From: kernel test robot <lkp@intel.com>
To: Thomas Zimmermann <tzimmermann@suse.de>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org,
"Noralf Trønnes" <noralf@tronnes.org>
Subject: ld.lld: error: undefined symbol: drm_gem_fb_begin_cpu_access
Date: Tue, 23 Aug 2022 01:59:14 +0800 [thread overview]
Message-ID: <202208230156.Vo2ozAm4-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 1c23f9e627a7b412978b4e852793c5e3c3efc555
commit: 08971eea06db3377ea1f9ff4f95a5df5f6c9aeb7 drm/mipi-dbi: Use framebuffer dma-buf helpers
date: 1 year, 1 month ago
config: x86_64-randconfig-a002-20220822 (https://download.01.org/0day-ci/archive/20220823/202208230156.Vo2ozAm4-lkp@intel.com/config)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=08971eea06db3377ea1f9ff4f95a5df5f6c9aeb7
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 08971eea06db3377ea1f9ff4f95a5df5f6c9aeb7
# 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@intel.com>
All errors (new ones prefixed by >>):
>> ld.lld: error: undefined symbol: drm_gem_fb_begin_cpu_access
>>> referenced by drm_mipi_dbi.c:207 (drivers/gpu/drm/drm_mipi_dbi.c:207)
>>> gpu/drm/drm_mipi_dbi.o:(mipi_dbi_buf_copy) in archive drivers/built-in.a
--
>> ld.lld: error: undefined symbol: drm_gem_fb_end_cpu_access
>>> referenced by drm_mipi_dbi.c:227 (drivers/gpu/drm/drm_mipi_dbi.c:227)
>>> gpu/drm/drm_mipi_dbi.o:(mipi_dbi_buf_copy) in archive drivers/built-in.a
--
0-DAY CI Kernel Test Service
https://01.org/lkp
reply other threads:[~2022-08-22 18:00 UTC|newest]
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