[PATCH] fence-flush

[Chris Wilson]

---
 drivers/gpu/drm/i915/i915_gem_fence_reg.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_fence_reg.c b/drivers/gpu/drm/i915/i915_gem_fence_reg.c
index 012250f25255..7a8be6208c0b 100644
--- a/drivers/gpu/drm/i915/i915_gem_fence_reg.c
+++ b/drivers/gpu/drm/i915/i915_gem_fence_reg.c
@@ -231,9 +231,12 @@ static int fence_update(struct drm_i915_fence_reg *fence,
 
 	if (fence->vma) {
 		ret = i915_gem_active_retire(&fence->vma->last_fence,
-				      &fence->vma->obj->base.dev->struct_mutex);
+					     &fence->vma->obj->base.dev->struct_mutex);
 		if (ret)
 			return ret;
+
+		i915_vma_flush_writes(fence->vma);
+		i915_gem_flush_ggtt_writes(fence->vma->vm->i915);
 	}
 
 	if (fence->vma && fence->vma != vma) {
-- 
2.15.1