Merge "Don't attempt to tone map content that is already in range." into sc-dev
diff --git a/cmds/installd/InstalldNativeService.cpp b/cmds/installd/InstalldNativeService.cpp
index 59311a0..74be7ce 100644
--- a/cmds/installd/InstalldNativeService.cpp
+++ b/cmds/installd/InstalldNativeService.cpp
@@ -342,8 +342,7 @@
 
     // If the initial top-level restorecon above changed the label, then go
     // back and restorecon everything recursively
-    // TODO(b/190567190, b/188141923) Remove recursive fixup of com.google.android.gsf.
-    if (strcmp(before, after) || (path.find("com.google.android.gsf") != std::string::npos)) {
+    if (strcmp(before, after)) {
         if (existing) {
             LOG(DEBUG) << "Detected label change from " << before << " to " << after << " at "
                     << path << "; running recursive restorecon";
diff --git a/include/input/Input.h b/include/input/Input.h
index e8678d2..f3369e8 100644
--- a/include/input/Input.h
+++ b/include/input/Input.h
@@ -43,6 +43,13 @@
  * Additional private constants not defined in ndk/ui/input.h.
  */
 enum {
+#ifdef __linux__
+    /* This event was generated or modified by accessibility service. */
+    AKEY_EVENT_FLAG_IS_ACCESSIBILITY_EVENT =
+            android::os::IInputConstants::INPUT_EVENT_FLAG_IS_ACCESSIBILITY_EVENT, // 0x800,
+#else
+    AKEY_EVENT_FLAG_IS_ACCESSIBILITY_EVENT = 0x800;
+#endif
     /* Signifies that the key is being predispatched */
     AKEY_EVENT_FLAG_PREDISPATCH = 0x20000000,
 
@@ -81,6 +88,16 @@
      */
     AMOTION_EVENT_FLAG_NO_FOCUS_CHANGE = 0x40,
 
+#ifdef __linux__
+    /**
+     * This event was generated or modified by accessibility service.
+     */
+    AMOTION_EVENT_FLAG_IS_ACCESSIBILITY_EVENT =
+            android::os::IInputConstants::INPUT_EVENT_FLAG_IS_ACCESSIBILITY_EVENT, // 0x800,
+#else
+    AMOTION_EVENT_FLAG_IS_ACCESSIBILITY_EVENT = 0x800;
+#endif
+
     /* Motion event is inconsistent with previously sent motion events. */
     AMOTION_EVENT_FLAG_TAINTED = 0x80000000,
 };
@@ -89,14 +106,15 @@
  * Allowed VerifiedKeyEvent flags. All other flags from KeyEvent do not get verified.
  * These values must be kept in sync with VerifiedKeyEvent.java
  */
-constexpr int32_t VERIFIED_KEY_EVENT_FLAGS = AKEY_EVENT_FLAG_CANCELED;
+constexpr int32_t VERIFIED_KEY_EVENT_FLAGS =
+        AKEY_EVENT_FLAG_CANCELED | AKEY_EVENT_FLAG_IS_ACCESSIBILITY_EVENT;
 
 /**
  * Allowed VerifiedMotionEventFlags. All other flags from MotionEvent do not get verified.
  * These values must be kept in sync with VerifiedMotionEvent.java
  */
-constexpr int32_t VERIFIED_MOTION_EVENT_FLAGS =
-        AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED | AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
+constexpr int32_t VERIFIED_MOTION_EVENT_FLAGS = AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED |
+        AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED | AMOTION_EVENT_FLAG_IS_ACCESSIBILITY_EVENT;
 
 /**
  * This flag indicates that the point up event has been canceled.
@@ -222,16 +240,14 @@
     POLICY_FLAG_GESTURE = 0x00000008,
 
     POLICY_FLAG_RAW_MASK = 0x0000ffff,
-#ifdef __linux__
-    POLICY_FLAG_INPUTFILTER_TRUSTED = android::os::IInputConstants::POLICY_FLAG_INPUTFILTER_TRUSTED,
 
+#ifdef __linux__
     POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY =
             android::os::IInputConstants::POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY,
 #else
-    POLICY_FLAG_INPUTFILTER_TRUSTED = 0x10000,
-
     POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY = 0x20000,
 #endif
+
     /* These flags are set by the input dispatcher. */
 
     // Indicates that the input event was injected.
diff --git a/include/input/InputDevice.h b/include/input/InputDevice.h
index 1955104..7f0324a 100644
--- a/include/input/InputDevice.h
+++ b/include/input/InputDevice.h
@@ -318,8 +318,6 @@
         const std::string& name, InputDeviceConfigurationFileType type);
 
 enum ReservedInputDeviceId : int32_t {
-    // Device id assigned to input events generated inside accessibility service
-    ACCESSIBILITY_DEVICE_ID = -2,
     // Device id of a special "virtual" keyboard that is always present.
     VIRTUAL_KEYBOARD_ID = -1,
     // Device id of the "built-in" keyboard if there is one.
diff --git a/libs/binder/LazyServiceRegistrar.cpp b/libs/binder/LazyServiceRegistrar.cpp
index 6165911..f66993f 100644
--- a/libs/binder/LazyServiceRegistrar.cpp
+++ b/libs/binder/LazyServiceRegistrar.cpp
@@ -40,9 +40,9 @@
 
     void setActiveServicesCallback(const std::function<bool(bool)>& activeServicesCallback);
 
-    bool tryUnregister();
+    bool tryUnregisterLocked();
 
-    void reRegister();
+    void reRegisterLocked();
 
 protected:
     Status onClients(const sp<IBinder>& service, bool clients) override;
@@ -59,6 +59,9 @@
         bool registered = true;
     };
 
+    bool registerServiceLocked(const sp<IBinder>& service, const std::string& name,
+                               bool allowIsolated, int dumpFlags);
+
     /**
      * Looks up a service guaranteed to be registered (service from onClients).
      */
@@ -68,7 +71,7 @@
      * Unregisters all services that we can. If we can't unregister all, re-register other
      * services.
      */
-    void tryShutdown();
+    void tryShutdownLocked();
 
     /**
      * Try to shutdown the process, unless:
@@ -76,7 +79,10 @@
      * - The active services count callback returns 'true', or
      * - Some services have clients.
      */
-    void maybeTryShutdown();
+    void maybeTryShutdownLocked();
+
+    // for below
+    std::mutex mMutex;
 
     // count of services with clients
     size_t mNumConnectedServices;
@@ -117,6 +123,13 @@
 
 bool ClientCounterCallbackImpl::registerService(const sp<IBinder>& service, const std::string& name,
                                             bool allowIsolated, int dumpFlags) {
+    std::lock_guard<std::mutex> lock(mMutex);
+    return registerServiceLocked(service, name, allowIsolated, dumpFlags);
+}
+
+bool ClientCounterCallbackImpl::registerServiceLocked(const sp<IBinder>& service,
+                                                      const std::string& name, bool allowIsolated,
+                                                      int dumpFlags) {
     auto manager = interface_cast<AidlServiceManager>(asBinder(defaultServiceManager()));
 
     bool reRegister = mRegisteredServices.count(name) > 0;
@@ -164,14 +177,15 @@
 }
 
 void ClientCounterCallbackImpl::forcePersist(bool persist) {
+    std::lock_guard<std::mutex> lock(mMutex);
     mForcePersist = persist;
     if (!mForcePersist) {
         // Attempt a shutdown in case the number of clients hit 0 while the flag was on
-        maybeTryShutdown();
+        maybeTryShutdownLocked();
     }
 }
 
-bool ClientCounterCallbackImpl::tryUnregister() {
+bool ClientCounterCallbackImpl::tryUnregisterLocked() {
     auto manager = interface_cast<AidlServiceManager>(asBinder(defaultServiceManager()));
 
     for (auto& [name, entry] : mRegisteredServices) {
@@ -187,15 +201,14 @@
     return true;
 }
 
-void ClientCounterCallbackImpl::reRegister() {
+void ClientCounterCallbackImpl::reRegisterLocked() {
     for (auto& [name, entry] : mRegisteredServices) {
         // re-register entry if not already registered
         if (entry.registered) {
             continue;
         }
 
-        if (!registerService(entry.service, name, entry.allowIsolated,
-                             entry.dumpFlags)) {
+        if (!registerServiceLocked(entry.service, name, entry.allowIsolated, entry.dumpFlags)) {
             // Must restart. Otherwise, clients will never be able to get a hold of this service.
             LOG_ALWAYS_FATAL("Bad state: could not re-register services");
         }
@@ -204,7 +217,7 @@
     }
 }
 
-void ClientCounterCallbackImpl::maybeTryShutdown() {
+void ClientCounterCallbackImpl::maybeTryShutdownLocked() {
     if (mForcePersist) {
         ALOGI("Shutdown prevented by forcePersist override flag.");
         return;
@@ -223,15 +236,12 @@
     // client count change event, try to shutdown the process if its services
     // have no clients.
     if (!handledInCallback && mNumConnectedServices == 0) {
-        tryShutdown();
+        tryShutdownLocked();
     }
 }
 
-/**
- * onClients is oneway, so no need to worry about multi-threading. Note that this means multiple
- * invocations could occur on different threads however.
- */
 Status ClientCounterCallbackImpl::onClients(const sp<IBinder>& service, bool clients) {
+    std::lock_guard<std::mutex> lock(mMutex);
     auto & [name, registered] = *assertRegisteredService(service);
     if (registered.clients == clients) {
         LOG_ALWAYS_FATAL("Process already thought %s had clients: %d but servicemanager has "
@@ -252,23 +262,24 @@
     ALOGI("Process has %zu (of %zu available) client(s) in use after notification %s has clients: %d",
           mNumConnectedServices, mRegisteredServices.size(), name.c_str(), clients);
 
-    maybeTryShutdown();
+    maybeTryShutdownLocked();
     return Status::ok();
 }
 
- void ClientCounterCallbackImpl::tryShutdown() {
-     ALOGI("Trying to shut down the service. No clients in use for any service in process.");
+void ClientCounterCallbackImpl::tryShutdownLocked() {
+    ALOGI("Trying to shut down the service. No clients in use for any service in process.");
 
