[kbuild-all] [linux-next:master 550/1252] 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...

Tuesday, 25 January 2022

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   74e5dee6a5b9683e4e78aad784c6c807833cb89b
commit: 837d542a09cd533055423dfca7e621a9c1d13c5b [550/1252] drm/amd/pm: relocate the power
related headers
config: arm-randconfig-r001-20220118
(https://download.01.org/0day-ci/archive/20220125/202201251530.UEfWRPS9-lk...)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project
7b3d30728816403d1fd73cc5082e9fb761262bce)
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/next/linux-next.git/commi...
        git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next 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(a)intel.com&gt;

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(a)amd.com&gt;
:::::: CC: Alex Deucher <alexander.deucher(a)amd.com&gt;

---
0-DAY CI Kernel Test Service, Intel Corporation
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[kbuild-all] [linux-next:master 550/1252] 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...