diff --git a/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp b/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp
index c9b6144..3bed796 100644
--- a/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp
@@ -253,6 +253,13 @@
 
 AidlComposer::~AidlComposer() = default;
 
+bool AidlComposer::isSupported(OptionalFeature feature) const {
+    switch (feature) {
+        case OptionalFeature::RefreshRateSwitching:
+            return true;
+    }
+}
+
 std::vector<IComposer::Capability> AidlComposer::getCapabilities() {
     std::vector<Capability> capabilities;
     const auto status = mAidlComposer->getCapabilities(&capabilities);
diff --git a/services/surfaceflinger/DisplayHardware/AidlComposerHal.h b/services/surfaceflinger/DisplayHardware/AidlComposerHal.h
index 057ba89..076b898 100644
--- a/services/surfaceflinger/DisplayHardware/AidlComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/AidlComposerHal.h
@@ -56,6 +56,8 @@
     explicit AidlComposer(const std::string& serviceName);
     ~AidlComposer() override;
 
+    bool isSupported(OptionalFeature) const;
+
     std::vector<IComposer::Capability> getCapabilities() override;
     std::string dumpDebugInfo() override;
 
@@ -178,7 +180,6 @@
     Error setDisplayBrightness(Display display, float brightness) override;
 
     // Composer HAL 2.4
-    bool isVsyncPeriodSwitchSupported() override { return true; }
     Error getDisplayCapabilities(Display display,
                                  std::vector<DisplayCapability>* outCapabilities) override;
     V2_4::Error getDisplayConnectionType(Display display,
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.h b/services/surfaceflinger/DisplayHardware/ComposerHal.h
index b4ba8ab..6f2aa78 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.h
@@ -75,6 +75,12 @@
 
     virtual ~Composer() = 0;
 
+    enum class OptionalFeature {
+        RefreshRateSwitching,
+    };
+
+    virtual bool isSupported(OptionalFeature) const = 0;
+
     virtual std::vector<IComposer::Capability> getCapabilities() = 0;
     virtual std::string dumpDebugInfo() = 0;
 
@@ -200,7 +206,6 @@
     virtual Error setDisplayBrightness(Display display, float brightness) = 0;
 
     // Composer HAL 2.4
-    virtual bool isVsyncPeriodSwitchSupported() = 0;
     virtual Error getDisplayCapabilities(Display display,
                                          std::vector<DisplayCapability>* outCapabilities) = 0;
     virtual V2_4::Error getDisplayConnectionType(
diff --git a/services/surfaceflinger/DisplayHardware/HWC2.cpp b/services/surfaceflinger/DisplayHardware/HWC2.cpp
index 82f463e..5dbec05 100644
--- a/services/surfaceflinger/DisplayHardware/HWC2.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWC2.cpp
@@ -144,7 +144,7 @@
 bool Display::isVsyncPeriodSwitchSupported() const {
     ALOGV("[%" PRIu64 "] isVsyncPeriodSwitchSupported()", mId);
 
-    return mComposer.isVsyncPeriodSwitchSupported();
+    return mComposer.isSupported(android::Hwc2::Composer::OptionalFeature::RefreshRateSwitching);
 }
 
 Error Display::getChangedCompositionTypes(std::unordered_map<HWC2::Layer*, Composition>* outTypes) {
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index d851e22..514c879 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -159,8 +159,10 @@
     }
     mRegisteredCallback = true;
 
+    const bool vsyncSwitchingSupported =
+            mComposer->isSupported(Hwc2::Composer::OptionalFeature::RefreshRateSwitching);
     mComposer->registerCallback(
-            sp<ComposerCallbackBridge>::make(callback, mComposer->isVsyncPeriodSwitchSupported()));
+            sp<ComposerCallbackBridge>::make(callback, vsyncSwitchingSupported));
 }
 
 bool HWComposer::getDisplayIdentificationData(hal::HWDisplayId hwcDisplayId, uint8_t* outPort,
diff --git a/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp b/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp
index 18f24c1..5f8e434 100644
--- a/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp
@@ -153,6 +153,13 @@
     }
 }
 
+bool HidlComposer::isSupported(OptionalFeature feature) const {
+    switch (feature) {
+        case OptionalFeature::RefreshRateSwitching:
+            return mClient_2_4 != nullptr;
+    }
+}
+
 std::vector<IComposer::Capability> HidlComposer::getCapabilities() {
     std::vector<IComposer::Capability> capabilities;
     mComposer->getCapabilities(
diff --git a/services/surfaceflinger/DisplayHardware/HidlComposerHal.h b/services/surfaceflinger/DisplayHardware/HidlComposerHal.h
index 5b2219e..d60d12c 100644
--- a/services/surfaceflinger/DisplayHardware/HidlComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/HidlComposerHal.h
@@ -168,6 +168,8 @@
     explicit HidlComposer(const std::string& serviceName);
     ~HidlComposer() override;
 
+    bool isSupported(OptionalFeature) const;
+
     std::vector<IComposer::Capability> getCapabilities() override;
     std::string dumpDebugInfo() override;
 
@@ -290,7 +292,6 @@
     Error setDisplayBrightness(Display display, float brightness) override;
 
     // Composer HAL 2.4
-    bool isVsyncPeriodSwitchSupported() override { return mClient_2_4 != nullptr; }
     Error getDisplayCapabilities(Display display,
                                  std::vector<DisplayCapability>* outCapabilities) override;
     V2_4::Error getDisplayConnectionType(Display display,