-    if (tryUnregister()) {
-         ALOGI("Unregistered all clients and exiting");
-         exit(EXIT_SUCCESS);
-     }
+    if (tryUnregisterLocked()) {
+        ALOGI("Unregistered all clients and exiting");
+        exit(EXIT_SUCCESS);
+    }
 
-    reRegister();
+    reRegisterLocked();
 }
 
 void ClientCounterCallbackImpl::setActiveServicesCallback(const std::function<bool(bool)>&
                                                           activeServicesCallback) {
+    std::lock_guard<std::mutex> lock(mMutex);
     mActiveServicesCallback = activeServicesCallback;
 }
 
@@ -291,11 +302,15 @@
 }
 
 bool ClientCounterCallback::tryUnregister() {
-    return mImpl->tryUnregister();
+    // see comments in header, this should only be called from the active
+    // services callback, see also b/191781736
+    return mImpl->tryUnregisterLocked();
 }
 
 void ClientCounterCallback::reRegister() {
-    mImpl->reRegister();
+    // see comments in header, this should only be called from the active
+    // services callback, see also b/191781736
+    mImpl->reRegisterLocked();
 }
 
 }  // namespace internal
diff --git a/libs/binder/include/binder/LazyServiceRegistrar.h b/libs/binder/include/binder/LazyServiceRegistrar.h
index f3ba830..2e22b84 100644
--- a/libs/binder/include/binder/LazyServiceRegistrar.h
+++ b/libs/binder/include/binder/LazyServiceRegistrar.h
@@ -79,9 +79,10 @@
       */
      void setActiveServicesCallback(const std::function<bool(bool)>& activeServicesCallback);
 
-    /**
+     /**
       * Try to unregister all services previously registered with 'registerService'.
-      * Returns 'true' if successful.
+      * Returns 'true' if successful. This should only be called within the callback registered by
+      * setActiveServicesCallback.
       */
      bool tryUnregister();
 
