tree: git://people.freedesktop.org/~agd5f/linux.git drm-next head: d99bd826bd53b4dd02219834e6fff7833c3c1ba0 commit: d1ffa512c635d5df81e18f2686b5e5060ca03f18 [77/94] drm/amdgpu: implement smuio v11_0 callbacks config: x86_64-randconfig-a005-20201113 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 9e0c35655b6e8186baef8840b26ba4090503b554) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git remote add radeon-alex git://people.freedesktop.org/~agd5f/linux.git git fetch --no-tags radeon-alex drm-next git checkout d1ffa512c635d5df81e18f2686b5e5060ca03f18 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/gpu/drm/amd/amdgpu/smuio_v11_0.c:38:6: warning: no previous prototype for function 'smuio_v11_0_update_rom_clock_gating' [-Wmissing-prototypes] void smuio_v11_0_update_rom_clock_gating(struct amdgpu_device *adev, bool enable) ^ drivers/gpu/drm/amd/amdgpu/smuio_v11_0.c:38:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void smuio_v11_0_update_rom_clock_gating(struct amdgpu_device *adev, bool enable) ^ static >> drivers/gpu/drm/amd/amdgpu/smuio_v11_0.c:59:6: warning: no previous prototype for function 'smuio_v11_0_get_clock_gating_state' [-Wmissing-prototypes] void smuio_v11_0_get_clock_gating_state(struct amdgpu_device *adev, u32 *flags) ^ drivers/gpu/drm/amd/amdgpu/smuio_v11_0.c:59:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void smuio_v11_0_get_clock_gating_state(struct amdgpu_device *adev, u32 *flags) ^ static 2 warnings generated. vim +/smuio_v11_0_update_rom_clock_gating +38 drivers/gpu/drm/amd/amdgpu/smuio_v11_0.c 37 > 38 void smuio_v11_0_update_rom_clock_gating(struct amdgpu_device *adev, bool enable) 39 { 40 u32 def, data; 41 42 /* enable/disable ROM CG is not supported on APU */ 43 if (adev->flags & AMD_IS_APU) 44 return; 45 46 def = data = RREG32_SOC15(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0); 47 48 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG)) 49 data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK | 50 CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK); 51 else 52 data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK | 53 CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK; 54 55 if (def != data) 56 WREG32_SOC15(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0, data); 57 } 58 > 59 void smuio_v11_0_get_clock_gating_state(struct amdgpu_device *adev, u32 *flags) 60 { 61 u32 data; 62 63 /* CGTT_ROM_CLK_CTRL0 is not available for APU */ 64 if (adev->flags & AMD_IS_APU) 65 return; 66 67 data = RREG32_SOC15(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0); 68 if (!(data & CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK)) 69 *flags |= AMD_CG_SUPPORT_ROM_MGCG; 70 } 71 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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