Hi Ville, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on drm-tip/drm-tip linus/master next-20240112] [cannot apply to drm-intel/for-linux-next-fixes v6.7] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ville-Syrjala/drm-i915-Use-struct-resource-for-memory-region-IO-as-well/20240112-020958 base: git://anongit.freedesktop.org/drm-intel for-linux-next patch link: https://lore.kernel.org/r/20231215105929.29568-13-ville.syrjala%40linux.intel.com patch subject: [PATCH v2 12/15] drm/i915: Simplify intel_initial_plane_config() calling convention config: arm64-randconfig-004-20240113 (https://download.01.org/0day-ci/archive/20240113/202401130812.FuCMw99v-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240113/202401130812.FuCMw99v-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202401130812.FuCMw99v-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/xe/display/xe_plane_initial.c:270:6: warning: no previous prototype for 'intel_crtc_initial_plane_config' [-Wmissing-prototypes] 270 | void intel_crtc_initial_plane_config(struct intel_crtc *crtc) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for FB_IOMEM_HELPERS Depends on [n]: HAS_IOMEM [=y] && FB_CORE [=n] Selected by [m]: - DRM_XE_DISPLAY [=y] && HAS_IOMEM [=y] && DRM_XE [=m] && EXPERT [=y] && DRM_XE [=m]=m vim +/intel_crtc_initial_plane_config +270 drivers/gpu/drm/xe/display/xe_plane_initial.c 44e694958b9539 Maarten Lankhorst 2023-08-17 269 44e694958b9539 Maarten Lankhorst 2023-08-17 @270 void intel_crtc_initial_plane_config(struct intel_crtc *crtc) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki