Hi Jani, I love your patch! Yet something to improve: [auto build test ERROR on drm-tip/drm-tip] [cannot apply to drm-intel/for-linux-next v5.17 next-20220321] [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/Jani-Nikula/drm-i915-dmc-cleanups/20220321-215213 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip config: i386-randconfig-s002 (https://download.01.org/0day-ci/archive/20220322/202203221023.tCblMieg-lkp@xxxxxxxxx/config) compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/0day-ci/linux/commit/1e23e4b2519941d741e3489536b37823cece69d8 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jani-Nikula/drm-i915-dmc-cleanups/20220321-215213 git checkout 1e23e4b2519941d741e3489536b37823cece69d8 # save the config file to linux build tree mkdir build_dir make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/gpu/drm/i915/display/intel_dmc.c: In function 'intel_dmc_print_error_state': >> drivers/gpu/drm/i915/display/intel_dmc.c:822:2: error: implicit declaration of function 'i915_error_printf' [-Werror=implicit-function-declaration] 822 | i915_error_printf(m, "DMC loaded: %s\n", | ^~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/i915_error_printf +822 drivers/gpu/drm/i915/display/intel_dmc.c 813 814 void intel_dmc_print_error_state(struct drm_i915_error_state_buf *m, 815 struct drm_i915_private *i915) 816 { 817 struct intel_dmc *dmc = &i915->dmc; 818 819 if (!HAS_DMC(i915)) 820 return; 821 > 822 i915_error_printf(m, "DMC loaded: %s\n", 823 str_yes_no(intel_dmc_has_payload(i915))); 824 i915_error_printf(m, "DMC fw version: %d.%d\n", 825 DMC_VERSION_MAJOR(dmc->version), 826 DMC_VERSION_MINOR(dmc->version)); 827 } 828 -- 0-DAY CI Kernel Test Service https://01.org/lkp
