[ti:ti-rt-linux-5.4.y 1/1] drivers/gpu/drm/i915/gt/intel_engine_pm.c:43:30: error: unused variable 'timeline_lock'

[ti:ti-rt-linux-5.4.y 1/1] drivers/gpu/drm/i915/gt/intel_engine_pm.c:43:30: error: unused variable 'timeline_lock'

[kernel test robot]

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tree:   git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-rt-linux-5.4.y
head:   1c4ef1e41fb51274466edfe7c3ad292490194e1b
commit: 1c4ef1e41fb51274466edfe7c3ad292490194e1b [1/1] Merged TI feature ti_linux_base_rt into ti-rt-linux-5.4.y
config: x86_64-randconfig-a014-20210323 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 78a65cd945d006ff02f9d24d9cc20a302ed93b08)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        git remote add ti git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git
        git fetch --no-tags ti ti-rt-linux-5.4.y
        git checkout 1c4ef1e41fb51274466edfe7c3ad292490194e1b
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/gt/intel_engine_pm.c:43:30: error: unused variable 'timeline_lock' [-Werror,-Wunused-const-variable]
   static DEFINE_LOCAL_IRQ_LOCK(timeline_lock);
                                ^
   1 error generated.


vim +/timeline_lock +43 drivers/gpu/drm/i915/gt/intel_engine_pm.c

2e15957cba4c06 Mike Galbraith 2020-02-07  42  
2e15957cba4c06 Mike Galbraith 2020-02-07 @43  static DEFINE_LOCAL_IRQ_LOCK(timeline_lock);
d67739268cf0ee Chris Wilson   2019-08-19  44  

:::::: The code at line 43 was first introduced by commit
:::::: 2e15957cba4c069e9fe039111fb70565e95eab3b drm/i915/gt: use a LOCAL_IRQ_LOCK in __timeline_mark_lock()

:::::: TO: Mike Galbraith <efault@gmx.de>
:::::: CC: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

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

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