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Date: Tue, 19 Apr 2022 13:45:25 +0800
From: kernel test robot <lkp@...el.com>
To: Evan Quan <evan.quan@....com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org,
Alex Deucher <alexander.deucher@....com>,
Lijo Lazar <lijo.lazar@....com>
Subject: drivers/gpu/drm/amd/amdgpu/../pm/swsmu/inc/smu_v11_0_pptable.h:163:17:
warning: field smc_pptable within 'struct smu_11_0_powerplay_table' is less
aligned than 'PPTable_t' and is usually due to 'struct
smu_11_0_powerplay_table' being packed, which can lea...
Hi Evan,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: b2d229d4ddb17db541098b83524d901257e93845
commit: 837d542a09cd533055423dfca7e621a9c1d13c5b drm/amd/pm: relocate the power related headers
date: 3 months ago
config: arm-randconfig-r035-20220418 (https://download.01.org/0day-ci/archive/20220419/202204191309.RHCwD9RR-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 429cbac0390654f90bba18a41799464adf31a5ec)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=837d542a09cd533055423dfca7e621a9c1d13c5b
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 837d542a09cd533055423dfca7e621a9c1d13c5b
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/arcturus_ppt.c:37:
>> drivers/gpu/drm/amd/amdgpu/../pm/swsmu/inc/smu_v11_0_pptable.h:163:17: warning: field smc_pptable within 'struct smu_11_0_powerplay_table' is less aligned than 'PPTable_t' and is usually due to 'struct smu_11_0_powerplay_table' being packed, which can lead to unaligned accesses [-Wunaligned-access]
PPTable_t smc_pptable; //PPTable_t in smu11_driver_if.h
^
1 warning generated.
--
In file included from drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu11/sienna_cichlid_ppt.c:39:
>> drivers/gpu/drm/amd/amdgpu/../pm/swsmu/inc/smu_v11_0_7_pptable.h:193:17: warning: field smc_pptable within 'struct smu_11_0_7_powerplay_table' is less aligned than 'PPTable_t' and is usually due to 'struct smu_11_0_7_powerplay_table' being packed, which can lead to unaligned accesses [-Wunaligned-access]
PPTable_t smc_pptable; //PPTable_t in smu11_driver_if.h
^
1 warning generated.
--
In file included from drivers/gpu/drm/amd/amdgpu/../pm/swsmu/smu13/aldebaran_ppt.c:37:
>> drivers/gpu/drm/amd/amdgpu/../pm/swsmu/inc/smu_v13_0_pptable.h:161:12: warning: field smc_pptable within 'struct smu_13_0_powerplay_table' is less aligned than 'PPTable_t' and is usually due to 'struct smu_13_0_powerplay_table' being packed, which can lead to unaligned accesses [-Wunaligned-access]
PPTable_t smc_pptable; //PPTable_t in driver_if.h
^
1 warning generated.
vim +163 drivers/gpu/drm/amd/amdgpu/../pm/swsmu/inc/smu_v11_0_pptable.h
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 137
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 138 struct smu_11_0_powerplay_table
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 139 {
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 140 struct atom_common_table_header header;
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 141 uint8_t table_revision;
4b2bb705a0b72f drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Kenneth Feng 2019-04-04 142 uint16_t table_size; //Driver portion table size. The offset to smc_pptable including header size
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 143 uint32_t golden_pp_id;
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 144 uint32_t golden_revision;
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 145 uint16_t format_id;
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 146 uint32_t platform_caps; //POWERPLAYABLE::ulPlatformCaps
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 147
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 148 uint8_t thermal_controller_type; //one of SMU_11_0_PP_THERMALCONTROLLER
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 149
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 150 uint16_t small_power_limit1;
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 151 uint16_t small_power_limit2;
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 152 uint16_t boost_power_limit;
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 153 uint16_t od_turbo_power_limit; //Power limit setting for Turbo mode in Performance UI Tuning.
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 154 uint16_t od_power_save_power_limit; //Power limit setting for PowerSave/Optimal mode in Performance UI Tuning.
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 155 uint16_t software_shutdown_temp;
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 156
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 157 uint16_t reserve[6]; //Zero filled field reserved for future use
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 158
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 159 struct smu_11_0_power_saving_clock_table power_saving_clock;
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 160 struct smu_11_0_overdrive_table overdrive_table;
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 161
73abde4d864b38 drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Matt Coffin 2019-11-11 162 #ifndef SMU_11_0_PARTIAL_PPTABLE
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 @163 PPTable_t smc_pptable; //PPTable_t in smu11_driver_if.h
73abde4d864b38 drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Matt Coffin 2019-11-11 164 #endif
2dd1209e576068 drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2019-02-12 165 } __attribute__((packed));
ae35cd6a480f9c drivers/gpu/drm/amd/powerplay/inc/smu_v11_0_pptable.h Huang Rui 2018-12-12 166
:::::: The code at line 163 was first introduced by commit
:::::: ae35cd6a480f9c2ac356f792c9a9321a5863776a drm/amd/powerplay: add pptable header for smu11
:::::: TO: Huang Rui <ray.huang@....com>
:::::: CC: Alex Deucher <alexander.deucher@....com>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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