diff --git a/libs/binder/libbinder.arm32.map b/libs/binder/libbinder.arm32.map
index 64fdd91..c8aebb3 100644
--- a/libs/binder/libbinder.arm32.map
+++ b/libs/binder/libbinder.arm32.map
@@ -389,15 +389,6 @@
     _ZN7android6binder8internal21ClientCounterCallback25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
     _ZN7android6binder8internal21ClientCounterCallbackC1Ev;
     _ZN7android6binder8internal21ClientCounterCallbackC2Ev;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl10reRegisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl11tryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl12forcePersistEb;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl13tryUnregisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl15registerServiceERKNS_2spINS_7IBinderEEERKNSt3__112basic_stringIcNS8_11char_traitsIcEENS8_9allocatorIcEEEEbi;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl16maybeTryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl23assertRegisteredServiceERKNS_2spINS_7IBinderEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl9onClientsERKNS_2spINS_7IBinderEEEb;
     _ZN7android6Parcel10appendFromEPKS0_jj;
     _ZN7android6Parcel10markForRpcERKNS_2spINS_10RpcSessionEEE;
     _ZN7android6Parcel10writeFloatEf;
@@ -1076,7 +1067,6 @@
     _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIxNS_9allocatorIxEEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE4findIS3_EENS_21__tree_const_iteratorIS8_PNS_11__tree_nodeIS8_PvEEiEERKT_;
     _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEERKT_;
     _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ExEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE14__count_uniqueIS7_EEjRKT_;
     _ZNSt3__111__sift_downIRNS_4lessIN7android8RpcState10BinderNode9AsyncTodoEEENS_11__wrap_iterIPS5_EEEEvT0_SB_T_NS_15iterator_traitsISB_E15difference_typeESB_;
     _ZNSt3__111unique_lockINS_5mutexEE6unlockEv;
     _ZNSt3__112__hash_tableINS_17__hash_value_typeIijEENS_22__unordered_map_hasherIiS2_NS_4hashIiEELb1EEENS_21__unordered_map_equalIiS2_NS_8equal_toIiEELb1EEENS_9allocatorIS2_EEE14__erase_uniqueIiEEjRKT_;
@@ -1223,9 +1213,6 @@
     _ZNSt3__16__treeINS_12__value_typeIN7android8String16ExEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_15__tree_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEERKT_;
     _ZNSt3__16__treeINS_12__value_typeIN7android8String16ExEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE7destroyEPNS_11__tree_nodeIS4_PvEE;
     _ZNSt3__16__treeINS_12__value_typeINS_11__thread_idENS_6threadEEENS_19__map_value_compareIS2_S4_NS_4lessIS2_EELb1EEENS_9allocatorIS4_EEE7destroyEPNS_11__tree_nodeIS4_PvEE;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE12__find_equalIS7_EERPNS_16__tree_node_baseIPvEERPNS_15__tree_end_nodeISO_EERKT_;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE25__emplace_unique_key_argsIS7_JRKNS_21piecewise_construct_tENS_5tupleIJRKS7_EEENSO_IJEEEEEENS_4pairINS_15__tree_iteratorISD_PNS_11__tree_nodeISD_PvEEiEEbEERKT_DpOT0_;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE7destroyEPNS_11__tree_nodeISD_PvEE;
     _ZNSt3__16vectorIaNS_9allocatorIaEEE6insertIPKaEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIaNS_15iterator_traitsIS8_E9referenceEEE5valueENS_11__wrap_iterIPaEEE4typeENSC_IS6_EES8_S8_;
     _ZNSt3__16vectorIbNS_9allocatorIbEEE18__construct_at_endINS_14__bit_iteratorIS3_Lb0ELj0EEEEENS_9enable_ifIXsr21__is_forward_iteratorIT_EE5valueEvE4typeES8_S8_;
     _ZNSt3__16vectorIbNS_9allocatorIbEEE18__construct_at_endINS_14__bit_iteratorIS3_Lb1ELj0EEEEENS_9enable_ifIXsr21__is_forward_iteratorIT_EE5valueEvE4typeES8_S8_;
@@ -1353,12 +1340,6 @@
     _ZTCN7android2os17BpServiceCallbackE0_NS_10IInterfaceE;
     _ZTCN7android2os17BpServiceCallbackE0_NS_11BpInterfaceINS0_16IServiceCallbackEEE;
     _ZTCN7android2os17BpServiceCallbackE4_NS_9BpRefBaseE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_10IInterfaceE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_11BnInterfaceINS_2os15IClientCallbackEEE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os15IClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os16BnClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE4_NS_7BBinderE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE4_NS_7IBinderE;
     _ZTCN7android7BBinderE0_NS_7IBinderE;
     _ZTCN7android7content2pm21IPackageManagerNativeE0_NS_10IInterfaceE;
     _ZTCN7android7content2pm22BnPackageManagerNativeE0_NS_10IInterfaceE;
@@ -1447,7 +1428,6 @@
     _ZTTN7android2os16IServiceCallbackE;
     _ZTTN7android2os17BnServiceCallbackE;
     _ZTTN7android2os17BpServiceCallbackE;
-    _ZTTN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTTN7android7BBinderE;
     _ZTTN7android7content2pm21IPackageManagerNativeE;
     _ZTTN7android7content2pm22BnPackageManagerNativeE;
@@ -1581,7 +1561,6 @@
     _ZTVN7android2os17BpServiceCallbackE;
     _ZTVN7android2os17PersistableBundleE;
     _ZTVN7android2os20ParcelFileDescriptorE;
-    _ZTVN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTVN7android6VectorIiEE;
     _ZTVN7android6VectorINS_12ProcessState12handle_entryEEE;
     _ZTVN7android6VectorINS_2spINS_18BufferedTextOutput11BufferStateEEEEE;
diff --git a/libs/binder/libbinder.arm32.vendor.map b/libs/binder/libbinder.arm32.vendor.map
index 8d5a323..2aa65de 100644
--- a/libs/binder/libbinder.arm32.vendor.map
+++ b/libs/binder/libbinder.arm32.vendor.map
@@ -359,15 +359,6 @@
     _ZN7android6binder8internal21ClientCounterCallback25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
     _ZN7android6binder8internal21ClientCounterCallbackC1Ev;
     _ZN7android6binder8internal21ClientCounterCallbackC2Ev;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl10reRegisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl11tryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl12forcePersistEb;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl13tryUnregisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl15registerServiceERKNS_2spINS_7IBinderEEERKNSt3__112basic_stringIcNS8_11char_traitsIcEENS8_9allocatorIcEEEEbi;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl16maybeTryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl23assertRegisteredServiceERKNS_2spINS_7IBinderEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl9onClientsERKNS_2spINS_7IBinderEEEb;
     _ZN7android6Parcel10appendFromEPKS0_jj;
     _ZN7android6Parcel10markForRpcERKNS_2spINS_10RpcSessionEEE;
     _ZN7android6Parcel10writeFloatEf;
@@ -1022,7 +1013,6 @@
     _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ENS_6vectorIxNS_9allocatorIxEEEEEENS_19__map_value_compareIS3_S8_NS_4lessIS3_EELb1EEENS5_IS8_EEE4findIS3_EENS_21__tree_const_iteratorIS8_PNS_11__tree_nodeIS8_PvEEiEERKT_;
     _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEERKT_;
     _ZNKSt3__16__treeINS_12__value_typeIN7android8String16ExEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEERKT_;
-    _ZNKSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE14__count_uniqueIS7_EEjRKT_;
     _ZNSt3__111__sift_downIRNS_4lessIN7android8RpcState10BinderNode9AsyncTodoEEENS_11__wrap_iterIPS5_EEEEvT0_SB_T_NS_15iterator_traitsISB_E15difference_typeESB_;
     _ZNSt3__111unique_lockINS_5mutexEE6unlockEv;
     _ZNSt3__112__hash_tableINS_17__hash_value_typeIijEENS_22__unordered_map_hasherIiS2_NS_4hashIiEELb1EEENS_21__unordered_map_equalIiS2_NS_8equal_toIiEELb1EEENS_9allocatorIS2_EEE14__erase_uniqueIiEEjRKT_;
@@ -1169,9 +1159,6 @@
     _ZNSt3__16__treeINS_12__value_typeIN7android8String16ExEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE4findIS3_EENS_15__tree_iteratorIS4_PNS_11__tree_nodeIS4_PvEEiEERKT_;
     _ZNSt3__16__treeINS_12__value_typeIN7android8String16ExEENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE7destroyEPNS_11__tree_nodeIS4_PvEE;
     _ZNSt3__16__treeINS_12__value_typeINS_11__thread_idENS_6threadEEENS_19__map_value_compareIS2_S4_NS_4lessIS2_EELb1EEENS_9allocatorIS4_EEE7destroyEPNS_11__tree_nodeIS4_PvEE;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE12__find_equalIS7_EERPNS_16__tree_node_baseIPvEERPNS_15__tree_end_nodeISO_EERKT_;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE25__emplace_unique_key_argsIS7_JRKNS_21piecewise_construct_tENS_5tupleIJRKS7_EEENSO_IJEEEEEENS_4pairINS_15__tree_iteratorISD_PNS_11__tree_nodeISD_PvEEiEEbEERKT_DpOT0_;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE7destroyEPNS_11__tree_nodeISD_PvEE;
     _ZNSt3__16vectorIaNS_9allocatorIaEEE6insertIPKaEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIaNS_15iterator_traitsIS8_E9referenceEEE5valueENS_11__wrap_iterIPaEEE4typeENSC_IS6_EES8_S8_;
     _ZNSt3__16vectorIbNS_9allocatorIbEEE18__construct_at_endINS_14__bit_iteratorIS3_Lb0ELj0EEEEENS_9enable_ifIXsr21__is_forward_iteratorIT_EE5valueEvE4typeES8_S8_;
     _ZNSt3__16vectorIbNS_9allocatorIbEEE18__construct_at_endINS_14__bit_iteratorIS3_Lb1ELj0EEEEENS_9enable_ifIXsr21__is_forward_iteratorIT_EE5valueEvE4typeES8_S8_;
@@ -1289,12 +1276,6 @@
     _ZTCN7android2os17BpServiceCallbackE0_NS_10IInterfaceE;
     _ZTCN7android2os17BpServiceCallbackE0_NS_11BpInterfaceINS0_16IServiceCallbackEEE;
     _ZTCN7android2os17BpServiceCallbackE4_NS_9BpRefBaseE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_10IInterfaceE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_11BnInterfaceINS_2os15IClientCallbackEEE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os15IClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os16BnClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE4_NS_7BBinderE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE4_NS_7IBinderE;
     _ZTCN7android7BBinderE0_NS_7IBinderE;
     _ZTCN7android7content2pm21IPackageManagerNativeE0_NS_10IInterfaceE;
     _ZTCN7android7content2pm22BnPackageManagerNativeE0_NS_10IInterfaceE;
@@ -1379,7 +1360,6 @@
     _ZTTN7android2os16IServiceCallbackE;
     _ZTTN7android2os17BnServiceCallbackE;
     _ZTTN7android2os17BpServiceCallbackE;
-    _ZTTN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTTN7android7BBinderE;
     _ZTTN7android7content2pm21IPackageManagerNativeE;
     _ZTTN7android7content2pm22BnPackageManagerNativeE;
@@ -1506,7 +1486,6 @@
     _ZTVN7android2os17BpServiceCallbackE;
     _ZTVN7android2os17PersistableBundleE;
     _ZTVN7android2os20ParcelFileDescriptorE;
-    _ZTVN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTVN7android6VectorIiEE;
     _ZTVN7android6VectorINS_12ProcessState12handle_entryEEE;
     _ZTVN7android6VectorINS_2spINS_18BufferedTextOutput11BufferStateEEEEE;
diff --git a/libs/binder/libbinder.arm64.map b/libs/binder/libbinder.arm64.map
index dc34de8..538fc1f 100644
--- a/libs/binder/libbinder.arm64.map
+++ b/libs/binder/libbinder.arm64.map
@@ -390,15 +390,6 @@
     _ZN7android6binder8internal21ClientCounterCallback25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
     _ZN7android6binder8internal21ClientCounterCallbackC1Ev;
     _ZN7android6binder8internal21ClientCounterCallbackC2Ev;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl10reRegisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl11tryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl12forcePersistEb;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl13tryUnregisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl15registerServiceERKNS_2spINS_7IBinderEEERKNSt3__112basic_stringIcNS8_11char_traitsIcEENS8_9allocatorIcEEEEbi;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl16maybeTryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl23assertRegisteredServiceERKNS_2spINS_7IBinderEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl9onClientsERKNS_2spINS_7IBinderEEEb;
     _ZN7android6Parcel10appendFromEPKS0_mm;
     _ZN7android6Parcel10markForRpcERKNS_2spINS_10RpcSessionEEE;
     _ZN7android6Parcel10writeFloatEf;
@@ -1213,9 +1204,6 @@
     _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE5eraseENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEElEE;
     _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE7destroyEPNS_11__tree_nodeIS4_PvEE;
     _ZNSt3__16__treeINS_12__value_typeINS_11__thread_idENS_6threadEEENS_19__map_value_compareIS2_S4_NS_4lessIS2_EELb1EEENS_9allocatorIS4_EEE7destroyEPNS_11__tree_nodeIS4_PvEE;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE12__find_equalIS7_EERPNS_16__tree_node_baseIPvEERPNS_15__tree_end_nodeISO_EERKT_;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE25__emplace_unique_key_argsIS7_JRKNS_21piecewise_construct_tENS_5tupleIJRKS7_EEENSO_IJEEEEEENS_4pairINS_15__tree_iteratorISD_PNS_11__tree_nodeISD_PvEElEEbEERKT_DpOT0_;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE7destroyEPNS_11__tree_nodeISD_PvEE;
     _ZNSt3__16vectorIaNS_9allocatorIaEEE6insertIPKaEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIaNS_15iterator_traitsIS8_E9referenceEEE5valueENS_11__wrap_iterIPaEEE4typeENSC_IS6_EES8_S8_;
     _ZNSt3__16vectorIbNS_9allocatorIbEEE18__construct_at_endINS_14__bit_iteratorIS3_Lb0ELm0EEEEENS_9enable_ifIXsr21__is_forward_iteratorIT_EE5valueEvE4typeES8_S8_;
     _ZNSt3__16vectorIbNS_9allocatorIbEEE18__construct_at_endINS_14__bit_iteratorIS3_Lb1ELm0EEEEENS_9enable_ifIXsr21__is_forward_iteratorIT_EE5valueEvE4typeES8_S8_;
@@ -1339,12 +1327,6 @@
     _ZTCN7android2os17BpServiceCallbackE0_NS_10IInterfaceE;
     _ZTCN7android2os17BpServiceCallbackE0_NS_11BpInterfaceINS0_16IServiceCallbackEEE;
     _ZTCN7android2os17BpServiceCallbackE8_NS_9BpRefBaseE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_10IInterfaceE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_11BnInterfaceINS_2os15IClientCallbackEEE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os15IClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os16BnClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE8_NS_7BBinderE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE8_NS_7IBinderE;
     _ZTCN7android7BBinderE0_NS_7IBinderE;
     _ZTCN7android7content2pm21IPackageManagerNativeE0_NS_10IInterfaceE;
     _ZTCN7android7content2pm22BnPackageManagerNativeE0_NS_10IInterfaceE;
@@ -1433,7 +1415,6 @@
     _ZTTN7android2os16IServiceCallbackE;
     _ZTTN7android2os17BnServiceCallbackE;
     _ZTTN7android2os17BpServiceCallbackE;
-    _ZTTN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTTN7android7BBinderE;
     _ZTTN7android7content2pm21IPackageManagerNativeE;
     _ZTTN7android7content2pm22BnPackageManagerNativeE;
@@ -1565,7 +1546,6 @@
     _ZTVN7android2os17BpServiceCallbackE;
     _ZTVN7android2os17PersistableBundleE;
     _ZTVN7android2os20ParcelFileDescriptorE;
-    _ZTVN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTVN7android6VectorIiEE;
     _ZTVN7android6VectorINS_12ProcessState12handle_entryEEE;
     _ZTVN7android6VectorINS_2spINS_18BufferedTextOutput11BufferStateEEEEE;
diff --git a/libs/binder/libbinder.arm64.vendor.map b/libs/binder/libbinder.arm64.vendor.map
index 971ba92..044cc82 100644
--- a/libs/binder/libbinder.arm64.vendor.map
+++ b/libs/binder/libbinder.arm64.vendor.map
@@ -359,15 +359,6 @@
     _ZN7android6binder8internal21ClientCounterCallback25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
     _ZN7android6binder8internal21ClientCounterCallbackC1Ev;
     _ZN7android6binder8internal21ClientCounterCallbackC2Ev;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl10reRegisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl11tryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl12forcePersistEb;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl13tryUnregisterEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl15registerServiceERKNS_2spINS_7IBinderEEERKNSt3__112basic_stringIcNS8_11char_traitsIcEENS8_9allocatorIcEEEEbi;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl16maybeTryShutdownEv;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl23assertRegisteredServiceERKNS_2spINS_7IBinderEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl25setActiveServicesCallbackERKNSt3__18functionIFbbEEE;
-    _ZN7android6binder8internal25ClientCounterCallbackImpl9onClientsERKNS_2spINS_7IBinderEEEb;
     _ZN7android6Parcel10appendFromEPKS0_mm;
     _ZN7android6Parcel10markForRpcERKNS_2spINS_10RpcSessionEEE;
     _ZN7android6Parcel10writeFloatEf;
@@ -1158,9 +1149,6 @@
     _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE5eraseENS_21__tree_const_iteratorIS4_PNS_11__tree_nodeIS4_PvEElEE;
     _ZNSt3__16__treeINS_12__value_typeIN7android8String16ES3_EENS_19__map_value_compareIS3_S4_NS_4lessIS3_EELb1EEENS_9allocatorIS4_EEE7destroyEPNS_11__tree_nodeIS4_PvEE;
     _ZNSt3__16__treeINS_12__value_typeINS_11__thread_idENS_6threadEEENS_19__map_value_compareIS2_S4_NS_4lessIS2_EELb1EEENS_9allocatorIS4_EEE7destroyEPNS_11__tree_nodeIS4_PvEE;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE12__find_equalIS7_EERPNS_16__tree_node_baseIPvEERPNS_15__tree_end_nodeISO_EERKT_;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE25__emplace_unique_key_argsIS7_JRKNS_21piecewise_construct_tENS_5tupleIJRKS7_EEENSO_IJEEEEEENS_4pairINS_15__tree_iteratorISD_PNS_11__tree_nodeISD_PvEElEEbEERKT_DpOT0_;
-    _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN7android6binder8internal25ClientCounterCallbackImpl7ServiceEEENS_19__map_value_compareIS7_SD_NS_4lessIS7_EELb1EEENS5_ISD_EEE7destroyEPNS_11__tree_nodeISD_PvEE;
     _ZNSt3__16vectorIaNS_9allocatorIaEEE6insertIPKaEENS_9enable_ifIXaasr21__is_forward_iteratorIT_EE5valuesr16is_constructibleIaNS_15iterator_traitsIS8_E9referenceEEE5valueENS_11__wrap_iterIPaEEE4typeENSC_IS6_EES8_S8_;
     _ZNSt3__16vectorIbNS_9allocatorIbEEE18__construct_at_endINS_14__bit_iteratorIS3_Lb0ELm0EEEEENS_9enable_ifIXsr21__is_forward_iteratorIT_EE5valueEvE4typeES8_S8_;
     _ZNSt3__16vectorIbNS_9allocatorIbEEE18__construct_at_endINS_14__bit_iteratorIS3_Lb1ELm0EEEEENS_9enable_ifIXsr21__is_forward_iteratorIT_EE5valueEvE4typeES8_S8_;
@@ -1274,12 +1262,6 @@
     _ZTCN7android2os17BpServiceCallbackE0_NS_10IInterfaceE;
     _ZTCN7android2os17BpServiceCallbackE0_NS_11BpInterfaceINS0_16IServiceCallbackEEE;
     _ZTCN7android2os17BpServiceCallbackE8_NS_9BpRefBaseE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_10IInterfaceE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_11BnInterfaceINS_2os15IClientCallbackEEE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os15IClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE0_NS_2os16BnClientCallbackE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE8_NS_7BBinderE;
-    _ZTCN7android6binder8internal25ClientCounterCallbackImplE8_NS_7IBinderE;
     _ZTCN7android7BBinderE0_NS_7IBinderE;
     _ZTCN7android7content2pm21IPackageManagerNativeE0_NS_10IInterfaceE;
     _ZTCN7android7content2pm22BnPackageManagerNativeE0_NS_10IInterfaceE;
@@ -1364,7 +1346,6 @@
     _ZTTN7android2os16IServiceCallbackE;
     _ZTTN7android2os17BnServiceCallbackE;
     _ZTTN7android2os17BpServiceCallbackE;
-    _ZTTN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTTN7android7BBinderE;
     _ZTTN7android7content2pm21IPackageManagerNativeE;
     _ZTTN7android7content2pm22BnPackageManagerNativeE;
@@ -1489,7 +1470,6 @@
     _ZTVN7android2os17BpServiceCallbackE;
     _ZTVN7android2os17PersistableBundleE;
     _ZTVN7android2os20ParcelFileDescriptorE;
-    _ZTVN7android6binder8internal25ClientCounterCallbackImplE;
     _ZTVN7android6VectorIiEE;
     _ZTVN7android6VectorINS_12ProcessState12handle_entryEEE;
     _ZTVN7android6VectorINS_2spINS_18BufferedTextOutput11BufferStateEEEEE;
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index 2970116..ac8feaa 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -197,15 +197,18 @@
     }
 
