linux-kernel - Re: [PATCH v1 1/1] drm/mediatek: dp: Add sdp path reset

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Message-ID: <202409240700.ARp9pDUk-lkp@intel.com>
Date: Tue, 24 Sep 2024 07:44:06 +0800
From: kernel test robot <lkp@...el.com>
To: Liankun Yang <liankun.yang@...iatek.com>, chunkuang.hu@...nel.org,
	p.zabel@...gutronix.de, airlied@...il.com, simona@...ll.ch,
	matthias.bgg@...il.com, angelogioacchino.delregno@...labora.com,
	jitao.shi@...iatek.com, mac.shen@...iatek.com,
	peng.liu@...iatek.com
Cc: oe-kbuild-all@...ts.linux.dev,
	Project_Global_Chrome_Upstream_Group@...iatek.com,
	dri-devel@...ts.freedesktop.org, linux-mediatek@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v1 1/1] drm/mediatek: dp: Add sdp path reset

Hi Liankun,

kernel test robot noticed the following build errors:

[auto build test ERROR on pza/reset/next]
[also build test ERROR on linus/master v6.11 next-20240923]
[cannot apply to pza/imx-drm/next]
[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/Liankun-Yang/drm-mediatek-dp-Add-sdp-path-reset/20240923-213747
base:   https://git.pengutronix.de/git/pza/linux reset/next
patch link:    https://lore.kernel.org/r/20240923133610.23728-1-liankun.yang%40mediatek.com
patch subject: [PATCH v1 1/1] drm/mediatek: dp: Add sdp path reset
config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20240924/202409240700.ARp9pDUk-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240924/202409240700.ARp9pDUk-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/202409240700.ARp9pDUk-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/gpu/drm/mediatek/mtk_dp.c: In function 'mtk_dp_sdp_path_reset':
>> drivers/gpu/drm/mediatek/mtk_dp.c:1058:33: error: 'SDP_RESET_SW_DP_ENC0_P0' undeclared (first use in this function); did you mean 'SDP_PACKET_W_DP_ENC1_P0'?
    1058 |                                 SDP_RESET_SW_DP_ENC0_P0,
         |                                 ^~~~~~~~~~~~~~~~~~~~~~~
         |                                 SDP_PACKET_W_DP_ENC1_P0
   drivers/gpu/drm/mediatek/mtk_dp.c:1058:33: note: each undeclared identifier is reported only once for each function it appears in


vim +1058 drivers/gpu/drm/mediatek/mtk_dp.c

  1054	
  1055	static void mtk_dp_sdp_path_reset(struct mtk_dp *mtk_dp)
  1056	{
  1057		mtk_dp_update_bits(mtk_dp, MTK_DP_ENC0_P0_3004,
> 1058					SDP_RESET_SW_DP_ENC0_P0,
  1059					SDP_RESET_SW_DP_ENC0_P0);
  1060	
  1061		/* Wait for sdp path reset to complete */
  1062		usleep_range(1000, 5000);
  1063		mtk_dp_update_bits(mtk_dp, MTK_DP_ENC0_P0_3004,
  1064					0, SDP_RESET_SW_DP_ENC0_P0);
  1065	}
  1066	

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