Hi Andy, I love your patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on v5.9-rc1 next-20200819] [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/Andy-Shevchenko/drm-i915-gt-conv... base: git://anongit.freedesktop.org/drm-intel for-linux-next config: i386-randconfig-r024-20200818 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): drivers/gpu/drm/i915/gt/intel_lrc.c: In function 'execlists_submission_tasklet': drivers/gpu/drm/i915/gt/intel_lrc.c:3135:42: error: implicit declaration of function 'from_tasklet' [-Werror=implicit-function-declaration] 3135 | struct intel_engine_cs * const engine = from_tasklet(engine, t, execlists.tasklet); | ^~~~~~~~~~~~ drivers/gpu/drm/i915/gt/intel_lrc.c:3135:66: error: 'execlists' undeclared (first use in this function); did you mean 'execlists_hold'? 3135 | struct intel_engine_cs * const engine = from_tasklet(engine, t, execlists.tasklet); | ^~~~~~~~~ | execlists_hold drivers/gpu/drm/i915/gt/intel_lrc.c:3135:66: note: each undeclared identifier is reported only once for each function it appears in drivers/gpu/drm/i915/gt/intel_lrc.c: In function 'intel_execlists_set_default_submission': 4989 | engine->execlists.tasklet.func = execlists_submission_tasklet; | ^ drivers/gpu/drm/i915/gt/intel_lrc.c: In function 'intel_execlists_submission_setup': drivers/gpu/drm/i915/gt/intel_lrc.c:5116:2: error: implicit declaration of function 'tasklet_setup' [-Werror=implicit-function-declaration] 5116 | tasklet_setup(&engine->execlists.tasklet, execlists_submission_tasklet); | ^~~~~~~~~~~~~ drivers/gpu/drm/i915/gt/intel_lrc.c: In function 'virtual_submission_tasklet': drivers/gpu/drm/i915/gt/intel_lrc.c:5513:57: error: 'base' undeclared (first use in this function) 5513 | struct virtual_engine * const ve = from_tasklet(ve, t, base.execlists.tasklet); | ^~~~ drivers/gpu/drm/i915/gt/intel_lrc.c: In function 'intel_execlists_create_virtual': 5748 | if (sibling->execlists.tasklet.func != | ^~ cc1: some warnings being treated as errors # https://github.com/0day-ci/linux/commit/72a087952fafa97f8e7fa8b42fee8234c... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Andy-Shevchenko/drm-i915-gt-convert-tasklets-to-use-new-tasklet_setup-API/20200819-195502 git checkout 72a087952fafa97f8e7fa8b42fee8234c2a04fd7 vim +4989 drivers/gpu/drm/i915/gt/intel_lrc.c c34c5bca331adc drivers/gpu/drm/i915/gt/intel_lrc.c Chris Wilson 2019-05-03 4984 209b7955e59e36 drivers/gpu/drm/i915/intel_lrc.c Chris Wilson 2018-07-17 4985 void intel_execlists_set_default_submission(struct intel_engine_cs *engine) ddd66c5154c25d drivers/gpu/drm/i915/intel_lrc.c Chris Wilson 2016-08-02 4986 { f4ea6bddb9988e drivers/gpu/drm/i915/intel_lrc.c Chris Wilson 2016-08-02 4987 engine->submit_request = execlists_submit_request; e2f3496e93be32 drivers/gpu/drm/i915/intel_lrc.c Chris Wilson 2018-10-01 4988 engine->schedule = i915_schedule; c6dce8f140bc19 drivers/gpu/drm/i915/intel_lrc.c Sagar Arun Kamble 2017-11-16 @4989 engine->execlists.tasklet.func = execlists_submission_tasklet; aba5e278586b16 