linux-kernel - Re: [PATCH 2/3] drm/mediatek: mtk

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Date:   Sun, 7 Feb 2021 23:09:24 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jitao Shi <jitao.shi@...iatek.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>
Cc:     kbuild-all@...ts.01.org, devicetree@...r.kernel.org,
        Jitao Shi <jitao.shi@...iatek.com>,
        srv_heupstream@...iatek.com, shuijing.li@...iatek.com,
        airlied@...ux.ie, huijuan.xie@...iatek.com, stonea168@....com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] drm/mediatek: mtk_dpi: Add dpi config for mt8192

Hi Jitao,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on linux/master linus/master v5.11-rc6 next-20210125]
[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]

url:    https://github.com/0day-ci/linux/commits/Jitao-Shi/Add-check-for-max-clock-rate-in-mode_valid/20210207-210121
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
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
        # https://github.com/0day-ci/linux/commit/094ecc22dd2d9bfee293b97b33ba267a861ee301
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jitao-Shi/Add-check-for-max-clock-rate-in-mode_valid/20210207-210121
        git checkout 094ecc22dd2d9bfee293b97b33ba267a861ee301
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/mediatek/mtk_dpi.c:574:16: error: initialization of 'enum drm_mode_status (*)(struct drm_bridge *, const struct drm_display_info *, const struct drm_display_mode *)' from incompatible pointer type 'enum drm_mode_status (*)(struct drm_bridge *, const struct drm_display_mode *)' [-Werror=incompatible-pointer-types]
     574 |  .mode_valid = mtk_dpi_bridge_mode_valid,
         |                ^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/mediatek/mtk_dpi.c:574:16: note: (near initialization for 'mtk_dpi_bridge_funcs.mode_valid')
   drivers/gpu/drm/mediatek/mtk_dpi.c:709:3: error: 'const struct mtk_dpi_conf' has no member named 'dual_edge'
     709 |  .dual_edge = true,
         |   ^~~~~~~~~
>> drivers/gpu/drm/mediatek/mtk_dpi.c:710:19: warning: initialized field overwritten [-Woverride-init]
     710 |  .max_clock_khz = 150000,
         |                   ^~~~~~
   drivers/gpu/drm/mediatek/mtk_dpi.c:710:19: note: (near initialization for 'mt8192_conf.max_clock_khz')
   cc1: some warnings being treated as errors


vim +710 drivers/gpu/drm/mediatek/mtk_dpi.c

   705	
   706	static const struct mtk_dpi_conf mt8192_conf = {
   707		.cal_factor = mt8183_calculate_factor,
   708		.reg_h_fre_con = 0xe0,
   709		.dual_edge = true,
 > 710		.max_clock_khz = 150000,
   711	};
   712	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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