[kbuild-all] [gustavoars-linux:testing/staging/rtl8188eu 1/2] drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_hwmgr.c:3113:30: warning: array subscript 4 is above array bounds of {aka 'struct

tree: https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/staging/rtl8188eu head: 25e1a76c1c41a6d6f103b572f4f50ba30787f9ab commit: 78d593615c6f1cd10232a34899af93d5d2696c30 [1/2] Makefile: Enable -Warray-bounds config: microblaze-randconfig-r005-20210209 (attached as .config) compiler: microblaze-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 # https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/comm... git remote add gustavoars-linux https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git git fetch --no-tags gustavoars-linux testing/staging/rtl8188eu git checkout 78d593615c6f1cd10232a34899af93d5d2696c30 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze 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/powerplay/hwmgr/vega10_hwmgr.c: In function 'vega10_get_pp_table_entry_callback_func': 3113 | gfxclk_dep_table->entries[4].ulClk; | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~ vim +3113 drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_hwmgr.c f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3023 f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3024 static int vega10_get_pp_table_entry_callback_func(struct pp_hwmgr *hwmgr, f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3025 void *state, struct pp_power_state *power_state, f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3026 void *pp_table, uint32_t classification_flag) f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3027 { ebc1c9c1be5b49 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Rex Zhu 2017-06-19 3028 ATOM_Vega10_GFXCLK_Dependency_Record_V2 *patom_record_V2; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3029 struct vega10_power_state *vega10_power_state = f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3030 cast_phw_vega10_power_state(&(power_state->hardware)); f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3031 struct vega10_performance_level *performance_level; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3032 ATOM_Vega10_State *state_entry = (ATOM_Vega10_State *)state; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3033 ATOM_Vega10_POWERPLAYTABLE *powerplay_table = f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3034 (ATOM_Vega10_POWERPLAYTABLE *)pp_table; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3035 ATOM_Vega10_SOCCLK_Dependency_Table *socclk_dep_table = f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3036 (ATOM_Vega10_SOCCLK_Dependency_Table *) f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3037 (((unsigned long)powerplay_table) + f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3038 le16_to_cpu(powerplay_table->usSocclkDependencyTableOffset)); f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3039 ATOM_Vega10_GFXCLK_Dependency_Table *gfxclk_dep_table = f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3040 (ATOM_Vega10_GFXCLK_Dependency_Table *) f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3041 (((unsigned long)powerplay_table) + f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3042 le16_to_cpu(powerplay_table->usGfxclkDependencyTableOffset)); f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3043 ATOM_Vega10_MCLK_Dependency_Table *mclk_dep_table = f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3044 (ATOM_Vega10_MCLK_Dependency_Table *) f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3045 (((unsigned long)powerplay_table) + f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3046 le16_to_cpu(powerplay_table->usMclkDependencyTableOffset)); f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3047 f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3048 f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3049 /* The following fields are not initialized here: f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3050 * id orderedList allStatesList f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3051 */ f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3052 power_state->classification.ui_label = f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3053 (le16_to_cpu(state_entry->usClassification) & f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3054 ATOM_PPLIB_CLASSIFICATION_UI_MASK) >> f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3055 ATOM_PPLIB_CLASSIFICATION_UI_SHIFT; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3056 power_state->classification.flags = classification_flag; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3057 /* NOTE: There is a classification2 flag in BIOS f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3058 * that is not being used right now f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3059 */ f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3060 power_state->classification.temporary_state = false; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3061 power_state->classification.to_be_deleted = false; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3062 f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3063 power_state->validation.disallowOnDC = f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3064 ((le32_to_cpu(state_entry->ulCapsAndSettings) & f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3065 ATOM_Vega10_DISALLOW_ON_DC) != 0); f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3066 f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3067 power_state->display.disableFrameModulation = false; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3068 power_state->display.limitRefreshrate = false; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3069 power_state->display.enableVariBright = f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3070 ((le32_to_cpu(state_entry->ulCapsAndSettings) & f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3071 ATOM_Vega10_ENABLE_VARIBRIGHT) != 0); f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3072 f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3073 power_state->validation.supportedPowerLevels = 0; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3074 power_state->uvd_clocks.VCLK = 0; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3075 power_state->uvd_clocks.DCLK = 0; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3076 power_state->temperatures.min = 0; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3077 power_state->temperatures.max = 0; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3078 f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3079 performance_level = &(vega10_power_state->performance_levels f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3080 [vega10_power_state->performance_level_count++]); f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3081 f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3082 PP_ASSERT_WITH_CODE( f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3083 (vega10_power_state->performance_level_count < f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3084 NUM_GFXCLK_DPM_LEVELS), f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3085 "Performance levels exceeds SMC limit!", f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3086 return -1); f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3087 f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3088 PP_ASSERT_WITH_CODE( f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3089 (vega10_power_state->performance_level_count <= f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3090 hwmgr->platform_descriptor. f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3091 hardwareActivityPerformanceLevels), f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3092 "Performance levels exceeds Driver limit!", f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3093 return -1); f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3094 f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3095 /* Performance levels are arranged from low to high. */ f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3096 performance_level->soc_clock = socclk_dep_table->entries f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3097 [state_entry->ucSocClockIndexLow].ulClk; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3098 performance_level->gfx_clock = gfxclk_dep_table->entries f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3099 [state_entry->ucGfxClockIndexLow].ulClk; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3100 performance_level->mem_clock = mclk_dep_table->entries f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3101 [state_entry->ucMemClockIndexLow].ulMemClk; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3102 f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3103 performance_level = &(vega10_power_state->performance_levels f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3104 [vega10_power_state->performance_level_count++]); f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3105 performance_level->soc_clock = socclk_dep_table->entries f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3106 [state_entry->ucSocClockIndexHigh].ulClk; ebc1c9c1be5b49 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Rex Zhu 2017-06-19 3107 if (gfxclk_dep_table->ucRevId == 0) { c9ffa427db34e6 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Yintian Tao 2019-10-30 3108 /* under vega10 pp one vf mode, the gfx clk dpm need be lower c9ffa427db34e6 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Yintian Tao 2019-10-30 3109 * to level-4 due to the limited 110w-power c9ffa427db34e6 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Yintian Tao 2019-10-30 3110 */ c9ffa427db34e6 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Yintian Tao 2019-10-30 3111 if (hwmgr->pp_one_vf && (state_entry->ucGfxClockIndexHigh > 0)) c9ffa427db34e6 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Yintian Tao 2019-10-30 3112 performance_level->gfx_clock = c9ffa427db34e6 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Yintian Tao 2019-10-30 @3113 gfxclk_dep_table->entries[4].ulClk; c9ffa427db34e6 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Yintian Tao 2019-10-30 3114 else f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3115 performance_level->gfx_clock = gfxclk_dep_table->entries f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3116 [state_entry->ucGfxClockIndexHigh].ulClk; ebc1c9c1be5b49 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Rex Zhu 2017-06-19 3117 } else if (gfxclk_dep_table->ucRevId == 1) { ebc1c9c1be5b49 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Rex Zhu 2017-06-19 3118 patom_record_V2 = (ATOM_Vega10_GFXCLK_Dependency_Record_V2 *)gfxclk_dep_table->entries; c9ffa427db34e6 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Yintian Tao 2019-10-30 3119 if (hwmgr->pp_one_vf && (state_entry->ucGfxClockIndexHigh > 0)) c9ffa427db34e6 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Yintian Tao 2019-10-30 3120 performance_level->gfx_clock = patom_record_V2[4].ulClk; c9ffa427db34e6 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Yintian Tao 2019-10-30 3121 else c9ffa427db34e6 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Yintian Tao 2019-10-30 3122 performance_level->gfx_clock = c9ffa427db34e6 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Yintian Tao 2019-10-30 3123 patom_record_V2[state_entry->ucGfxClockIndexHigh].ulClk; ebc1c9c1be5b49 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Rex Zhu 2017-06-19 3124 } ebc1c9c1be5b49 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Rex Zhu 2017-06-19 3125 f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3126 performance_level->mem_clock = mclk_dep_table->entries f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3127 [state_entry->ucMemClockIndexHigh].ulMemClk; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3128 return 0; f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3129 } f83a9991648bb4 drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c Eric Huang 2017-03-06 3130 :::::: The code at line 3113 was first introduced by commit :::::: c9ffa427db34e6896523f0ef0c172a0bbb77c9ad drm/amd/powerplay: enable pp one vf mode for vega10 :::::: TO: Yintian Tao <yttao(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