linux-kernel - Re: [PATCH 3/3] drm/panel-edp: Choose correct preferred mode

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Date:   Thu, 2 Nov 2023 12:14:33 +0800
From:   kernel test robot <lkp@...el.com>
To:     Hsin-Yi Wang <hsinyi@...omium.org>,
        Douglas Anderson <dianders@...omium.org>
Cc:     oe-kbuild-all@...ts.linux.dev,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Jessica Zhang <quic_jesszhan@...cinc.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] drm/panel-edp: Choose correct preferred mode

Hi Hsin-Yi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm-misc/drm-misc-next]
[cannot apply to linus/master v6.6 next-20231101]
[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/Hsin-Yi-Wang/drm-panel-edp-Add-several-generic-edp-panels/20231102-053007
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20231101212604.1636517-4-hsinyi%40chromium.org
patch subject: [PATCH 3/3] drm/panel-edp: Choose correct preferred mode
config: arc-randconfig-001-20231102 (https://download.01.org/0day-ci/archive/20231102/202311021208.ekIThlkq-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231102/202311021208.ekIThlkq-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311021208.ekIThlkq-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/drm_modes.c:1944: warning: expecting prototype for drm_mode_unset_preferred(). Prototype was for drm_mode_unset_preferred_modes() instead


vim +1944 drivers/gpu/drm/drm_modes.c

  1935	
  1936	/**
  1937	 * drm_mode_unset_preferred - clear the preferred status on existing modes.
  1938	 * @connector: the connector to update
  1939	 *
  1940	 * Walk the mode list for connector, clearing the preferred status on existing
  1941	 * modes.
  1942	 */
  1943	void drm_mode_unset_preferred_modes(struct drm_connector *connector)
> 1944	{
  1945		struct drm_display_mode *cur_mode;
  1946	
  1947		list_for_each_entry(cur_mode, &connector->probed_modes, head)
  1948			cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
  1949	}
  1950	EXPORT_SYMBOL_GPL(drm_mode_unset_preferred_modes);
  1951	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki