[PATCH 12/12] wmb

Chris Wilson chris at chris-wilson.co.uk
Sun Dec 1 14:00:27 UTC 2019


---
 drivers/gpu/drm/i915/gem/i915_gem_domain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_domain.c b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
index ffe94996a4c1..867f75c4f977 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_domain.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
@@ -24,7 +24,7 @@ static void __i915_gem_object_flush_for_display(struct drm_i915_gem_object *obj)
 	i915_gem_object_flush_write_domain(obj, ~I915_GEM_DOMAIN_CPU);
 	if (obj->cache_dirty)
 		i915_gem_clflush_object(obj, I915_CLFLUSH_FORCE);
-	obj->write_domain = 0;
+	wmb();
 }
 
 void i915_gem_object_flush_if_display(struct drm_i915_gem_object *obj)
-- 
2.24.0



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