     SurfaceComposerClient::Transaction t;
+    const bool setBackpressureFlag = !SurfaceControl::isSameSurface(mSurfaceControl, surface);
     bool applyTransaction = false;
-    if (!SurfaceControl::isSameSurface(mSurfaceControl, surface)) {
-        mSurfaceControl = surface;
-        t.setFlags(mSurfaceControl, layer_state_t::eEnableBackpressure,
-                   layer_state_t::eEnableBackpressure);
-        applyTransaction = true;
-    }
 
+    // Always update the native object even though they might have the same layer handle, so we can
+    // get the updated transform hint from WM.
+    mSurfaceControl = surface;
     if (mSurfaceControl != nullptr) {
+        if (setBackpressureFlag) {
+            t.setFlags(mSurfaceControl, layer_state_t::eEnableBackpressure,
+                       layer_state_t::eEnableBackpressure);
+            applyTransaction = true;
+        }
         mTransformHint = mSurfaceControl->getTransformHint();
         mBufferItemConsumer->setTransformHint(mTransformHint);
     }
@@ -221,7 +224,7 @@
             // We only need to update the scale if we've received at least one buffer. The reason
             // for this is the scale is calculated based on the requested size and buffer size.
             // If there's no buffer, the scale will always be 1.
-            if (mLastBufferInfo.hasBuffer) {
+            if (mSurfaceControl != nullptr && mLastBufferInfo.hasBuffer) {
                 t.setDestinationFrame(mSurfaceControl,
                                       Rect(0, 0, newSize.getWidth(), newSize.getHeight()));
             }
diff --git a/libs/input/android/os/IInputConstants.aidl b/libs/input/android/os/IInputConstants.aidl
index 3038d9d..474a1e4 100644
--- a/libs/input/android/os/IInputConstants.aidl
+++ b/libs/input/android/os/IInputConstants.aidl
@@ -42,16 +42,15 @@
     const int INVALID_INPUT_EVENT_ID = 0;
 
     /**
-     * The injected event was originally sent from InputDispatcher. Most likely, the journey of the
-     * event looked as follows:
-     * InputDispatcherPolicyInterface::filterInputEvent -> InputFilter.java::onInputEvent ->
-     * InputFilter.java::sendInputEvent -> InputDispatcher::injectInputEvent, without being modified
-     * along the way.
-     */
-    const int POLICY_FLAG_INPUTFILTER_TRUSTED = 0x10000;
-
-    /**
-     * The input event was injected from accessibility
+     * The input event was injected from accessibility. Used in policyFlags for input event
+     * injection.
      */
     const int POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY = 0x20000;
+
+    /**
+     * The input event was generated or modified by accessibility service.
+     * Shared by both KeyEvent and MotionEvent flags, so this value should not overlap with either
+     * set of flags, including in input/Input.h and in android/input.h.
+     */
+    const int INPUT_EVENT_FLAG_IS_ACCESSIBILITY_EVENT = 0x800;
 }
diff --git a/libs/renderengine/skia/Cache.cpp b/libs/renderengine/skia/Cache.cpp
index 725f57b..34577da 100644
--- a/libs/renderengine/skia/Cache.cpp
+++ b/libs/renderengine/skia/Cache.cpp
@@ -99,6 +99,9 @@
     LayerSettings layer{
             .geometry =
                     Geometry{
+                            // The position transform doesn't matter when the reduced shader mode
+                            // in in effect. A matrix transform stage is always included.
+                            .positionTransform = mat4(),
                             .boundaries = rect,
                             .roundedCornersCrop = rect,
                     },
@@ -109,29 +112,18 @@
                                           }},
     };
 
-    auto threeCornerRadii = {0.0f, 0.05f, 50.f};
-    auto oneCornerRadius = {50.f};
-
-    // Test both drawRect and drawRRect
     auto layers = std::vector<const LayerSettings*>{&layer};
     for (auto dataspace : {kDestDataSpace, kOtherDataSpace}) {
         layer.sourceDataspace = dataspace;
-        for (bool identity : {true, false}) {
-            layer.geometry.positionTransform = identity ? mat4() : kScaleAndTranslate;
-            // Corner radii less than 0.5 creates a special shader. This likely occurs in real usage
-            // due to animating corner radius.
-            // For the non-idenity matrix, only the large corner radius will create a new shader.
-            for (float roundedCornersRadius : identity ? threeCornerRadii : oneCornerRadius) {
-                // roundedCornersCrop is always set, but it is this radius that triggers the
-                // behavior
-                layer.geometry.roundedCornersRadius = roundedCornersRadius;
-                for (bool isOpaque : {true, false}) {
-                    layer.source.buffer.isOpaque = isOpaque;
-                    for (auto alpha : {half(.23999f), half(1.0f)}) {
-                        layer.alpha = alpha;
-                        renderengine->drawLayers(display, layers, dstTexture, kUseFrameBufferCache,
-                                                 base::unique_fd(), nullptr);
-                    }
+        for (float roundedCornersRadius : {0.0f, 50.0f}) {
+            // roundedCornersCrop is always set, but the radius triggers the behavior
+            layer.geometry.roundedCornersRadius = roundedCornersRadius;
+            for (bool isOpaque : {true, false}) {
+                layer.source.buffer.isOpaque = isOpaque;
+                for (auto alpha : {half(.2f), half(1.0f)}) {
+                    layer.alpha = alpha;
+                    renderengine->drawLayers(display, layers, dstTexture, kUseFrameBufferCache,
+                                             base::unique_fd(), nullptr);
                 }
             }
         }
@@ -157,7 +149,7 @@
     auto layers = std::vector<const LayerSettings*>{&layer};
     for (auto transform : {mat4(), kScaleAndTranslate}) {
         layer.geometry.positionTransform = transform;
-        for (float roundedCornersRadius : {0.0f, 0.05f, 50.f}) {
+        for (float roundedCornersRadius : {0.0f, 50.f}) {
             layer.geometry.roundedCornersRadius = roundedCornersRadius;
             renderengine->drawLayers(display, layers, dstTexture, kUseFrameBufferCache,
                                      base::unique_fd(), nullptr);
@@ -295,34 +287,37 @@
                                                   ExternalTexture::Usage::READABLE |
                                                           ExternalTexture::Usage::WRITEABLE);
 
-        // 6 shaders
         drawSolidLayers(renderengine, display, dstTexture);
-        // 8 shaders
         drawShadowLayers(renderengine, display, srcTexture);
 
         if (renderengine->supportsBackgroundBlur()) {
-            // 2 shaders
             drawBlurLayers(renderengine, display, dstTexture);
         }
 
