[PATCH 3/3] flush

[Chris Wilson]

---
 drivers/gpu/drm/i915/gem/i915_gem_object.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index f1b87a839926..a26a1ecb5d78 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -308,7 +308,8 @@ i915_gem_object_flush_write_domain(struct drm_i915_gem_object *obj,
 		break;
 
 	case I915_GEM_DOMAIN_WC:
-		wmb();
+		intel_gt_chipset_flush(&to_i915(obj->base.dev)->gt);
+		intel_frontbuffer_flush(obj->frontbuffer, ORIGIN_CPU);
 		break;
 
 	case I915_GEM_DOMAIN_CPU:
-- 
2.24.0