linux-kernel - ld.lld: error: undefined symbol: drm_connector_attach_content_protection

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Date:   Sat, 22 Oct 2022 23:02:50 +0800
From:   kernel test robot <lkp@...el.com>
To:     Hsin-Yi Wang <hsinyi@...omium.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, 0day robot <lkp@...el.com>
Subject: ld.lld: error: undefined symbol:
 drm_connector_attach_content_protection_property

tree:   https://github.com/intel-lab-lkp/linux/commits/Hsin-Yi-Wang/drm-mediatek-mtk-dpi-register-content-protect-property/20221019-142159
head:   267f2039bfb122bb849f8457f1d085033c6f9456
commit: d68b9d9ffbb08fe0309b034aea8f7417216555f5 drm_bridge: register content protect property
date:   3 days ago
config: x86_64-randconfig-a005
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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/d68b9d9ffbb08fe0309b034aea8f7417216555f5
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Hsin-Yi-Wang/drm-mediatek-mtk-dpi-register-content-protect-property/20221019-142159
        git checkout d68b9d9ffbb08fe0309b034aea8f7417216555f5
        # 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=x86_64 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 >>):

>> ld.lld: error: undefined symbol: drm_connector_attach_content_protection_property
   >>> referenced by drm_bridge_connector.c:402 (drivers/gpu/drm/drm_bridge_connector.c:402)
   >>>               drivers/gpu/drm/drm_bridge_connector.o:(drm_bridge_connector_init) in archive vmlinux.a
   pahole: .tmp_vmlinux.btf: No such file or directory
   ld.lld: error: .btf.vmlinux.bin.o: unknown file type

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

View attachment "config" of type "text/plain" (141192 bytes)