[PATCH 39/45] drm/i915: Skip pending GTT write flush before unbinding

[Chris Wilson]

References: 5888fc9eac3c ("drm/i915: Flush pending GTT writes before unbinding")
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_gem.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index e03db9b29e69..3e554480dd7b 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -434,18 +434,7 @@ int i915_gem_object_unbind(struct drm_i915_gem_object *obj)
 {
 	struct i915_vma *vma;
 	LIST_HEAD(still_in_list);
-	int ret;
-
-	lockdep_assert_held(&obj->base.dev->struct_mutex);
-
-	/* Closed vma are removed from the obj->vma_list - but they may
-	 * still have an active binding on the object. To remove those we
-	 * must wait for all rendering to complete to the object (as unbinding
-	 * must anyway), and retire the requests.
-	 */
-	ret = i915_gem_object_set_to_cpu_domain(obj, false);
-	if (ret)
-		return ret;
+	int ret = 0;
 
 	spin_lock(&obj->vma.lock);
 	while (!ret && (vma = list_first_entry_or_null(&obj->vma.list,
-- 
2.18.0