-        // The majority of shaders are related to sampling images.
-        drawImageLayers(renderengine, display, dstTexture, srcTexture);
-
         // should be the same as AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE;
         const int64_t usageExternal = GRALLOC_USAGE_HW_TEXTURE;
-
         sp<GraphicBuffer> externalBuffer =
                 new GraphicBuffer(displayRect.width(), displayRect.height(), PIXEL_FORMAT_RGBA_8888,
                                   1, usageExternal, "primeShaderCache_external");
         const auto externalTexture =
                 std::make_shared<ExternalTexture>(externalBuffer, *renderengine,
                                                   ExternalTexture::Usage::READABLE);
-        // TODO(b/184665179) doubles number of image shader compilations, but only somewhere
-        // between 6 and 8 will occur in real uses.
-        drawImageLayers(renderengine, display, dstTexture, externalTexture);
 
-        // Draw layers for b/185569240.
-        drawClippedLayers(renderengine, display, dstTexture, externalTexture);
+        // Another external texture with a different pixel format triggers useIsOpaqueWorkaround
+        sp<GraphicBuffer> f16ExternalBuffer =
+                new GraphicBuffer(displayRect.width(), displayRect.height(), PIXEL_FORMAT_RGBA_FP16,
+                                  1, usageExternal, "primeShaderCache_external_f16");
+        const auto f16ExternalTexture =
+                std::make_shared<ExternalTexture>(f16ExternalBuffer, *renderengine,
+                                                  ExternalTexture::Usage::READABLE);
+
+        // The majority of shaders are related to sampling images.
+        // These need to be generated with various source textures
+        for (auto texture : {srcTexture, externalTexture, f16ExternalTexture}) {
+            drawImageLayers(renderengine, display, dstTexture, texture);
+            // Draw layers for b/185569240.
+            drawClippedLayers(renderengine, display, dstTexture, texture);
+        }
 
         const nsecs_t timeAfter = systemTime();
         const float compileTimeMs = static_cast<float>(timeAfter - timeBefore) / 1.0E6;
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.cpp b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
index cb80ef4..c7356ea 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
@@ -618,9 +618,9 @@
 
     if (requiresLinearEffect) {
         const ui::Dataspace inputDataspace =
-                mUseColorManagement ? layer->sourceDataspace : ui::Dataspace::UNKNOWN;
+                mUseColorManagement ? layer->sourceDataspace : ui::Dataspace::V0_SRGB_LINEAR;
         const ui::Dataspace outputDataspace =
-                mUseColorManagement ? display.outputDataspace : ui::Dataspace::UNKNOWN;
+                mUseColorManagement ? display.outputDataspace : ui::Dataspace::V0_SRGB_LINEAR;
 
         LinearEffect effect = LinearEffect{.inputDataspace = inputDataspace,
                                            .outputDataspace = outputDataspace,
@@ -762,7 +762,7 @@
     }
 
     const ui::Dataspace dstDataspace =
-            mUseColorManagement ? display.outputDataspace : ui::Dataspace::UNKNOWN;
+            mUseColorManagement ? display.outputDataspace : ui::Dataspace::V0_SRGB_LINEAR;
     sk_sp<SkSurface> dstSurface = surfaceTextureRef->getOrCreateSurface(dstDataspace, grContext);
 
     SkCanvas* dstCanvas = mCapture->tryCapture(dstSurface.get());
diff --git a/libs/renderengine/tests/RenderEngineTest.cpp b/libs/renderengine/tests/RenderEngineTest.cpp
index e258741..33e3773 100644
--- a/libs/renderengine/tests/RenderEngineTest.cpp
+++ b/libs/renderengine/tests/RenderEngineTest.cpp
@@ -81,6 +81,7 @@
                         .setSupportsBackgroundBlur(true)
                         .setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
                         .setRenderEngineType(type())
+                        .setUseColorManagerment(useColorManagement())
                         .build();
         return renderengine::gl::GLESRenderEngine::create(reCreationArgs);
     }
@@ -110,7 +111,7 @@
                         .setSupportsBackgroundBlur(true)
                         .setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
                         .setRenderEngineType(type())
-                        .setUseColorManagerment(true)
+                        .setUseColorManagerment(useColorManagement())
                         .build();
         return renderengine::gl::GLESRenderEngine::create(reCreationArgs);
     }
@@ -136,16 +137,12 @@
                         .setSupportsBackgroundBlur(true)
                         .setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
                         .setRenderEngineType(type())
-                        // FIXME (b/189935602): This version is currently color managed.
-                        // We should change it and fix the tests that fail.
-                        //.setUseColorManagerment(false)
+                        .setUseColorManagerment(useColorManagement())
                         .build();
         return renderengine::skia::SkiaGLRenderEngine::create(reCreationArgs);
     }
 
-    // FIXME (b/189935602): This version is currently color managed.
-    // We should change it and fix the tests that fail.
-    bool useColorManagement() const override { return true; }
+    bool useColorManagement() const override { return false; }
 };
 
 class SkiaGLESCMRenderEngineFactory : public RenderEngineFactory {
@@ -166,7 +163,7 @@
                         .setSupportsBackgroundBlur(true)
                         .setContextPriority(renderengine::RenderEngine::ContextPriority::MEDIUM)
                         .setRenderEngineType(type())
-                        .setUseColorManagerment(true)
+                        .setUseColorManagerment(useColorManagement())
                         .build();
         return renderengine::skia::SkiaGLRenderEngine::create(reCreationArgs);
     }
diff --git a/services/inputflinger/TEST_MAPPING b/services/inputflinger/TEST_MAPPING
index dc0e60c..6fdb046 100644
--- a/services/inputflinger/TEST_MAPPING
+++ b/services/inputflinger/TEST_MAPPING
@@ -32,6 +32,15 @@
       ]
     },
     {
+      "name": "FrameworksCoreTests",
+      "options": [
+        {
+          "include-filter": "android.view.VerifiedKeyEventTest",
+          "include-filter": "android.view.VerifiedMotionEventTest"
+        }
+      ]
+    },
+    {
       "name": "CtsSecurityTestCases",
       "options": [
         {
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index c0010ab..1899c5f 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -3787,7 +3787,7 @@
         if (shouldSendKeyToInputFilterLocked(args)) {
             mLock.unlock();
 
-            policyFlags |= POLICY_FLAG_FILTERED | POLICY_FLAG_INPUTFILTER_TRUSTED;
+            policyFlags |= POLICY_FLAG_FILTERED;
             if (!mPolicy->filterInputEvent(&event, policyFlags)) {
                 return; // event was consumed by the filter
             }
@@ -4010,16 +4010,14 @@
     }
 
     // For all injected events, set device id = VIRTUAL_KEYBOARD_ID. The only exception is events
-    // that have gone through the InputFilter. If the event passed through the InputFilter,
-    // but did not get modified, assign the provided device id. If the InputFilter modifies the
-    // events in any way, it is responsible for removing this flag.
-    // If the injected event originated from accessibility, assign the accessibility device id,
-    // so that it can be distinguished from regular injected events.
+    // that have gone through the InputFilter. If the event passed through the InputFilter, assign
+    // the provided device id. If the InputFilter is accessibility, and it modifies or synthesizes
+    // the injected event, it is responsible for setting POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY.
+    // For those events, we will set FLAG_IS_ACCESSIBILITY_EVENT to allow apps to distinguish them
+    // from events that originate from actual hardware.
     int32_t resolvedDeviceId = VIRTUAL_KEYBOARD_ID;
-    if (policyFlags & POLICY_FLAG_INPUTFILTER_TRUSTED) {
+    if (policyFlags & POLICY_FLAG_FILTERED) {
         resolvedDeviceId = event->getDeviceId();
-    } else if (policyFlags & POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY) {
-        resolvedDeviceId = ACCESSIBILITY_DEVICE_ID;
     }
 
     std::queue<std::unique_ptr<EventEntry>> injectedEntries;
@@ -4032,6 +4030,9 @@
             }
 
             int32_t flags = incomingKey.getFlags();
+            if (policyFlags & POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY) {
+                flags |= AKEY_EVENT_FLAG_IS_ACCESSIBILITY_EVENT;
+            }
             int32_t keyCode = incomingKey.getKeyCode();
             int32_t metaState = incomingKey.getMetaState();
             accelerateMetaShortcuts(resolvedDeviceId, action,
@@ -4073,6 +4074,7 @@
             size_t pointerCount = motionEvent.getPointerCount();
             const PointerProperties* pointerProperties = motionEvent.getPointerProperties();
             int32_t actionButton = motionEvent.getActionButton();
+            int32_t flags = motionEvent.getFlags();
             int32_t displayId = motionEvent.getDisplayId();
             if (!validateMotionEvent(action, actionButton, pointerCount, pointerProperties)) {
                 return InputEventInjectionResult::FAILED;
@@ -4088,6 +4090,10 @@
                 }
             }
 
+            if (policyFlags & POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY) {
+                flags |= AMOTION_EVENT_FLAG_IS_ACCESSIBILITY_EVENT;
+            }
+
             mLock.lock();
             const nsecs_t* sampleEventTimes = motionEvent.getSampleEventTimes();
             const PointerCoords* samplePointerCoords = motionEvent.getSamplePointerCoords();
@@ -4095,8 +4101,7 @@
                     std::make_unique<MotionEntry>(motionEvent.getId(), *sampleEventTimes,
                                                   resolvedDeviceId, motionEvent.getSource(),
                                                   motionEvent.getDisplayId(), policyFlags, action,
-                                                  actionButton, motionEvent.getFlags(),
-                                                  motionEvent.getMetaState(),
+                                                  actionButton, flags, motionEvent.getMetaState(),
                                                   motionEvent.getButtonState(),
                                                   motionEvent.getClassification(),
                                                   motionEvent.getEdgeFlags(),
@@ -4116,7 +4121,7 @@
                         std::make_unique<MotionEntry>(motionEvent.getId(), *sampleEventTimes,
                                                       resolvedDeviceId, motionEvent.getSource(),
                                                       motionEvent.getDisplayId(), policyFlags,
-                                                      action, actionButton, motionEvent.getFlags(),
+                                                      action, actionButton, flags,
                                                       motionEvent.getMetaState(),
                                                       motionEvent.getButtonState(),
                                                       motionEvent.getClassification(),
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index 77ca12c..3a9dede 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -3171,7 +3171,8 @@
         mWindow->consumeFocusEvent(true);
     }
 
