diff --git a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp
index fd1fd47..b4a146e 100644
--- a/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp
+++ b/services/surfaceflinger/tests/unittests/SurfaceFlinger_DisplayModeSwitching.cpp
@@ -119,7 +119,7 @@
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
     ASSERT_EQ(mDisplay->getActiveMode().modePtr->getId(), kModeId60);
 
-    mFlinger.onActiveDisplayChanged(*mDisplay);
+    mFlinger.onActiveDisplayChanged(nullptr, *mDisplay);
 
     mFlinger.setDesiredDisplayModeSpecs(mDisplay->getDisplayToken().promote(),
                                         mock::createDisplayModeSpecs(kModeId90.value(), false, 0,
@@ -159,7 +159,7 @@
 
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
 
-    mFlinger.onActiveDisplayChanged(*mDisplay);
+    mFlinger.onActiveDisplayChanged(nullptr, *mDisplay);
 
     mFlinger.setDesiredDisplayModeSpecs(mDisplay->getDisplayToken().promote(),
                                         mock::createDisplayModeSpecs(kModeId90.value(), true, 0,
@@ -195,7 +195,7 @@
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
     ASSERT_EQ(mDisplay->getActiveMode().modePtr->getId(), kModeId60);
 
-    mFlinger.onActiveDisplayChanged(*mDisplay);
+    mFlinger.onActiveDisplayChanged(nullptr, *mDisplay);
 
     mFlinger.setDesiredDisplayModeSpecs(mDisplay->getDisplayToken().promote(),
                                         mock::createDisplayModeSpecs(kModeId90.value(), false, 0,
@@ -238,7 +238,7 @@
     ASSERT_FALSE(mDisplay->getDesiredActiveMode().has_value());
     ASSERT_EQ(mDisplay->getActiveMode().modePtr->getId(), kModeId60);
 
-    mFlinger.onActiveDisplayChanged(*mDisplay);
+    mFlinger.onActiveDisplayChanged(nullptr, *mDisplay);
 
     mFlinger.setDesiredDisplayModeSpecs(mDisplay->getDisplayToken().promote(),
                                         mock::createDisplayModeSpecs(kModeId90_4K.value(), false, 0,
@@ -315,7 +315,11 @@
     EXPECT_EQ(innerDisplay->getActiveMode().modePtr->getId(), kModeId60);
     EXPECT_EQ(outerDisplay->getActiveMode().modePtr->getId(), kModeId120);
 
-    mFlinger.onActiveDisplayChanged(*innerDisplay);
+    mFlinger.onActiveDisplayChanged(nullptr, *innerDisplay);
+
+    // No transition on either display.
+    EXPECT_FALSE(innerDisplay->getDesiredActiveMode());
+    EXPECT_FALSE(outerDisplay->getDesiredActiveMode());
 
     EXPECT_EQ(NO_ERROR,
               mFlinger.setDesiredDisplayModeSpecs(innerDisplay->getDisplayToken().promote(),
@@ -359,7 +363,7 @@
     EXPECT_FALSE(outerDisplay->getDesiredActiveMode());
     EXPECT_EQ(outerDisplay->getActiveMode().modePtr->getId(), kModeId120);
 
-    mFlinger.onActiveDisplayChanged(*outerDisplay);
+    mFlinger.onActiveDisplayChanged(innerDisplay.get(), *outerDisplay);
 
     // No transition on the inner display.
     EXPECT_FALSE(innerDisplay->getDesiredActiveMode());
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 6334ec8..63b624d 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -505,10 +505,11 @@
         return mFlinger->setDesiredDisplayModeSpecs(displayToken, specs);
     }
 
-    void onActiveDisplayChanged(const DisplayDevice& activeDisplay) {
+    void onActiveDisplayChanged(const DisplayDevice* inactiveDisplayPtr,
+                                const DisplayDevice& activeDisplay) {
         Mutex::Autolock lock(mFlinger->mStateLock);
         ftl::FakeGuard guard(kMainThreadContext);
-        mFlinger->onActiveDisplayChangedLocked(nullptr, activeDisplay);
+        mFlinger->onActiveDisplayChangedLocked(inactiveDisplayPtr, activeDisplay);
     }
 
     auto createLayer(LayerCreationArgs& args, const sp<IBinder>& parentHandle,