diff --git a/drm/DrmHwc.cpp b/drm/DrmHwc.cpp
index 6457d79..df3eb56 100644
--- a/drm/DrmHwc.cpp
+++ b/drm/DrmHwc.cpp
@@ -193,4 +193,10 @@
   return writeback_count;
 }
 
+void DrmHwc::DeinitDisplays() {
+  for (auto &pair : Displays()) {
+    pair.second->SetPipeline(nullptr);
+  }
+}
+
 }  // namespace android
\ No newline at end of file