-    void testInjectedKey(int32_t policyFlags, int32_t injectedDeviceId, int32_t resolvedDeviceId) {
+    void testInjectedKey(int32_t policyFlags, int32_t injectedDeviceId, int32_t resolvedDeviceId,
+                         int32_t flags) {
         KeyEvent event;
 
         const nsecs_t eventTime = systemTime(SYSTEM_TIME_MONOTONIC);
@@ -3188,6 +3189,45 @@
         InputEvent* received = mWindow->consume();
         ASSERT_NE(nullptr, received);
         ASSERT_EQ(resolvedDeviceId, received->getDeviceId());
+        ASSERT_EQ(received->getType(), AINPUT_EVENT_TYPE_KEY);
+        KeyEvent& keyEvent = static_cast<KeyEvent&>(*received);
+        ASSERT_EQ(flags, keyEvent.getFlags());
+    }
+
+    void testInjectedMotion(int32_t policyFlags, int32_t injectedDeviceId, int32_t resolvedDeviceId,
+                            int32_t flags) {
+        MotionEvent event;
+        PointerProperties pointerProperties[1];
+        PointerCoords pointerCoords[1];
+        pointerProperties[0].clear();
+        pointerProperties[0].id = 0;
+        pointerCoords[0].clear();
+        pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 300);
+        pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 400);
+
+        ui::Transform identityTransform;
+        const nsecs_t eventTime = systemTime(SYSTEM_TIME_MONOTONIC);
+        event.initialize(InputEvent::nextId(), injectedDeviceId, AINPUT_SOURCE_TOUCHSCREEN,
+                         DISPLAY_ID, INVALID_HMAC, AMOTION_EVENT_ACTION_DOWN, 0, 0,
+                         AMOTION_EVENT_EDGE_FLAG_NONE, AMETA_NONE, 0, MotionClassification::NONE,
+                         identityTransform, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                         AMOTION_EVENT_INVALID_CURSOR_POSITION,
+                         0 /*AMOTION_EVENT_INVALID_DISPLAY_SIZE*/,
+                         0 /*AMOTION_EVENT_INVALID_DISPLAY_SIZE*/, eventTime, eventTime,
+                         /*pointerCount*/ 1, pointerProperties, pointerCoords);
+
+        const int32_t additionalPolicyFlags = POLICY_FLAG_PASS_TO_USER;
+        ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+                  mDispatcher->injectInputEvent(&event, INJECTOR_PID, INJECTOR_UID,
+                                                InputEventInjectionSync::WAIT_FOR_RESULT, 10ms,
+                                                policyFlags | additionalPolicyFlags));
+
+        InputEvent* received = mWindow->consume();
+        ASSERT_NE(nullptr, received);
+        ASSERT_EQ(resolvedDeviceId, received->getDeviceId());
+        ASSERT_EQ(received->getType(), AINPUT_EVENT_TYPE_MOTION);
+        MotionEvent& motionEvent = static_cast<MotionEvent&>(*received);
+        ASSERT_EQ(flags, motionEvent.getFlags());
     }
 
 private:
@@ -3195,20 +3235,29 @@
 };
 
 TEST_F(InputFilterInjectionPolicyTest, TrustedFilteredEvents_KeepOriginalDeviceId) {
-    // We don't need POLICY_FLAG_FILTERED here, but it will be set in practice, so keep it to make
-    // the test more closely resemble the real usage
-    testInjectedKey(POLICY_FLAG_FILTERED | POLICY_FLAG_INPUTFILTER_TRUSTED, 3 /*injectedDeviceId*/,
-                    3 /*resolvedDeviceId*/);
+    // Must have POLICY_FLAG_FILTERED here to indicate that the event has gone through the input
+    // filter. Without it, the event will no different from a regularly injected event, and the
+    // injected device id will be overwritten.
+    testInjectedKey(POLICY_FLAG_FILTERED, 3 /*injectedDeviceId*/, 3 /*resolvedDeviceId*/,
+                    0 /*flags*/);
 }
 
-TEST_F(InputFilterInjectionPolicyTest, EventsInjectedFromAccessibility_HaveAccessibilityDeviceId) {
+TEST_F(InputFilterInjectionPolicyTest, KeyEventsInjectedFromAccessibility_HaveAccessibilityFlag) {
     testInjectedKey(POLICY_FLAG_FILTERED | POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY,
-                    3 /*injectedDeviceId*/, ACCESSIBILITY_DEVICE_ID /*resolvedDeviceId*/);
+                    3 /*injectedDeviceId*/, 3 /*resolvedDeviceId*/,
+                    AKEY_EVENT_FLAG_IS_ACCESSIBILITY_EVENT);
+}
+
+TEST_F(InputFilterInjectionPolicyTest,
+       MotionEventsInjectedFromAccessibility_HaveAccessibilityFlag) {
+    testInjectedMotion(POLICY_FLAG_FILTERED | POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY,
+                       3 /*injectedDeviceId*/, 3 /*resolvedDeviceId*/,
+                       AMOTION_EVENT_FLAG_IS_ACCESSIBILITY_EVENT);
 }
 
 TEST_F(InputFilterInjectionPolicyTest, RegularInjectedEvents_ReceiveVirtualDeviceId) {
     testInjectedKey(0 /*policyFlags*/, 3 /*injectedDeviceId*/,
-                    VIRTUAL_KEYBOARD_ID /*resolvedDeviceId*/);
+                    VIRTUAL_KEYBOARD_ID /*resolvedDeviceId*/, 0 /*flags*/);
 }
 
 class InputDispatcherOnPointerDownOutsideFocus : public InputDispatcherTest {
diff --git a/services/surfaceflinger/BufferQueueLayer.cpp b/services/surfaceflinger/BufferQueueLayer.cpp
index c64371b..6b6d434 100644
--- a/services/surfaceflinger/BufferQueueLayer.cpp
+++ b/services/surfaceflinger/BufferQueueLayer.cpp
@@ -125,11 +125,16 @@
 // -----------------------------------------------------------------------
 
 bool BufferQueueLayer::fenceHasSignaled() const {
+    Mutex::Autolock lock(mQueueItemLock);
+
+    if (SurfaceFlinger::enableLatchUnsignaled) {
+        return true;
+    }
+
     if (!hasFrameUpdate()) {
         return true;
     }
 
-    Mutex::Autolock lock(mQueueItemLock);
     if (mQueueItems[0].item.mIsDroppable) {
         // Even though this buffer's fence may not have signaled yet, it could
         // be replaced by another buffer before it has a chance to, which means
diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
index 2a49a0a..645e883 100644
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ b/services/surfaceflinger/BufferStateLayer.cpp
@@ -635,6 +635,10 @@
 // Interface implementation for BufferLayer
 // -----------------------------------------------------------------------
 bool BufferStateLayer::fenceHasSignaled() const {
+    if (SurfaceFlinger::enableLatchUnsignaled) {
+        return true;
+    }
+
     const bool fenceSignaled =
             getDrawingState().acquireFence->getStatus() == Fence::Status::Signaled;
     if (!fenceSignaled) {
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h
index 29937fb..554e2f4 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/CompositionRefreshArgs.h
@@ -24,6 +24,7 @@
 #include <compositionengine/LayerFE.h>
 #include <compositionengine/OutputColorSetting.h>
 #include <math/mat4.h>
+#include <ui/FenceTime.h>
 #include <ui/Transform.h>
 
 namespace android::compositionengine {
@@ -83,6 +84,10 @@
     // The earliest time to send the present command to the HAL
     std::chrono::steady_clock::time_point earliestPresentTime;
 
+    // The previous present fence. Used together with earliestPresentTime
+    // to prevent an early presentation of a frame.
+    std::shared_ptr<FenceTime> previousPresentFence;
+
     // The predicted next invalidation time
     std::optional<std::chrono::steady_clock::time_point> nextInvalidateTime;
 };
diff --git a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
index d41c2dd..f34cb94 100644
--- a/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
+++ b/services/surfaceflinger/CompositionEngine/include/compositionengine/impl/OutputCompositionState.h
@@ -19,6 +19,7 @@
 #include <cstdint>
 
 #include <math/mat4.h>
+#include <ui/FenceTime.h>
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic push
@@ -118,6 +119,10 @@
     // The earliest time to send the present command to the HAL
     std::chrono::steady_clock::time_point earliestPresentTime;
 
+    // The previous present fence. Used together with earliestPresentTime
+    // to prevent an early presentation of a frame.
+    std::shared_ptr<FenceTime> previousPresentFence;
+
     // Current display brightness
     float displayBrightnessNits{-1.f};
 
diff --git a/services/surfaceflinger/CompositionEngine/src/Display.cpp b/services/surfaceflinger/CompositionEngine/src/Display.cpp
index ae1336e..2f2c686 100644
--- a/services/surfaceflinger/CompositionEngine/src/Display.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Display.cpp
@@ -229,7 +229,8 @@
     auto& hwc = getCompositionEngine().getHwComposer();
     if (status_t result =
                 hwc.getDeviceCompositionChanges(*halDisplayId, anyLayersRequireClientComposition(),
-                                                getState().earliestPresentTime, &changes);
+                                                getState().earliestPresentTime,
+                                                getState().previousPresentFence, &changes);
         result != NO_ERROR) {
         ALOGE("chooseCompositionStrategy failed for %s: %d (%s)", getName().c_str(), result,
               strerror(-result));
@@ -330,7 +331,8 @@
     }
 
     auto& hwc = getCompositionEngine().getHwComposer();
-    hwc.presentAndGetReleaseFences(*halDisplayIdOpt, getState().earliestPresentTime);
+    hwc.presentAndGetReleaseFences(*halDisplayIdOpt, getState().earliestPresentTime,
+                                   getState().previousPresentFence);
 
     fences.presentFence = hwc.getPresentFence(*halDisplayIdOpt);
 
diff --git a/services/surfaceflinger/CompositionEngine/src/Output.cpp b/services/surfaceflinger/CompositionEngine/src/Output.cpp
index 67bb149..cafcb40 100644
--- a/services/surfaceflinger/CompositionEngine/src/Output.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Output.cpp
@@ -729,6 +729,7 @@
     }
 
     editState().earliestPresentTime = refreshArgs.earliestPresentTime;
+    editState().previousPresentFence = refreshArgs.previousPresentFence;
 
     compositionengine::OutputLayer* peekThroughLayer = nullptr;
     sp<GraphicBuffer> previousOverride = nullptr;
diff --git a/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp b/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp
index db9437b..c037cc6 100644
--- a/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/DisplayTest.cpp
@@ -579,7 +579,7 @@
 TEST_F(DisplayChooseCompositionStrategyTest, takesEarlyOutOnHwcError) {
     EXPECT_CALL(*mDisplay, anyLayersRequireClientComposition()).WillOnce(Return(false));
     EXPECT_CALL(mHwComposer,
-                getDeviceCompositionChanges(HalDisplayId(DEFAULT_DISPLAY_ID), false, _, _))
+                getDeviceCompositionChanges(HalDisplayId(DEFAULT_DISPLAY_ID), false, _, _, _))
             .WillOnce(Return(INVALID_OPERATION));
 
     mDisplay->chooseCompositionStrategy();
@@ -602,7 +602,7 @@
             .WillOnce(Return(false));
 
