linux-kernel - [mszyprow:v5.18-next-20220511-dsi-rework 14/35] ERROR: modpost: "dsi_driver" [drivers/gpu/drm/exynos/exynosdrm.ko] undefined!

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Date:   Fri, 13 May 2022 06:52:46 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jagan Teki <jagan@...rulasolutions.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: [mszyprow:v5.18-next-20220511-dsi-rework 14/35] ERROR: modpost:
 "dsi_driver" [drivers/gpu/drm/exynos/exynosdrm.ko] undefined!

tree:   https://github.com/mszyprow/linux.git v5.18-next-20220511-dsi-rework
head:   65cb4959430021041f1e68ef98a6ec541d5891aa
commit: 395cab08cbac6e4028dafce068414ea43244a592 [14/35] drm: bridge: Add Samsung DSIM bridge driver
config: arm64-randconfig-r034-20220512 (https://download.01.org/0day-ci/archive/20220513/202205130603.OtcbHnd9-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 18dd123c56754edf62c7042dcf23185c3727610f)
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/mszyprow/linux/commit/395cab08cbac6e4028dafce068414ea43244a592
        git remote add mszyprow https://github.com/mszyprow/linux.git
        git fetch --no-tags mszyprow v5.18-next-20220511-dsi-rework
        git checkout 395cab08cbac6e4028dafce068414ea43244a592
        # 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 SHELL=/bin/bash

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "dsi_driver" [drivers/gpu/drm/exynos/exynosdrm.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp