linux-kernel - Re: [PATCH v7 3/9] drm/display: Add Type-C switch helpers

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Date:   Fri, 6 Jan 2023 09:23:43 +0800
From:   kernel test robot <lkp@...el.com>
To:     Pin-yen Lin <treapking@...omium.org>,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <robert.foss@...aro.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Daniel Scally <djrscally@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Prashant Malani <pmalani@...omium.org>,
        Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>
Cc:     oe-kbuild-all@...ts.linux.dev, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, Marek Vasut <marex@...x.de>,
        chrome-platform@...ts.linux.dev,
        Javier Martinez Canillas <javierm@...hat.com>,
        linux-acpi@...r.kernel.org, devicetree@...r.kernel.org,
        Kees Cook <keescook@...omium.org>,
        Nícolas F . R . A . Prado 
        <nfraprado@...labora.com>, Jani Nikula <jani.nikula@...el.com>,
        Allen Chen <allen.chen@....com.tw>
Subject: Re: [PATCH v7 3/9] drm/display: Add Type-C switch helpers

Hi Pin-yen,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on driver-core/driver-core-testing driver-core/driver-core-next driver-core/driver-core-linus chrome-platform/for-next drm/drm-next linus/master v6.2-rc2 next-20230105]
[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/Pin-yen-Lin/device-property-Add-remote-endpoint-to-devcon-matcher/20230105-212902
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20230105132457.4125372-4-treapking%40chromium.org
patch subject: [PATCH v7 3/9] drm/display: Add Type-C switch helpers
config: arm-defconfig
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/c037bdca262df88564fff58cb5233d50180c7215
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Pin-yen-Lin/device-property-Add-remote-endpoint-to-devcon-matcher/20230105-212902
        git checkout c037bdca262df88564fff58cb5233d50180c7215
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   arm-linux-gnueabi-ld: drivers/gpu/drm/display/drm_dp_helper.o: in function `drm_dp_unregister_typec_switches':
>> drm_dp_helper.c:(.text+0x1298): undefined reference to `typec_mux_unregister'
   arm-linux-gnueabi-ld: drivers/gpu/drm/display/drm_dp_helper.o: in function `drm_dp_register_typec_switches':
>> drm_dp_helper.c:(.text+0x160c): undefined reference to `typec_mux_register'
>> arm-linux-gnueabi-ld: drm_dp_helper.c:(.text+0x16e8): undefined reference to `typec_mux_unregister'

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

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