     EXPECT_CALL(mHwComposer,
-                getDeviceCompositionChanges(HalDisplayId(DEFAULT_DISPLAY_ID), true, _, _))
+                getDeviceCompositionChanges(HalDisplayId(DEFAULT_DISPLAY_ID), true, _, _, _))
             .WillOnce(Return(NO_ERROR));
     EXPECT_CALL(*mDisplay, allLayersRequireClientComposition()).WillOnce(Return(false));
 
@@ -633,8 +633,8 @@
             .WillOnce(Return(false));
 
     EXPECT_CALL(mHwComposer,
-                getDeviceCompositionChanges(HalDisplayId(DEFAULT_DISPLAY_ID), true, _, _))
-            .WillOnce(DoAll(SetArgPointee<3>(changes), Return(NO_ERROR)));
+                getDeviceCompositionChanges(HalDisplayId(DEFAULT_DISPLAY_ID), true, _, _, _))
+            .WillOnce(DoAll(SetArgPointee<4>(changes), Return(NO_ERROR)));
     EXPECT_CALL(*mDisplay, applyChangedTypesToLayers(changes.changedTypes)).Times(1);
     EXPECT_CALL(*mDisplay, applyDisplayRequests(changes.displayRequests)).Times(1);
     EXPECT_CALL(*mDisplay, applyLayerRequestsToLayers(changes.layerRequests)).Times(1);
@@ -844,7 +844,7 @@
     sp<Fence> layer1Fence = new Fence();
     sp<Fence> layer2Fence = new Fence();
 
-    EXPECT_CALL(mHwComposer, presentAndGetReleaseFences(HalDisplayId(DEFAULT_DISPLAY_ID), _))
+    EXPECT_CALL(mHwComposer, presentAndGetReleaseFences(HalDisplayId(DEFAULT_DISPLAY_ID), _, _))
             .Times(1);
     EXPECT_CALL(mHwComposer, getPresentFence(HalDisplayId(DEFAULT_DISPLAY_ID)))
             .WillOnce(Return(presentFence));
@@ -1020,7 +1020,7 @@
 
     mDisplay->editState().isEnabled = true;
 
-    EXPECT_CALL(mHwComposer, presentAndGetReleaseFences(_, _));
+    EXPECT_CALL(mHwComposer, presentAndGetReleaseFences(_, _, _));
     EXPECT_CALL(*mDisplaySurface, onFrameCommitted());
 
     mDisplay->postFramebuffer();
diff --git a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
index 64cbea9..a195e58 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
@@ -52,14 +52,16 @@
                       std::optional<PhysicalDisplayId>));
     MOCK_METHOD2(allocatePhysicalDisplay, void(hal::HWDisplayId, PhysicalDisplayId));
     MOCK_METHOD1(createLayer, std::shared_ptr<HWC2::Layer>(HalDisplayId));
-    MOCK_METHOD4(getDeviceCompositionChanges,
+    MOCK_METHOD5(getDeviceCompositionChanges,
                  status_t(HalDisplayId, bool, std::chrono::steady_clock::time_point,
+                          const std::shared_ptr<FenceTime>&,
                           std::optional<android::HWComposer::DeviceRequestedChanges>*));
     MOCK_METHOD5(setClientTarget,
                  status_t(HalDisplayId, uint32_t, const sp<Fence>&, const sp<GraphicBuffer>&,
                           ui::Dataspace));
-    MOCK_METHOD2(presentAndGetReleaseFences,
-                 status_t(HalDisplayId, std::chrono::steady_clock::time_point));
+    MOCK_METHOD3(presentAndGetReleaseFences,
+                 status_t(HalDisplayId, std::chrono::steady_clock::time_point,
+                          const std::shared_ptr<FenceTime>&));
     MOCK_METHOD2(setPowerMode, status_t(PhysicalDisplayId, hal::PowerMode));
     MOCK_METHOD2(setActiveConfig, status_t(HalDisplayId, size_t));
     MOCK_METHOD2(setColorTransform, status_t(HalDisplayId, const mat4&));
diff --git a/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h b/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h
index b738096..fc8cb50 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockPowerAdvisor.h
@@ -29,8 +29,10 @@
     PowerAdvisor();
     ~PowerAdvisor() override;
 
+    MOCK_METHOD0(init, void());
     MOCK_METHOD0(onBootFinished, void());
     MOCK_METHOD2(setExpensiveRenderingExpected, void(DisplayId displayId, bool expected));
+    MOCK_METHOD0(isUsingExpensiveRendering, bool());
     MOCK_METHOD0(notifyDisplayUpdateImminent, void());
 };
 
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index 32f04e5..7e45dab 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -471,6 +471,7 @@
 status_t HWComposer::getDeviceCompositionChanges(
         HalDisplayId displayId, bool frameUsesClientComposition,
         std::chrono::steady_clock::time_point earliestPresentTime,
+        const std::shared_ptr<FenceTime>& previousPresentFence,
         std::optional<android::HWComposer::DeviceRequestedChanges>* outChanges) {
     ATRACE_CALL();
 
@@ -487,12 +488,16 @@
 
     hal::Error error = hal::Error::NONE;
 
-    // First try to skip validate altogether when we passed the earliest time
-    // to present and there is no client. Otherwise, we may present a frame too
-    // early or in case of client composition we first need to render the
+    // First try to skip validate altogether. We can do that when
+    // 1. The previous frame has not been presented yet or already passed the
+    // earliest time to present. Otherwise, we may present a frame too early.
+    // 2. There is no client composition. Otherwise, we first need to render the
     // client target buffer.
-    const bool canSkipValidate =
-            std::chrono::steady_clock::now() >= earliestPresentTime && !frameUsesClientComposition;
+    const bool prevFencePending =
+            previousPresentFence->getSignalTime() == Fence::SIGNAL_TIME_PENDING;
+    const bool canPresentEarly =
+            !prevFencePending && std::chrono::steady_clock::now() < earliestPresentTime;
+    const bool canSkipValidate = !canPresentEarly && !frameUsesClientComposition;
     displayData.validateWasSkipped = false;
     if (canSkipValidate) {
         sp<Fence> outPresentFence;
@@ -559,7 +564,8 @@
 }
 
 status_t HWComposer::presentAndGetReleaseFences(
-        HalDisplayId displayId, std::chrono::steady_clock::time_point earliestPresentTime) {
+        HalDisplayId displayId, std::chrono::steady_clock::time_point earliestPresentTime,
+        const std::shared_ptr<FenceTime>& previousPresentFence) {
     ATRACE_CALL();
 
     RETURN_IF_INVALID_DISPLAY(displayId, BAD_INDEX);
@@ -575,7 +581,9 @@
         return NO_ERROR;
     }
 
-    {
+    const bool previousFramePending =
+            previousPresentFence->getSignalTime() == Fence::SIGNAL_TIME_PENDING;
+    if (!previousFramePending) {
         ATRACE_NAME("wait for earliest present time");
         std::this_thread::sleep_until(earliestPresentTime);
     }
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index cd6f9f5..b1849e8 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -27,7 +27,7 @@
 #include <vector>
 
 #include <android-base/thread_annotations.h>
-#include <ui/Fence.h>
+#include <ui/FenceTime.h>
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
 #pragma clang diagnostic push
@@ -134,6 +134,7 @@
     virtual status_t getDeviceCompositionChanges(
             HalDisplayId, bool frameUsesClientComposition,
             std::chrono::steady_clock::time_point earliestPresentTime,
+            const std::shared_ptr<FenceTime>& previousPresentFence,
             std::optional<DeviceRequestedChanges>* outChanges) = 0;
 
     virtual status_t setClientTarget(HalDisplayId, uint32_t slot, const sp<Fence>& acquireFence,
@@ -141,7 +142,8 @@
 
     // Present layers to the display and read releaseFences.
     virtual status_t presentAndGetReleaseFences(
-            HalDisplayId, std::chrono::steady_clock::time_point earliestPresentTime) = 0;
+            HalDisplayId, std::chrono::steady_clock::time_point earliestPresentTime,
+            const std::shared_ptr<FenceTime>& previousPresentFence) = 0;
 
     // set power mode
     virtual status_t setPowerMode(PhysicalDisplayId, hal::PowerMode) = 0;
@@ -275,6 +277,7 @@
     status_t getDeviceCompositionChanges(
             HalDisplayId, bool frameUsesClientComposition,
             std::chrono::steady_clock::time_point earliestPresentTime,
+            const std::shared_ptr<FenceTime>& previousPresentFence,
             std::optional<DeviceRequestedChanges>* outChanges) override;
 
     status_t setClientTarget(HalDisplayId, uint32_t slot, const sp<Fence>& acquireFence,
@@ -282,7 +285,8 @@
 
     // Present layers to the display and read releaseFences.
     status_t presentAndGetReleaseFences(
-            HalDisplayId, std::chrono::steady_clock::time_point earliestPresentTime) override;
+            HalDisplayId, std::chrono::steady_clock::time_point earliestPresentTime,
+            const std::shared_ptr<FenceTime>& previousPresentFence) override;
 
