drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c:159:37: warning: unused variable 'amdgpu_securedisplay_debugfs_ops'

From: kernel test robot
Date: Fri Apr 09 2021 - 10:59:54 EST


Hi Jinzhou,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 17e7124aad766b3f158943acb51467f86220afe9
commit: ecaafb7b5ab6406587341d8727f237b3ee00dedf drm/amdgpu: Add secure display TA interface
date: 3 months ago
config: arm64-randconfig-r035-20210409 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project dd453a1389b6a7e6d9214b449d3c54981b1a89b6)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ecaafb7b5ab6406587341d8727f237b3ee00dedf
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout ecaafb7b5ab6406587341d8727f237b3ee00dedf
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c:159:37: warning: unused variable 'amdgpu_securedisplay_debugfs_ops' [-Wunused-const-variable]
static const struct file_operations amdgpu_securedisplay_debugfs_ops = {
^
1 warning generated.


vim +/amdgpu_securedisplay_debugfs_ops +159 drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c

158
> 159 static const struct file_operations amdgpu_securedisplay_debugfs_ops = {
160 .owner = THIS_MODULE,
161 .read = NULL,
162 .write = amdgpu_securedisplay_debugfs_write,
163 .llseek = default_llseek
164 };
165

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

Attachment: .config.gz
Description: application/gzip