Hi Stephen, kernel test robot noticed the following build warnings: [auto build test WARNING on 8400291e289ee6b2bf9779ff1c83a291501f017b] url: https://github.com/intel-lab-lkp/linux/commits/Stephen-Boyd/drm-atomic-helper-Introduce-lane-remapping-support-to-bridges/20240820-064107 base: 8400291e289ee6b2bf9779ff1c83a291501f017b patch link: https://lore.kernel.org/r/20240819223834.2049862-10-swboyd%40chromium.org patch subject: [PATCH v3 09/17] drm/bridge: dp_typec: Allow users to hook hpd notify path config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20240820/202408201747.NMpzuToG-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240820/202408201747.NMpzuToG-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/202408201747.NMpzuToG-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/gpu/drm/bridge/aux-hpd-bridge.c:61: warning: Function parameter or struct member 'orientation_switch' not described in 'drm_dp_typec_bridge_typec_port' >> drivers/gpu/drm/bridge/aux-hpd-bridge.c:336: warning: Function parameter or struct member 'typec_bridge_dev' not described in 'drm_dp_typec_bridge_add_hpd_notify' vim +336 drivers/gpu/drm/bridge/aux-hpd-bridge.c 327 328 /** 329 * drm_dp_typec_bridge_add_hpd_notify: Register a callback called when the 330 * bridge chain hpd state changes 331 * @hpd_notify: callback for bridge hot plug detect events 332 * @hpd_data: data passed to @hpd_notify callback 333 */ 334 void drm_dp_typec_bridge_add_hpd_notify(struct drm_dp_typec_bridge_dev *typec_bridge_dev, 335 hpd_notify_fn_t hpd_notify, void *hpd_data) > 336 { 337 typec_bridge_dev->hpd_notify = hpd_notify; 338 typec_bridge_dev->hpd_data = hpd_data; 339 } 340 EXPORT_SYMBOL_GPL(drm_dp_typec_bridge_add_hpd_notify); 341 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki