Re: [PATCH 1/2] drm: sun4i/dsi: factor out DSI PHY poweron and poweroff

From: kernel test robot <lkp@intel.com>
To: Brandon Cheo Fusi <fusibrandon13@gmail.com>, maxime@cerno.tech
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	airlied@gmail.com, andrzej.hajda@intel.com, daniel@ffwll.ch,
	dave.stevenson@raspberrypi.com, devicetree@vger.kernel.org,
	dri-devel@lists.freedesktop.org, jagan@amarulasolutions.com,
	jernej.skrabec@gmail.com, krzysztof.kozlowski+dt@linaro.org,
	linux-amarula@amarulasolutions.com,
	linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev, maarten.lankhorst@linux.intel.com,
	marex@denx.de, neil.armstrong@linaro.org, rfoss@kernel.org,
	robh+dt@kernel.org, sam@ravnborg.org, samuel@sholland.org,
	tzimmermann@suse.de, wens@csie.org,
	Brandon Cheo Fusi <fusibrandon13@gmail.com>
Subject: Re: [PATCH 1/2] drm: sun4i/dsi: factor out DSI PHY poweron and poweroff
Date: Tue, 11 Apr 2023 00:25:23 +0800	[thread overview]
Message-ID: <202304110053.n5nu03YZ-lkp@intel.com> (raw)
In-Reply-To: <20230410084750.164016-2-fusibrandon13@gmail.com>

Hi Brandon,

kernel test robot noticed the following build errors:

[auto build test ERROR on sunxi/sunxi/for-next]
[also build test ERROR on linus/master v6.3-rc6 next-20230406]
[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/Brandon-Cheo-Fusi/drm-sun4i-dsi-factor-out-DSI-PHY-poweron-and-poweroff/20230410-165257
base:   https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git sunxi/for-next
patch link:    https://lore.kernel.org/r/20230410084750.164016-2-fusibrandon13%40gmail.com
patch subject: [PATCH 1/2] drm: sun4i/dsi: factor out DSI PHY poweron and poweroff
config: arm64-randconfig-r002-20230410 (https://download.01.org/0day-ci/archive/20230411/202304110053.n5nu03YZ-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 2c57868e2e877f73c339796c3374ae660bb77f0d)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/afa9cb6821e4527f07c10a777ea44e380b524858
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Brandon-Cheo-Fusi/drm-sun4i-dsi-factor-out-DSI-PHY-poweron-and-poweroff/20230410-165257
        git checkout afa9cb6821e4527f07c10a777ea44e380b524858
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/drm/sun4i/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304110053.n5nu03YZ-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c:843:13: error: incompatible function pointer types initializing 'void (*)(struct drm_encoder *)' with an expression of type 'void (struct drm_encoder *, struct drm_atomic_state *)' [-Wincompatible-function-pointer-types]
           .enable         = sun6i_dsi_encoder_enable,
                             ^~~~~~~~~~~~~~~~~~~~~~~~
   1 error generated.

vim +843 drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c

133add5b5ad42b Maxime Ripard 2018-04-04  841  
133add5b5ad42b Maxime Ripard 2018-04-04  842  static const struct drm_encoder_helper_funcs sun6i_dsi_enc_helper_funcs = {
133add5b5ad42b Maxime Ripard 2018-04-04 @843  	.enable		= sun6i_dsi_encoder_enable,
133add5b5ad42b Maxime Ripard 2018-04-04  844  };
133add5b5ad42b Maxime Ripard 2018-04-04  845  

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

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