Hi Vinay, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-tip/drm-tip] [cannot apply to drm-intel/for-linux-next drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next drm/drm-next v5.14-rc2 next-20210721] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Vinay-Belgaumkar/drm-i915-guc-Enable-GuC-based-power-management-features/20210722-001528 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip config: x86_64-randconfig-a016-20210720 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project c781eb153bfbd1b52b03efe34f56bbeccbb8aba6) 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 # https://github.com/0day-ci/linux/commit/14352081e4f18759e70413f3be4151d623c97b8c git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Vinay-Belgaumkar/drm-i915-guc-Enable-GuC-based-power-management-features/20210722-001528 git checkout 14352081e4f18759e70413f3be4151d623c97b8c # 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/i915/gt/uc/intel_guc_slpc.c:217:5: warning: no previous prototype for function 'slpc_decode_min_freq' [-Wmissing-prototypes] u32 slpc_decode_min_freq(struct intel_guc_slpc *slpc) ^ drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:217:1: note: declare 'static' if the function is not intended to be used outside of this translation unit u32 slpc_decode_min_freq(struct intel_guc_slpc *slpc) ^ static >> drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:229:5: warning: no previous prototype for function 'slpc_decode_max_freq' [-Wmissing-prototypes] u32 slpc_decode_max_freq(struct intel_guc_slpc *slpc) ^ drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c:229:1: note: declare 'static' if the function is not intended to be used outside of this translation unit u32 slpc_decode_max_freq(struct intel_guc_slpc *slpc) ^ static 2 warnings generated. vim +/slpc_decode_min_freq +217 drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c 216 > 217 u32 slpc_decode_min_freq(struct intel_guc_slpc *slpc) 218 { 219 struct slpc_shared_data *data = slpc->vaddr; 220 221 GEM_BUG_ON(!slpc->vma); 222 223 return DIV_ROUND_CLOSEST( 224 REG_FIELD_GET(SLPC_MIN_UNSLICE_FREQ_MASK, 225 data->task_state_data.freq) * 226 GT_FREQUENCY_MULTIPLIER, GEN9_FREQ_SCALER); 227 } 228 > 229 u32 slpc_decode_max_freq(struct intel_guc_slpc *slpc) 230 { 231 struct slpc_shared_data *data = slpc->vaddr; 232 233 GEM_BUG_ON(!slpc->vma); 234 235 return DIV_ROUND_CLOSEST( 236 REG_FIELD_GET(SLPC_MAX_UNSLICE_FREQ_MASK, 237 data->task_state_data.freq) * 238 GT_FREQUENCY_MULTIPLIER, GEN9_FREQ_SCALER); 239 } 240 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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