[Intel-gfx] [PATCH v6 1/6] drm/i915: Add support for moving fence waiting

[kernel test robot]

Hi "Thomas,

I love your patch! Yet something to improve:

[auto build test ERROR on drm-tip/drm-tip]
[also build test ERROR on drm-exynos/exynos-drm-next drm/drm-next v5.16-rc2 next-20211118]
[cannot apply to drm-intel/for-linux-next tegra-drm/drm/tegra/for-next airlied/drm-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Thomas-Hellstr-m/drm-i915-ttm-Async-migration/20211122-162430
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: x86_64-randconfig-a003-20211122 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c133fb321f7ca6083ce15b6aa5bf89de6600e649)
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/0day-ci/linux/commit/387d80b6342f138213ce6e79e84459597b4a0394
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Thomas-Hellstr-m/drm-i915-ttm-Async-migration/20211122-162430
        git checkout 387d80b6342f138213ce6e79e84459597b4a0394
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 

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

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/i915_vma.c:356:12: error: function 'i915_vma_verify_bind_complete' is not needed and will not be emitted [-Werror,-Wunneeded-internal-declaration]
   static int i915_vma_verify_bind_complete(struct i915_vma *vma)
              ^
   1 error generated.


vim +/i915_vma_verify_bind_complete +356 drivers/gpu/drm/i915/i915_vma.c

   355	
 > 356	static int i915_vma_verify_bind_complete(struct i915_vma *vma)
   357	{
   358		int err = 0;
   359	
   360		if (i915_active_has_exclusive(&vma->active)) {
   361			struct dma_fence *fence =
   362				i915_active_fence_get(&vma->active.excl);
   363	
   364			if (!fence)
   365				return 0;
   366	
   367			if (dma_fence_is_signaled(fence))
   368				err = fence->error;
   369			else
   370				err = -EBUSY;
   371	
   372			dma_fence_put(fence);
   373		}
   374	
   375		return err;
   376	}
   377	

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