drivers/gpu/drm/i915/intel_lrc.c Chris Wilson 2017-10-25 4990 1329115c6c4370 drivers/gpu/drm/i915/intel_lrc.c Chris Wilson 2018-05-16 4991 engine->reset.prepare = execlists_reset_prepare; e26b6d4341476f drivers/gpu/drm/i915/gt/intel_lrc.c Chris Wilson 2019-12-22 4992 engine->reset.rewind = execlists_reset_rewind; e26b6d4341476f drivers/gpu/drm/i915/gt/intel_lrc.c Chris Wilson 2019-12-22 4993 engine->reset.cancel = execlists_reset_cancel; 292ad25c22d965 drivers/gpu/drm/i915/intel_lrc.c Chris Wilson 2019-04-11 4994 engine->reset.finish = execlists_reset_finish; 1329115c6c4370 drivers/gpu/drm/i915/intel_lrc.c Chris Wilson 2018-05-16 4995 c34c5bca331adc drivers/gpu/drm/i915/gt/intel_lrc.c Chris Wilson 2019-05-03 4996 engine->park = execlists_park; aba5e278586b16 drivers/gpu/drm/i915/intel_lrc.c Chris Wilson 2017-10-25 4997 engine->unpark = NULL; cf669b4e9fdce4 drivers/gpu/drm/i915/intel_lrc.c Tvrtko Ursulin 2017-11-29 4998 cf669b4e9fdce4 drivers/gpu/drm/i915/intel_lrc.c Tvrtko Ursulin 2017-11-29 4999 engine->flags |= I915_ENGINE_SUPPORTS_STATS; 09975b861aa0c5 drivers/gpu/drm/i915/gt/intel_lrc.c Chris Wilson 2019-07-09 5000 if (!intel_vgpu_active(engine->i915)) { a2deb87396b090 drivers/gpu/drm/i915/intel_lrc.c Zhenyu Wang 2019-03-27 5001 engine->flags |= I915_ENGINE_HAS_SEMAPHORES; a211da9c771bf9 drivers/gpu/drm/i915/gt/intel_lrc.c Chris Wilson 2020-05-01 5002 if (HAS_LOGICAL_RING_PREEMPTION(engine->i915)) { 2a694feb93556e drivers/gpu/drm/i915/intel_lrc.c Chris Wilson 2018-04-03 5003 engine->flags |= I915_ENGINE_HAS_PREEMPTION; a211da9c771bf9 drivers/gpu/drm/i915/gt/intel_lrc.c Chris Wilson 2020-05-01 5004 if (IS_ACTIVE(CONFIG_DRM_I915_TIMESLICE_DURATION)) a211da9c771bf9 drivers/gpu/drm/i915/gt/intel_lrc.c Chris Wilson 2020-05-01 5005 engine->flags |= I915_ENGINE_HAS_TIMESLICES; a211da9c771bf9 drivers/gpu/drm/i915/gt/intel_lrc.c Chris Wilson 2020-05-01 5006 } 20311bd3506043 drivers/gpu/drm/i915/intel_lrc.c Chris Wilson 2016-11-14 5007 } cdb736fa8b8b65 drivers/gpu/drm/i915/gt/intel_lrc.c Mika Kuoppala 2019-09-06 5008 ba2c74da52eba3 drivers/gpu/drm/i915/gt/intel_lrc.c Daniele Ceraolo Spurio 2019-10-09 5009 if (INTEL_GEN(engine->i915) >= 12) cdb736fa8b8b65 drivers/gpu/drm/i915/gt/intel_lrc.c Mika Kuoppala 2019-09-06 5010 engine->flags |= I915_ENGINE_HAS_RELATIVE_MMIO; a5e93b42f462fc drivers/gpu/drm/i915/gt/intel_lrc.c Chris Wilson 2019-12-13 5011 a5e93b42f462fc drivers/gpu/drm/i915/gt/intel_lrc.c Chris Wilson 2019-12-13 5012 if (intel_engine_has_preemption(engine)) a5e93b42f462fc drivers/gpu/drm/i915/gt/intel_lrc.c Chris Wilson 2019-12-13 5013 engine->emit_bb_start = gen8_emit_bb_start; a5e93b42f462fc drivers/gpu/drm/i915/gt/intel_lrc.c Chris Wilson 2019-12-13 5014 else a5e93b42f462fc drivers/gpu/drm/i915/gt/intel_lrc.c Chris Wilson 2019-12-13 5015 engine->emit_bb_start = gen8_emit_bb_start_noarb; 09975b861aa0c5 drivers/gpu/drm/i915/gt/intel_lrc.c Chris Wilson 2019-07-09 5016 } ddd66c5154c25d drivers/gpu/drm/i915/intel_lrc.c Chris Wilson 2016-08-02 5017 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org