tree: https://github.com/0day-ci/linux/commits/UPDATE-20210430-201044/Anshuman-... head: a7f8b1f478612f4e9e0be9df9e6f0ad2212d01e5 commit: a7f8b1f478612f4e9e0be9df9e6f0ad2212d01e5 drm/i915: lpsp with hdmi/dp outputs date: 6 hours ago config: x86_64-randconfig-r013-20210430 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439) 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/a7f8b1f478612f4e9e0be9df9e6f0ad22... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review UPDATE-20210430-201044/Anshuman-Gupta/drm-i915-lpsp-with-hdmi-dp-outputs/20200601-183050 git checkout a7f8b1f478612f4e9e0be9df9e6f0ad2212d01e5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 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 errors (new ones prefixed by >>): drivers/gpu/drm/i915/display/intel_display.c:7361:7: error: implicit declaration of function 'IS_DG1' [-Werror,-Wimplicit-function-declaration] if (IS_DG1(dev_priv) || DISPLAY_VER(dev_priv) >= 11) ^ if (IS_DG1(dev_priv) || DISPLAY_VER(dev_priv) >= 11) ^ 2 errors generated. vim +/DISPLAY_VER +7361 drivers/gpu/drm/i915/display/intel_display.c 7333 7334 static u64 get_crtc_power_domains(struct intel_crtc_state *crtc_state) 7335 { 7336 struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); 7337 struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); 7338 struct drm_encoder *encoder; 7339 enum pipe pipe = crtc->pipe; 7340 u64 mask; 7341 enum transcoder transcoder = crtc_state->cpu_transcoder; 7342 7343 if (!crtc_state->hw.active) 7344 return 0; 7345 7346 mask = BIT_ULL(POWER_DOMAIN_PIPE(pipe)); 7347 mask |= BIT_ULL(POWER_DOMAIN_TRANSCODER(transcoder)); 7348 if (crtc_state->pch_pfit.enabled || 7349 crtc_state->pch_pfit.force_thru) 7350 mask |= BIT_ULL(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe)); 7351 7352 drm_for_each_encoder_mask(encoder, &dev_priv->drm, 7353 crtc_state->uapi.encoder_mask) { 7354 struct intel_encoder *intel_encoder = to_intel_encoder(encoder); 7355 7356 mask |= BIT_ULL(intel_encoder->power_domain); 7357 } 7358 7359 if (HAS_DDI(dev_priv) && crtc_state->has_audio) { 7360 /* if Audio mmio/verbs lies in PG0 */ 7362 mask |= BIT_ULL(POWER_DOMAIN_DISPLAY_CORE); 7363 else 7364 mask |= BIT_ULL(POWER_DOMAIN_AUDIO); 7365 } 7366 7367 if (crtc_state->shared_dpll) 7368 mask |= BIT_ULL(POWER_DOMAIN_DISPLAY_CORE); 7369 7370 return mask; 7371 } 7372 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org