drm/xe: Use DRM_GPUVM_RESV_PROTECTED for gpuvm

Use DRM_GPUVM_RESV_PROTECTED to use corse-grained locking for the
evict and external object list.
Since we are already holding the relevant RESV locks, for now at least,
we don't need the fine-grained locking.
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231212100144.6833-3-thomas.hellstrom@linux.intel.comSigned-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/xe/xe_vm.c

@@ -1282,8 +1282,8 @@ struct xe_vm *xe_vm_create(struct xe_device *xe, u32 flags)
 		goto err_no_resv;
 	}
 
-	drm_gpuvm_init(&vm->gpuvm, "Xe VM", 0, &xe->drm, vm_resv_obj,
-		       0, vm->size, 0, 0, &gpuvm_ops);
+	drm_gpuvm_init(&vm->gpuvm, "Xe VM", DRM_GPUVM_RESV_PROTECTED, &xe->drm,
+		       vm_resv_obj, 0, vm->size, 0, 0, &gpuvm_ops);
 
 	drm_gem_object_put(vm_resv_obj);