Hi Niranjana,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-tip/drm-tip]
[cannot apply to drm-intel/for-linux-next drm/drm-next drm-exynos/exynos-drm-next drm-misc/drm-misc-next linus/master v6.0-rc7 next-20220927]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Niranjana-Vishwanathapura/drm-i915-vm_bind-Add-VM_BIND-functionality/20220928-142242
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: x86_64-randconfig-a013-20220926
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://github.com/intel-lab-lkp/linux/commit/087e1b7e812c6983f49cdc0102baa8fcc67c48b3
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Niranjana-Vishwanathapura/drm-i915-vm_bind-Add-VM_BIND-functionality/20220928-142242
        git checkout 087e1b7e812c6983f49cdc0102baa8fcc67c48b3
        # 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 drivers/gpu/drm/i915/

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 >>):

>> drivers/gpu/drm/i915/gem/i915_gem_vm_bind_object.c:18:1: error: unused function 'i915_vm_bind_it_iter_next' [-Werror,-Wunused-function]
   INTERVAL_TREE_DEFINE(struct i915_vma, rb, u64, __subtree_last,
   ^
   include/linux/interval_tree_generic.h:151:33: note: expanded from macro 'INTERVAL_TREE_DEFINE'
   ITSTATIC ITSTRUCT *                                                           \
                                                                                 ^
   <scratch space>:13:1: note: expanded from here
   i915_vm_bind_it_iter_next
   ^
   1 error generated.


vim +/i915_vm_bind_it_iter_next +18 drivers/gpu/drm/i915/gem/i915_gem_vm_bind_object.c

    17	
  > 18	INTERVAL_TREE_DEFINE(struct i915_vma, rb, u64, __subtree_last,
    19			     START, LAST, static inline, i915_vm_bind_it)
    20	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp