Index: files/patch-src_intel_vulkan_anv__gem.c
===================================================================
--- files/patch-src_intel_vulkan_anv__gem.c	(revision 527733)
+++ files/patch-src_intel_vulkan_anv__gem.c	(working copy)
@@ -1,6 +1,6 @@
 - Define ETIME if missing
 
---- src/intel/vulkan/anv_gem.c.orig	2017-10-23 13:21:18 UTC
+--- src/intel/vulkan/anv_gem.c.orig	2019-01-17 11:26:23 UTC
 +++ src/intel/vulkan/anv_gem.c
 @@ -26,6 +26,9 @@
  #include <sys/mman.h>
@@ -12,3 +12,12 @@
  #include <unistd.h>
  #include <fcntl.h>
  
+@@ -113,7 +116,7 @@ anv_gem_userptr(struct anv_device *device, void *mem, 
+    struct drm_i915_gem_userptr userptr = {
+       .user_ptr = (__u64)((unsigned long) mem),
+       .user_size = size,
+-      .flags = 0,
++      .flags = I915_USERPTR_UNSYNCHRONIZED,
+    };
+ 
+    int ret = anv_ioctl(device->fd, DRM_IOCTL_I915_GEM_USERPTR, &userptr);