BIOS that is not being used right now */ 2975 2976 power_state->classification.temporary_state = false; 2977 power_state->classification.to_be_deleted = false; 2978 2979 power_state->validation.disallowOnDC = 2980 (0 != (le32_to_cpu(state_entry->ulCapsAndSettings) & 2981 ATOM_Tonga_DISALLOW_ON_DC)); 2982 2983 power_state->pcie.lanes = 0; 2984 2985 power_state->display.disableFrameModulation = false; 2986 power_state->display.limitRefreshrate = false; 2987 power_state->display.enableVariBright = 2988 (0 != (le32_to_cpu(state_entry->ulCapsAndSettings) & 2989 ATOM_Tonga_ENABLE_VARIBRIGHT)); 2990 2991 power_state->validation.supportedPowerLevels = 0; 2992 power_state->uvd_clocks.VCLK = 0; 2993 power_state->uvd_clocks.DCLK = 0; 2994 power_state->temperatures.min = 0; 2995 power_state->temperatures.max = 0; 2996 2997 performance_level = &(smu7_power_state->performance_levels 2998 [smu7_power_state->performance_level_count++]); 2999 3000 PP_ASSERT_WITH_CODE( 3001 (smu7_power_state->performance_level_count < smum_get_mac_definition(hwmgr->smumgr, SMU_MAX_LEVELS_GRAPHICS)), 3002 "Performance levels exceeds SMC limit!", 3003 return -EINVAL); 3004 3005 PP_ASSERT_WITH_CODE( 3006 (smu7_power_state->performance_level_count <= 3007 hwmgr->platform_descriptor.hardwareActivityPerformanceLevels), 3008 "Performance levels exceeds Driver limit!", 3009 return -EINVAL); 3010 3011 /* Performance levels are arranged from low to high. */ 3012 performance_level->memory_clock = mclk_dep_table->entries 3013 [state_entry->ucMemoryClockIndexLow].ulMclk; 3014 if (sclk_dep_table->ucRevId == 0) 3015 performance_level->engine_clock = ((ATOM_Tonga_SCLK_Dependency_Table *)sclk_dep_table)->entries 3016 [state_entry->ucEngineClockIndexLow].ulSclk; 3017 else if (sclk_dep_table->ucRevId == 1) 3018 performance_level->engine_clock = ((ATOM_Polaris_SCLK_Dependency_Table *)sclk_dep_table)->entries 3019 [state_entry->ucEngineClockIndexLow].ulSclk; 3020 performance_level->pcie_gen = get_pcie_gen_support(data->pcie_gen_cap, 3021 state_entry->ucPCIEGenLow); 3022 performance_level->pcie_lane = get_pcie_lane_support(data->pcie_lane_cap, 3023 state_entry->ucPCIELaneHigh); 3024 3025 performance_level = &(smu7_power_state->performance_levels 3026 [smu7_power_state->performance_level_count++]); 3027 performance_level->memory_clock = mclk_dep_table->entries 3028 [state_entry->ucMemoryClockIndexHigh].ulMclk; 3029 3030 if (sclk_dep_table->ucRevId == 0) 3031 performance_level->engine_clock = ((ATOM_Tonga_SCLK_Dependency_Table *)sclk_dep_table)->entries 3032 [state_entry->ucEngineClockIndexHigh].ulSclk; 3033 else if (sclk_dep_table->ucRevId == 1) 3034 performance_level->engine_clock = ((ATOM_Polaris_SCLK_Dependency_Table *)sclk_dep_table)->entries 3035 [state_entry->ucEngineClockIndexHigh].ulSclk; 3036 3037 performance_level->pcie_gen = get_pcie_gen_support(data->pcie_gen_cap, 3038 state_entry->ucPCIEGenHigh); 3039 performance_level->pcie_lane = get_pcie_lane_support(data->pcie_lane_cap, 3040 state_entry->ucPCIELaneHigh); 3041 3042 return 0; 3043 } 3044 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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