     // set power mode
     status_t setPowerMode(PhysicalDisplayId, hal::PowerMode mode) override;
diff --git a/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp b/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
index 901e19a..1765caf 100644
--- a/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
+++ b/services/surfaceflinger/DisplayHardware/PowerAdvisor.cpp
@@ -32,6 +32,7 @@
 #include "../SurfaceFlingerProperties.h"
 
 #include "PowerAdvisor.h"
+#include "SurfaceFlinger.h"
 
 namespace android {
 namespace Hwc2 {
@@ -61,14 +62,22 @@
 
 } // namespace
 
-PowerAdvisor::PowerAdvisor()
-      : mUseUpdateImminentTimer(getUpdateTimeout() > 0),
-        mUpdateImminentTimer(
+PowerAdvisor::PowerAdvisor(SurfaceFlinger& flinger)
+      : mFlinger(flinger),
+        mUseScreenUpdateTimer(getUpdateTimeout() > 0),
+        mScreenUpdateTimer(
                 "UpdateImminentTimer", OneShotTimer::Interval(getUpdateTimeout()),
                 /* resetCallback */ [this] { mSendUpdateImminent.store(false); },
-                /* timeoutCallback */ [this] { mSendUpdateImminent.store(true); }) {
-    if (mUseUpdateImminentTimer) {
-        mUpdateImminentTimer.start();
+                /* timeoutCallback */
+                [this] {
+                    mSendUpdateImminent.store(true);
+                    mFlinger.disableExpensiveRendering();
+                }) {}
+
+void PowerAdvisor::init() {
+    // Defer starting the screen update timer until SurfaceFlinger finishes construction.
+    if (mUseScreenUpdateTimer) {
+        mScreenUpdateTimer.start();
     }
 }
 
@@ -122,8 +131,8 @@
         }
     }
 
-    if (mUseUpdateImminentTimer) {
-        mUpdateImminentTimer.reset();
+    if (mUseScreenUpdateTimer) {
+        mScreenUpdateTimer.reset();
     }
 }
 
diff --git a/services/surfaceflinger/DisplayHardware/PowerAdvisor.h b/services/surfaceflinger/DisplayHardware/PowerAdvisor.h
index 95eb0e2..f2d0766 100644
--- a/services/surfaceflinger/DisplayHardware/PowerAdvisor.h
+++ b/services/surfaceflinger/DisplayHardware/PowerAdvisor.h
@@ -25,14 +25,20 @@
 #include "DisplayIdentification.h"
 
 namespace android {
+
+class SurfaceFlinger;
+
 namespace Hwc2 {
 
 class PowerAdvisor {
 public:
     virtual ~PowerAdvisor();
 
+    // Initializes resources that cannot be initialized on construction
+    virtual void init() = 0;
     virtual void onBootFinished() = 0;
     virtual void setExpensiveRenderingExpected(DisplayId displayId, bool expected) = 0;
+    virtual bool isUsingExpensiveRendering() = 0;
     virtual void notifyDisplayUpdateImminent() = 0;
 };
 
@@ -50,11 +56,13 @@
         virtual bool notifyDisplayUpdateImminent() = 0;
     };
 
-    PowerAdvisor();
+    PowerAdvisor(SurfaceFlinger& flinger);
     ~PowerAdvisor() override;
 
+    void init() override;
     void onBootFinished() override;
     void setExpensiveRenderingExpected(DisplayId displayId, bool expected) override;
+    bool isUsingExpensiveRendering() override { return mNotifiedExpensiveRendering; }
     void notifyDisplayUpdateImminent() override;
 
 private:
@@ -67,9 +75,10 @@
     std::unordered_set<DisplayId> mExpensiveDisplays;
     bool mNotifiedExpensiveRendering = false;
 
-    const bool mUseUpdateImminentTimer;
+    SurfaceFlinger& mFlinger;
+    const bool mUseScreenUpdateTimer;
     std::atomic_bool mSendUpdateImminent = true;
-    scheduler::OneShotTimer mUpdateImminentTimer;
+    scheduler::OneShotTimer mScreenUpdateTimer;
 };
 
 } // namespace impl
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index e2f3ebb..8df0852 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -310,6 +310,7 @@
 ui::PixelFormat SurfaceFlinger::wideColorGamutCompositionPixelFormat = ui::PixelFormat::RGBA_8888;
 bool SurfaceFlinger::useFrameRateApi;
 bool SurfaceFlinger::enableSdrDimming;
+bool SurfaceFlinger::enableLatchUnsignaled;
 
 std::string decodeDisplayColorSetting(DisplayColorSetting displayColorSetting) {
     switch(displayColorSetting) {
@@ -344,7 +345,8 @@
         mHwcServiceName(base::GetProperty("debug.sf.hwc_service_name"s, "default"s)),
         mTunnelModeEnabledReporter(new TunnelModeEnabledReporter()),
         mInternalDisplayDensity(getDensityFromProperty("ro.sf.lcd_density", true)),
-        mEmulatedDisplayDensity(getDensityFromProperty("qemu.sf.lcd_density", false)) {
+        mEmulatedDisplayDensity(getDensityFromProperty("qemu.sf.lcd_density", false)),
+        mPowerAdvisor(*this) {
     ALOGI("Using HWComposer service: %s", mHwcServiceName.c_str());
 
     mSetInputWindowsListener = new SetInputWindowsListener([&]() { setInputWindowsFinished(); });
@@ -479,6 +481,8 @@
 
     // Debug property overrides ro. property
     enableSdrDimming = property_get_bool("debug.sf.enable_sdr_dimming", enable_sdr_dimming(false));
+
+    enableLatchUnsignaled = base::GetBoolProperty("debug.sf.latch_unsignaled"s, false);
 }
 
 SurfaceFlinger::~SurfaceFlinger() = default;
@@ -816,6 +820,8 @@
     // set initial conditions (e.g. unblank default device)
     initializeDisplays();
 
+    mPowerAdvisor.init();
+
     char primeShaderCache[PROPERTY_VALUE_MAX];
     property_get("service.sf.prime_shader_cache", primeShaderCache, "1");
     if (atoi(primeShaderCache)) {
@@ -1183,6 +1189,10 @@
     updatePhaseConfiguration(refreshRate);
     ATRACE_INT("ActiveConfigFPS", refreshRate.getValue());
 
+    if (mRefreshRateOverlay) {
+        mRefreshRateOverlay->changeRefreshRate(upcomingMode->getFps());
+    }
+
     if (mUpcomingActiveMode.event != Scheduler::ModeEvent::None) {
         const nsecs_t vsyncPeriod = refreshRate.getPeriodNsecs();
         const auto physicalId = display->getPhysicalId();
@@ -1265,14 +1275,24 @@
     }
 
     mScheduler->onNewVsyncPeriodChangeTimeline(outTimeline);
-    if (mRefreshRateOverlay) {
-        mRefreshRateOverlay->changeRefreshRate(desiredMode->getFps());
-    }
 
     // Scheduler will submit an empty frame to HWC if needed.
     mSetActiveModePending = true;
 }
 
+void SurfaceFlinger::disableExpensiveRendering() {
+    schedule([=]() MAIN_THREAD {
+        ATRACE_CALL();
+        if (mPowerAdvisor.isUsingExpensiveRendering()) {
+            const auto& displays = ON_MAIN_THREAD(mDisplays);
+            for (const auto& [_, display] : displays) {
+                const static constexpr auto kDisable = false;
+                mPowerAdvisor.setExpensiveRenderingExpected(display->getId(), kDisable);
+            }
+        }
+    }).wait();
+}
+
 std::vector<ColorMode> SurfaceFlinger::getDisplayColorModes(PhysicalDisplayId displayId) {
     auto modes = getHwComposer().getColorModes(displayId);
     bool isInternalDisplay = displayId == getInternalDisplayIdLocked();
@@ -2070,6 +2090,7 @@
     const auto prevVsyncTime = mScheduler->getPreviousVsyncFrom(mExpectedPresentTime);
     const auto hwcMinWorkDuration = mVsyncConfiguration->getCurrentConfigs().hwcMinWorkDuration;
     refreshArgs.earliestPresentTime = prevVsyncTime - hwcMinWorkDuration;
+    refreshArgs.previousPresentFence = mPreviousPresentFences[0].fenceTime;
     refreshArgs.nextInvalidateTime = mEventQueue->nextExpectedInvalidate();
 
     mGeometryInvalid = false;
@@ -3571,7 +3592,7 @@
     for (const ComposerState& state : states) {
         const layer_state_t& s = state.state;
         const bool acquireFenceChanged = (s.what & layer_state_t::eAcquireFenceChanged);
-        if (acquireFenceChanged && s.acquireFence &&
+        if (acquireFenceChanged && s.acquireFence && !enableLatchUnsignaled &&
             s.acquireFence->getStatus() == Fence::Status::Unsignaled) {
             ATRACE_NAME("fence unsignaled");
             return false;
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index f33df86..644f76f 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -270,6 +270,8 @@
     // being treated as native display brightness
     static bool enableSdrDimming;
 
+    static bool enableLatchUnsignaled;
+
     // must be called before clients can connect
     void init() ANDROID_API;
 
@@ -329,6 +331,10 @@
     bool mDisableClientCompositionCache = false;
     void setInputWindowsFinished();
 
+    // Disables expensive rendering for all displays
+    // This is scheduled on the main thread
+    void disableExpensiveRendering();
+
 protected:
     // We're reference counted, never destroy SurfaceFlinger directly
     virtual ~SurfaceFlinger();
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h
index 7450b5d..159bdf1 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockPowerAdvisor.h
@@ -27,8 +27,10 @@
     PowerAdvisor();
     ~PowerAdvisor() override;
 
+    MOCK_METHOD0(init, void());
     MOCK_METHOD0(onBootFinished, void());
     MOCK_METHOD2(setExpensiveRenderingExpected, void(DisplayId displayId, bool expected));
+    MOCK_METHOD0(isUsingExpensiveRendering, bool());
     MOCK_METHOD0(notifyDisplayUpdateImminent, void());
 };