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

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