Merge "SurfaceFlinger: remove SurfaceControl level vsyncId setting" into sc-dev
diff --git a/cmds/atrace/atrace.cpp b/cmds/atrace/atrace.cpp
index 3184843..cedff0b 100644
--- a/cmds/atrace/atrace.cpp
+++ b/cmds/atrace/atrace.cpp
@@ -62,7 +62,7 @@
 
 using std::string;
 
-#define MAX_SYS_FILES 11
+#define MAX_SYS_FILES 12
 
 const char* k_traceTagsProperty = "debug.atrace.tags.enableflags";
 const char* k_userInitiatedTraceProperty = "debug.atrace.user_initiated";
@@ -177,6 +177,7 @@
         { OPT,      "events/power/suspend_resume/enable" },
         { OPT,      "events/cpuhp/cpuhp_enter/enable" },
         { OPT,      "events/cpuhp/cpuhp_exit/enable" },
+        { OPT,      "events/cpuhp/cpuhp_pause/enable" },
     } },
     { "membus",     "Memory Bus Utilization", 0, {
         { REQ,      "events/memory_bus/enable" },
diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index 006e532..37fc9a9 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -57,6 +57,8 @@
     chmod 0666 /sys/kernel/tracing/events/cpuhp/cpuhp_enter/enable
     chmod 0666 /sys/kernel/debug/tracing/events/cpuhp/cpuhp_exit/enable
     chmod 0666 /sys/kernel/tracing/events/cpuhp/cpuhp_exit/enable
+    chmod 0666 /sys/kernel/debug/tracing/events/cpuhp/cpuhp_pause/enable
+    chmod 0666 /sys/kernel/tracing/events/cpuhp/cpuhp_pause/enable
     chmod 0666 /sys/kernel/debug/tracing/events/power/gpu_frequency/enable
     chmod 0666 /sys/kernel/tracing/events/power/gpu_frequency/enable
     chmod 0666 /sys/kernel/debug/tracing/events/power/suspend_resume/enable
diff --git a/cmds/dumpstate/DumpPool.cpp b/cmds/dumpstate/DumpPool.cpp
index e15ac3f..c2c8a72 100644
--- a/cmds/dumpstate/DumpPool.cpp
+++ b/cmds/dumpstate/DumpPool.cpp
@@ -64,8 +64,8 @@
     if (shutdown_ || threads_.empty()) {
         return;
     }
-    while (!tasks_.empty()) tasks_.pop();
     futures_map_.clear();
+    while (!tasks_.empty()) tasks_.pop();
 
     shutdown_ = true;
     condition_variable_.notify_all();
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index a999c9f..7ab2a8d 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -3027,11 +3027,14 @@
 }
 
 void Dumpstate::MaybeSnapshotWinTrace() {
-    RunCommand(
-        // Empty name because it's not intended to be classified as a bugreport section.
-        // Actual tracing files can be found in "/data/misc/wmtrace/" in the bugreport.
-        "", {"cmd", "window", "tracing", "save-for-bugreport"},
-        CommandOptions::WithTimeout(10).Always().DropRoot().RedirectStderr().Build());
+    // Currently WindowManagerService and InputMethodManagerSerivice support WinScope protocol.
+    for (const auto& service : {"window", "input_method"}) {
+        RunCommand(
+            // Empty name because it's not intended to be classified as a bugreport section.
+            // Actual tracing files can be found in "/data/misc/wmtrace/" in the bugreport.
+            "", {"cmd", service, "tracing", "save-for-bugreport"},
+            CommandOptions::WithTimeout(10).Always().DropRoot().RedirectStderr().Build());
+    }
 }
 
 void Dumpstate::onUiIntensiveBugreportDumpsFinished(int32_t calling_uid) {
diff --git a/cmds/dumpstate/tests/dumpstate_test.cpp b/cmds/dumpstate/tests/dumpstate_test.cpp
index b2518ad..2c573e4 100644
--- a/cmds/dumpstate/tests/dumpstate_test.cpp
+++ b/cmds/dumpstate/tests/dumpstate_test.cpp
@@ -1762,6 +1762,27 @@
     EXPECT_THAT(getTempFileCounts(kTestDataPath), Eq(0));
 }
 
