diff --git a/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp b/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp
index 317f2b0..2581b57 100644
--- a/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp
@@ -78,6 +78,7 @@
 
 using AidlColorTransform = aidl::android::hardware::graphics::common::ColorTransform;
 using AidlDataspace = aidl::android::hardware::graphics::common::Dataspace;
+using AidlDisplayHotplugEvent = aidl::android::hardware::graphics::common::DisplayHotplugEvent;
 using AidlFRect = aidl::android::hardware::graphics::common::FRect;
 using AidlRect = aidl::android::hardware::graphics::common::Rect;
 using AidlTransform = aidl::android::hardware::graphics::common::Transform;
@@ -174,9 +175,9 @@
     AidlIComposerCallbackWrapper(HWC2::ComposerCallback& callback) : mCallback(callback) {}
 
     ::ndk::ScopedAStatus onHotplug(int64_t in_display, bool in_connected) override {
-        const auto connection = in_connected ? V2_4::IComposerCallback::Connection::CONNECTED
-                                             : V2_4::IComposerCallback::Connection::DISCONNECTED;
-        mCallback.onComposerHalHotplug(translate<Display>(in_display), connection);
+        const auto event = in_connected ? AidlDisplayHotplugEvent::CONNECTED
+                                        : AidlDisplayHotplugEvent::DISCONNECTED;
+        mCallback.onComposerHalHotplugEvent(translate<Display>(in_display), event);
         return ::ndk::ScopedAStatus::ok();
     }
 
@@ -216,6 +217,12 @@
         return ::ndk::ScopedAStatus::ok();
     }
 
+    ::ndk::ScopedAStatus onHotplugEvent(int64_t in_display,
+                                        AidlDisplayHotplugEvent event) override {
+        mCallback.onComposerHalHotplugEvent(translate<Display>(in_display), event);
+        return ::ndk::ScopedAStatus::ok();
+    }
+
 private:
     HWC2::ComposerCallback& mCallback;
 };
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.h b/services/surfaceflinger/DisplayHardware/HWC2.h
index e7f807f..29fe380 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.h
+++ b/services/surfaceflinger/DisplayHardware/HWC2.h
@@ -38,6 +38,7 @@
 #include "Hal.h"
 
 #include <aidl/android/hardware/graphics/common/DisplayDecorationSupport.h>
+#include <aidl/android/hardware/graphics/common/DisplayHotplugEvent.h>
 #include <aidl/android/hardware/graphics/composer3/Capability.h>
 #include <aidl/android/hardware/graphics/composer3/ClientTargetPropertyWithBrightness.h>
 #include <aidl/android/hardware/graphics/composer3/Color.h>
@@ -64,15 +65,16 @@
 
 namespace hal = android::hardware::graphics::composer::hal;
 
+using aidl::android::hardware::graphics::common::DisplayHotplugEvent;
 using aidl::android::hardware::graphics::composer3::RefreshRateChangedDebugData;
 
 // Implement this interface to receive hardware composer events.
 //
 // These callback functions will generally be called on a hwbinder thread, but
-// when first registering the callback the onComposerHalHotplug() function will
-// immediately be called on the thread calling registerCallback().
+// when first registering the callback the onComposerHalHotplugEvent() function
+// will immediately be called on the thread calling registerCallback().
 struct ComposerCallback {
-    virtual void onComposerHalHotplug(hal::HWDisplayId, hal::Connection) = 0;
+    virtual void onComposerHalHotplugEvent(hal::HWDisplayId, DisplayHotplugEvent) = 0;
     virtual void onComposerHalRefresh(hal::HWDisplayId) = 0;
     virtual void onComposerHalVsync(hal::HWDisplayId, nsecs_t timestamp,
                                     std::optional<hal::VsyncPeriodNanos>) = 0;
diff --git a/services/surfaceflinger/DisplayHardware/Hal.h b/services/surfaceflinger/DisplayHardware/Hal.h
index 20f7548..31c2833 100644
--- a/services/surfaceflinger/DisplayHardware/Hal.h
+++ b/services/surfaceflinger/DisplayHardware/Hal.h
@@ -20,6 +20,7 @@
 #include <android/hardware/graphics/composer/2.4/IComposer.h>
 #include <android/hardware/graphics/composer/2.4/IComposerClient.h>
 
+#include <aidl/android/hardware/graphics/common/DisplayHotplugEvent.h>
 #include <aidl/android/hardware/graphics/common/Hdr.h>
 #include <aidl/android/hardware/graphics/composer3/Composition.h>
 #include <aidl/android/hardware/graphics/composer3/DisplayCapability.h>
@@ -58,6 +59,7 @@
 using ContentType = IComposerClient::ContentType;
 using Capability = IComposer::Capability;
 using ClientTargetProperty = IComposerClient::ClientTargetProperty;
+using DisplayHotplugEvent = aidl::android::hardware::graphics::common::DisplayHotplugEvent;
 using DisplayRequest = IComposerClient::DisplayRequest;
 using DisplayType = IComposerClient::DisplayType;
 using HWConfigId = V2_1::Config;
diff --git a/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp b/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp
index 1e7c6da..ed52b95 100644
--- a/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp
@@ -25,6 +25,7 @@
 #include "HidlComposerHal.h"
 
 #include <SurfaceFlingerProperties.h>
+#include <aidl/android/hardware/graphics/common/DisplayHotplugEvent.h>
 #include <android/binder_manager.h>
 #include <composer-command-buffer/2.2/ComposerCommandBuffer.h>
 #include <hidl/HidlTransportSupport.h>
@@ -38,6 +39,7 @@
 #include <algorithm>
 #include <cinttypes>
 
+using aidl::android::hardware::graphics::common::DisplayHotplugEvent;
 using aidl::android::hardware::graphics::common::HdrConversionCapability;
 using aidl::android::hardware::graphics::common::HdrConversionStrategy;
 using aidl::android::hardware::graphics::composer3::Capability;
@@ -64,8 +66,13 @@
     ComposerCallbackBridge(ComposerCallback& callback, bool vsyncSwitchingSupported)
           : mCallback(callback), mVsyncSwitchingSupported(vsyncSwitchingSupported) {}
 
+    // For code sharing purposes, `ComposerCallback` (implemented by SurfaceFlinger)
+    // replaced `onComposerHalHotplug` with `onComposerHalHotplugEvent` by converting
+    // from HIDL's connection into an AIDL DisplayHotplugEvent.
     Return<void> onHotplug(Display display, Connection connection) override {
-        mCallback.onComposerHalHotplug(display, connection);
+        const auto event = connection == Connection::CONNECTED ? DisplayHotplugEvent::CONNECTED
+                                                               : DisplayHotplugEvent::DISCONNECTED;
+        mCallback.onComposerHalHotplugEvent(display, event);
         return Void();
     }