Re: [PATCH v3 08/14] drm/bridge: analogix_dp: Apply drm_bridge_connector helper

From: kernel test robot <lkp@intel.com>
To: Damon Ding <damon.ding@rock-chips.com>,
	andrzej.hajda@intel.com, neil.armstrong@linaro.org,
	rfoss@kernel.org
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se,
	jernej.skrabec@gmail.com, maarten.lankhorst@linux.intel.com,
	mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com,
	simona@ffwll.ch, jingoohan1@gmail.com, inki.dae@samsung.com,
	sw0312.kim@samsung.com, kyungmin.park@samsung.com,
	krzk@kernel.org, alim.akhtar@samsung.com, hjc@rock-chips.com,
	heiko@sntech.de, andy.yan@rock-chips.com,
	dmitry.baryshkov@oss.qualcomm.com, l.stach@pengutronix.de,
	dianders@chromium.org, dri-devel@lists.freedesktop.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org,
	linux-rockchip@lists.infradead.org,
	Damon Ding <damon.ding@rock-chips.com>
Subject: Re: [PATCH v3 08/14] drm/bridge: analogix_dp: Apply drm_bridge_connector helper
Date: Fri, 25 Jul 2025 10:26:54 +0800	[thread overview]
Message-ID: <202507251021.A6WmQ4di-lkp@intel.com> (raw)
In-Reply-To: <20250724080304.3572457-9-damon.ding@rock-chips.com>

Hi Damon,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on next-20250724]
[cannot apply to drm-exynos/exynos-drm-next rockchip/for-next linus/master v6.16-rc7]
[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/Damon-Ding/drm-bridge-analogix_dp-Formalize-the-struct-analogix_dp_device/20250724-160804
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20250724080304.3572457-9-damon.ding%40rock-chips.com
patch subject: [PATCH v3 08/14] drm/bridge: analogix_dp: Apply drm_bridge_connector helper
config: x86_64-buildonly-randconfig-003-20250725 (https://download.01.org/0day-ci/archive/20250725/202507251021.A6WmQ4di-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250725/202507251021.A6WmQ4di-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507251021.A6WmQ4di-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/bridge/analogix/analogix_dp_core.c:1346:12: error: incompatible function pointer types initializing 'enum drm_connector_status (*)(struct drm_bridge *, struct drm_connector *)' with an expression of type 'enum drm_connector_status (struct drm_bridge *)' [-Wincompatible-function-pointer-types]
    1346 |         .detect = analogix_dp_bridge_detect,
         |                   ^~~~~~~~~~~~~~~~~~~~~~~~~
   1 error generated.

vim +1346 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c

  1333	
  1334	static const struct drm_bridge_funcs analogix_dp_bridge_funcs = {
  1335		.atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
  1336		.atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
  1337		.atomic_reset = drm_atomic_helper_bridge_reset,
  1338		.atomic_pre_enable = analogix_dp_bridge_atomic_pre_enable,
  1339		.atomic_enable = analogix_dp_bridge_atomic_enable,
  1340		.atomic_disable = analogix_dp_bridge_atomic_disable,
  1341		.atomic_post_disable = analogix_dp_bridge_atomic_post_disable,
  1342		.atomic_check = analogix_dp_bridge_atomic_check,
  1343		.attach = analogix_dp_bridge_attach,
  1344		.get_modes = analogix_dp_bridge_get_modes,
  1345		.edid_read = analogix_dp_bridge_edid_read,
> 1346		.detect = analogix_dp_bridge_detect,
  1347	};
  1348	

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

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