[radeon-alex:drm-next 333/496] arch/arc/include/asm/bug.h:22:2: error: implicit declaration of function 'pr_warn'; did you mean

[radeon-alex:drm-next 333/496] arch/arc/include/asm/bug.h:22:2: error: implicit declaration of function 'pr_warn'; did you mean

[kernel test robot]

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Hi Evan,

FYI, the error/warning still remains.

tree:   git://people.freedesktop.org/~agd5f/linux.git drm-next
head:   d86eab497ead0df7157704c0ed540652d6ba7ddc
commit: 5872ef0b03247fe659226973998ff28e835afbe4 [333/496] drm/amd/powerplay: forbid to use pr_err/warn/info/debug
config: arc-allyesconfig (attached as .config)
compiler: arc-elf-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 5872ef0b03247fe659226973998ff28e835afbe4
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from include/linux/bug.h:5,
                    from include/linux/mmdebug.h:5,
                    from include/linux/gfp.h:5,
                    from include/linux/firmware.h:7,
                    from drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:23:
   drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c: In function 'smu_v11_0_init_microcode':
>> arch/arc/include/asm/bug.h:22:2: error: implicit declaration of function 'pr_warn'; did you mean 'pci_warn'? [-Werror=implicit-function-declaration]
      22 |  pr_warn("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
         |  ^~~~~~~
   drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:176:3: note: in expansion of macro 'BUG'
     176 |   BUG();
         |   ^~~
   In file included from drivers/gpu/drm/amd/amdgpu/../powerplay/smu_v11_0.c:30:
   At top level:
   drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:190:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
     190 | 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/../powerplay/smu_v11_0.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 };
         |                                ^~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +22 arch/arc/include/asm/bug.h

3be80aaef861a6 Vineet Gupta  2013-01-18  20  
3be80aaef861a6 Vineet Gupta  2013-01-18  21  #define BUG()	do {								\
3872d05299b5ab Vineet Gupta  2014-09-24 @22  	pr_warn("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
173a3efd3edb2e Arnd Bergmann 2018-02-21  23  	barrier_before_unreachable();						\
173a3efd3edb2e Arnd Bergmann 2018-02-21  24  	__builtin_trap();							\
3be80aaef861a6 Vineet Gupta  2013-01-18  25  } while (0)
3be80aaef861a6 Vineet Gupta  2013-01-18  26  

:::::: The code at line 22 was first introduced by commit
:::::: 3872d05299b5ab58446f484df18f71cab4628c50 ARC: BUG() dumps stack after @msg (@msg now same as in generic BUG))

:::::: TO: Vineet Gupta <vgupta@synopsys.com>
:::::: CC: Vineet Gupta <vgupta@synopsys.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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