Hi Matthew, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on drm-tip/drm-tip next-20210820] [cannot apply to drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next linus/master drm/drm-next v5.14-rc6] [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/Matthew-Brost/Parallel-submissio... base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-buildonly-randconfig-r002-20210821 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 9e9d70591e72fc6762b4b9a226b68ed1307419bf) 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 # https://github.com/0day-ci/linux/commit/55917f6ee7575ffb033e6b19a9eb38c32... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Matthew-Brost/Parallel-submission-aka-multi-bb-execbuf/20210821-065348 git checkout 55917f6ee7575ffb033e6b19a9eb38c3210e14db # 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(a)intel.com&gt; All warnings (new ones prefixed by >>): bool need_tasklet(struct intel_guc *guc, struct i915_request *rq) ^ drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1467:1: note: declare 'static' if the function is not intended to be used outside of this translation unit bool need_tasklet(struct intel_guc *guc, struct i915_request *rq) ^ static 1 warning generated. vim +/need_tasklet +1467 drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c 1466 1468 { 1469 struct i915_sched_engine *sched_engine = rq->engine->sched_engine; 1470 struct intel_context *ce = request_to_scheduling_context(rq); 1471 1472 return submission_disabled(guc) || guc->stalled_request || 1473 !i915_sched_engine_is_empty(sched_engine) || 1474 !lrc_desc_registered(guc, ce->guc_id.id); 1475 } 1476 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org