linux-kernel - [drm-misc:drm-misc-next 3/5] ld.lld: error: undefined symbol: drm_dp_calc_pbn

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Message-ID: <202201180447.2T9OteXU-lkp@intel.com>
Date:   Tue, 18 Jan 2022 04:26:51 +0800
From:   kernel test robot <lkp@...el.com>
To:     Thomas Zimmermann <tzimmermann@...e.de>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [drm-misc:drm-misc-next 3/5] ld.lld: error: undefined symbol:
 drm_dp_calc_pbn_mode

tree:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
head:   032a125904995985334766911de9e26ee2bbd646
commit: adb9d5a2cc77e8aefe98fe4c11656c5b7025c248 [3/5] drm/dp: Move DisplayPort helpers into separate helper module
config: hexagon-randconfig-r041-20220116 (https://download.01.org/0day-ci/archive/20220118/202201180447.2T9OteXU-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5f782d25a742302d25ef3c8b84b54f7483c2deb9)
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
        git remote add drm-misc git://anongit.freedesktop.org/drm/drm-misc
        git fetch --no-tags drm-misc drm-misc-next
        git checkout adb9d5a2cc77e8aefe98fe4c11656c5b7025c248
        # 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 >>):

>> ld.lld: error: undefined symbol: drm_dp_calc_pbn_mode
   >>> referenced by test-drm_dp_mst_helper.c
   >>> gpu/drm/selftests/test-drm_dp_mst_helper.o:(igt_dp_mst_calc_pbn_mode) in archive drivers/built-in.a
   >>> referenced by test-drm_dp_mst_helper.c
   >>> gpu/drm/selftests/test-drm_dp_mst_helper.o:(igt_dp_mst_calc_pbn_mode) in archive drivers/built-in.a
   >>> referenced by test-drm_dp_mst_helper.c
   >>> gpu/drm/selftests/test-drm_dp_mst_helper.o:(igt_dp_mst_calc_pbn_mode) in archive drivers/built-in.a
   >>> referenced 7 more times
--
>> ld.lld: error: undefined symbol: drm_dp_encode_sideband_req
   >>> referenced by test-drm_dp_mst_helper.c
   >>> gpu/drm/selftests/test-drm_dp_mst_helper.o:(sideband_msg_req_encode_decode) in archive drivers/built-in.a
   >>> referenced by test-drm_dp_mst_helper.c
   >>> gpu/drm/selftests/test-drm_dp_mst_helper.o:(sideband_msg_req_encode_decode) in archive drivers/built-in.a
--
>> ld.lld: error: undefined symbol: drm_dp_decode_sideband_req
   >>> referenced by test-drm_dp_mst_helper.c
   >>> gpu/drm/selftests/test-drm_dp_mst_helper.o:(sideband_msg_req_encode_decode) in archive drivers/built-in.a
   >>> referenced by test-drm_dp_mst_helper.c
   >>> gpu/drm/selftests/test-drm_dp_mst_helper.o:(sideband_msg_req_encode_decode) in archive drivers/built-in.a
--
>> ld.lld: error: undefined symbol: drm_dp_dump_sideband_msg_req_body
   >>> referenced by test-drm_dp_mst_helper.c
   >>> gpu/drm/selftests/test-drm_dp_mst_helper.o:(sideband_msg_req_encode_decode) in archive drivers/built-in.a
   >>> referenced by test-drm_dp_mst_helper.c
   >>> gpu/drm/selftests/test-drm_dp_mst_helper.o:(sideband_msg_req_encode_decode) in archive drivers/built-in.a
   >>> referenced by test-drm_dp_mst_helper.c
   >>> gpu/drm/selftests/test-drm_dp_mst_helper.o:(sideband_msg_req_encode_decode) in archive drivers/built-in.a
   >>> referenced 1 more times

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