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Subjectdrivers/gpu/drm/i915/i915_sw_fence.c:111:20: error: unused function 'debug_fence_free'
Hi Nick,

FYI, the error/warning still remains.

tree: master
head: 8124c8a6b35386f73523d27eacb71b5364a68c4c
commit: 9f4069b055d1508c833115df7493b6e0001e5c9b drm/i915: re-disable -Wframe-address
date: 1 year, 1 month ago
config: x86_64-randconfig-a012-20210531 (attached as .config)
compiler: clang version 13.0.0 ( bc6799f2f79f0ae87e9f1ebf9d25ba799fbd25a9)
reproduce (this is a W=1 build):
wget -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 linus
git fetch --no-tags linus master
git checkout 9f4069b055d1508c833115df7493b6e0001e5c9b
# 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 <>

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/i915_sw_fence.c:111:20: error: unused function 'debug_fence_free' [-Werror,-Wunused-function]
static inline void debug_fence_free(struct i915_sw_fence *fence)
1 error generated.

vim +/debug_fence_free +111 drivers/gpu/drm/i915/i915_sw_fence.c

fc1584059d6c438 Chris Wilson 2016-11-25 110
fc1584059d6c438 Chris Wilson 2016-11-25 @111 static inline void debug_fence_free(struct i915_sw_fence *fence)
fc1584059d6c438 Chris Wilson 2016-11-25 112 {
fc1584059d6c438 Chris Wilson 2016-11-25 113 }
fc1584059d6c438 Chris Wilson 2016-11-25 114

:::::: The code at line 111 was first introduced by commit
:::::: fc1584059d6c438b1febafa1c207ae1d3c6643e8 drm/i915: Integrate i915_sw_fence with debugobjects

:::::: TO: Chris Wilson <>
:::::: CC: Chris Wilson <>

0-DAY CI Kernel Test Service, Intel Corporation
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