linux-kernel - [kbingham-rcar:kbingham/drm-misc/next/sn65dsi86/hpd 11/15] ERROR: modpost: "drm_atomic_helper_bridge_dsi_input_bus_fmt" [drivers/gpu/drm/bridge/parade-ps8640.ko] undefined!

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Message-ID: <202203111635.N1MPOboS-lkp@intel.com>
Date:   Fri, 11 Mar 2022 16:46:08 +0800
From:   kernel test robot <lkp@...el.com>
To:     Sam Ravnborg <sam@...nborg.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
Subject: [kbingham-rcar:kbingham/drm-misc/next/sn65dsi86/hpd 11/15] ERROR:
 modpost: "drm_atomic_helper_bridge_dsi_input_bus_fmt"
 [drivers/gpu/drm/bridge/parade-ps8640.ko] undefined!

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kbingham/rcar.git kbingham/drm-misc/next/sn65dsi86/hpd
head:   94aa000441bc3f2b262da3580845e490e1c31017
commit: d7e45a09dc884537c84843120b2fa90e76495a82 [11/15] drm/bridge: ps8640: plug atomic_get_input_bus_fmts
config: hexagon-randconfig-r045-20220310 (https://download.01.org/0day-ci/archive/20220311/202203111635.N1MPOboS-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 276ca87382b8f16a65bddac700202924228982f6)
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://git.kernel.org/pub/scm/linux/kernel/git/kbingham/rcar.git/commit/?id=d7e45a09dc884537c84843120b2fa90e76495a82
        git remote add kbingham-rcar https://git.kernel.org/pub/scm/linux/kernel/git/kbingham/rcar.git
        git fetch --no-tags kbingham-rcar kbingham/drm-misc/next/sn65dsi86/hpd
        git checkout d7e45a09dc884537c84843120b2fa90e76495a82
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon 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: "drm_atomic_helper_bridge_dsi_input_bus_fmt" [drivers/gpu/drm/bridge/parade-ps8640.ko] undefined!

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