linux-kernel - Re: [PATCH v2 2/3] Subject: [PATCH] drm/mediatek/dp: Add HDCP2.x feature for DisplayPort

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Message-ID: <202402131731.OMfzWywy-lkp@intel.com>
Date: Tue, 13 Feb 2024 17:52:12 +0800
From: kernel test robot <lkp@...el.com>
To: "mac.shen" <mac.shen@...iatek.com>, chunkuang.hu@...nel.org,
	p.zabel@...gutronix.de, airlied@...il.com, daniel@...ll.ch,
	matthias.bgg@...il.com, angelogioacchino.delregno@...labora.com,
	jitao.shi@...iatek.com
Cc: oe-kbuild-all@...ts.linux.dev, mac.shen@...iatek.com,
	shuijing.li@...iatek.com, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, linux-mediatek@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 2/3] Subject: [PATCH] drm/mediatek/dp: Add HDCP2.x
 feature for DisplayPort

Hi mac.shen,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on pza/reset/next linus/master v6.8-rc4 next-20240213]
[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/mac-shen/Subject-PATCH-drm-mediatek-dp-Add-tee-client-application-for-HDCP-feature/20240205-163727
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20240205055055.25340-3-mac.shen%40mediatek.com
patch subject: [PATCH v2 2/3] Subject: [PATCH] drm/mediatek/dp: Add HDCP2.x feature for DisplayPort
config: arm-randconfig-001-20240213 (https://download.01.org/0day-ci/archive/20240213/202402131731.OMfzWywy-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240213/202402131731.OMfzWywy-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/202402131731.OMfzWywy-lkp@intel.com/

All errors (new ones prefixed by >>):

   arm-linux-gnueabi-ld: drivers/gpu/drm/mediatek/mtk_dp.o: in function `mtk_dp_get_system_time':
>> mtk_dp.c:(.text+0x41c0): undefined reference to `__aeabi_uldivmod'
>> arm-linux-gnueabi-ld: mtk_dp.c:(.text+0x41ce): undefined reference to `__aeabi_uldivmod'
   arm-linux-gnueabi-ld: drivers/gpu/drm/mediatek/mtk_dp.o: in function `mtk_dp_get_time_diff':
   mtk_dp.c:(.text+0x41ea): undefined reference to `__aeabi_uldivmod'
   arm-linux-gnueabi-ld: mtk_dp.c:(.text+0x41f8): undefined reference to `__aeabi_uldivmod'

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