2 files changed, 11 insertions, 1 deletions
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index e108d1e74d..f63d4283ce 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -1067,6 +1067,11 @@ uint32_t Layer::doTransaction(uint32_t flags) {
         mNeedsFiltering = (!getActiveTransform(c).preserveRects() || type >= ui::Transform::SCALE);
     }
 
+    if (mChildrenChanged) {
+        flags |= eVisibleRegion;
+        mChildrenChanged = false;
+    }
+
     // If the layer is hidden, signal and clear out all local sync points so
     // that transactions for layers depending on this layer's frames becoming
     // visible are not blocked
@@ -1571,13 +1576,16 @@ size_t Layer::getChildrenCount() const {
 }
 
 void Layer::addChild(const sp<Layer>& layer) {
+    mChildrenChanged = true;
+
     mCurrentChildren.add(layer);
     layer->setParent(this);
 }
 
 ssize_t Layer::removeChild(const sp<Layer>& layer) {
-    layer->setParent(nullptr);
+    mChildrenChanged = true;
 
+    layer->setParent(nullptr);
     return mCurrentChildren.remove(layer);
 }
 
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index d30961aab6..5e85ebecee 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -841,6 +841,8 @@ protected:
 
     // Can only be accessed with the SF state lock held.
     bool mLayerDetached{false};
+    // Can only be accessed with the SF state lock held.
+    bool mChildrenChanged{false};
 
 private:
     /**