tree:   git://people.freedesktop.org/~mlankhorst/linux locking-rework
head:   500c1dc1795a3abb508252aef3fbbef0053f84d4
commit: 0be88c62774a10ec2522a9121affa316b9cb4b4b [26/27] drm/i915: Ensure we hold the pin mutex
config: x86_64-defconfig (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 487ca07fcc75d52755c9fe2ee05bcb3b6eeeec44)
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 checkout 0be88c62774a10ec2522a9121affa316b9cb4b4b
        # 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 >>):


vim +/lockdep_is_held +1011 drivers/gpu/drm/i915/i915_vma.c

  1002	
  1003	int i915_ggtt_pin(struct i915_vma *vma, struct i915_gem_ww_ctx *ww,
  1004			  u32 align, unsigned int flags)
  1005	{
  1006		struct i915_address_space *vm = vma->vm;
  1007		int err;
  1008	
  1009		GEM_BUG_ON(!i915_vma_is_ggtt(vma));
  1010	
> 1011		WARN_ON(!ww && vma->resv && dma_resv_held(vma->resv));
  1012	
  1013		do {
  1014			if (ww)
  1015				err = i915_vma_pin_ww(vma, ww, 0, align, flags | PIN_GLOBAL);
  1016			else
  1017				err = i915_vma_pin(vma, 0, align, flags | PIN_GLOBAL);
  1018			if (err != -ENOSPC) {
  1019				if (!err) {
  1020					err = i915_vma_wait_for_bind(vma);
  1021					if (err)
  1022						i915_vma_unpin(vma);
  1023				}
  1024				return err;
  1025			}
  1026	
  1027			/* Unlike i915_vma_pin, we don't take no for an answer! */
  1028			flush_idle_contexts(vm->gt);
  1029			if (mutex_lock_interruptible(&vm->mutex) == 0) {
  1030				i915_gem_evict_vm(vm);
  1031				mutex_unlock(&vm->mutex);
  1032			}
  1033		} while (1);
  1034	}
  1035	

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