VM_CLASS_PPGTT   1439 drivers/gpu/drm/i915/i915_gem_gtt.c 	i915_address_space_init(&ppgtt->vm, VM_CLASS_PPGTT);
VM_CLASS_PPGTT     70 drivers/gpu/drm/i915/selftests/mock_gtt.c 	i915_address_space_init(&ppgtt->vm, VM_CLASS_PPGTT);