+TEST_F(DumpPoolTest, Shutdown_withoutCrash) {
+    bool run_1 = false;
+    auto dump_func_1 = [&]() {
+        run_1 = true;
+    };
+    auto dump_func = []() {
+        sleep(1);
+    };
+
+    dump_pool_->start(/* thread_counts = */1);
+    dump_pool_->enqueueTask(/* task_name = */"1", dump_func_1);
+    dump_pool_->enqueueTask(/* task_name = */"2", dump_func);
+    dump_pool_->enqueueTask(/* task_name = */"3", dump_func);
+    dump_pool_->enqueueTask(/* task_name = */"4", dump_func);
+    dump_pool_->waitForTask("1", "", out_fd_.get());
+    dump_pool_->shutdown();
+
+    EXPECT_TRUE(run_1);
+    EXPECT_THAT(getTempFileCounts(kTestDataPath), Eq(0));
+}
+
 class TaskQueueTest : public DumpstateBaseTest {
 public:
     void SetUp() {
diff --git a/headers/media_plugin/media/openmax/OMX_Core.h b/headers/media_plugin/media/openmax/OMX_Core.h
index 9ff934e..4b69130 100644
--- a/headers/media_plugin/media/openmax/OMX_Core.h
+++ b/headers/media_plugin/media/openmax/OMX_Core.h
@@ -556,6 +556,12 @@
      */
     OMX_EventConfigUpdate,
 
+    /**
+     * Event fired by a tunneled decoder when the first frame is decoded and
+     * ready to be rendered.
+     */
+    OMX_EventOnFirstTunnelFrameReady,
+
     OMX_EventMax = 0x7FFFFFFF
 } OMX_EVENTTYPE;
 
diff --git a/headers/media_plugin/media/openmax/OMX_IndexExt.h b/headers/media_plugin/media/openmax/OMX_IndexExt.h
index a427db7..07bd749 100644
--- a/headers/media_plugin/media/openmax/OMX_IndexExt.h
+++ b/headers/media_plugin/media/openmax/OMX_IndexExt.h
@@ -103,6 +103,7 @@
     OMX_IndexParamConsumerUsageBits,                /**< reference: OMX_PARAM_U32TYPE */
     OMX_IndexConfigLatency,                         /**< reference: OMX_PARAM_U32TYPE */
     OMX_IndexConfigLowLatency,                      /**< reference: OMX_CONFIG_BOOLEANTYPE */
+    OMX_IndexConfigAndroidTunnelPeek,               /**< reference: OMX_CONFIG_BOOLEANTYPE */
     OMX_IndexExtOtherEndUnused,
 
     /* Time configurations */
diff --git a/include/android/multinetwork.h b/include/android/multinetwork.h
index 424299d..fa77593 100644
--- a/include/android/multinetwork.h
+++ b/include/android/multinetwork.h
@@ -83,7 +83,7 @@
  *
  * To clear a previous process binding, invoke with NETWORK_UNSPECIFIED.
  *
- * This is the equivalent of: [android.net.ConnectivityManager#setProcessDefaultNetwork()](https://developer.android.com/reference/android/net/ConnectivityManager.html#setProcessDefaultNetwork(android.net.Network))
+ * This is the equivalent of: [android.net.ConnectivityManager#bindProcessToNetwork()](https://developer.android.com/reference/android/net/ConnectivityManager.html#bindProcessToNetwork(android.net.Network))
  *
  * Available since API level 23.
  */
@@ -91,6 +91,19 @@
 
 
 /**
+ * Gets the |network| bound to the current process, as per android_setprocnetwork.
+ *
+ * This is the equivalent of: [android.net.ConnectivityManager#getBoundNetworkForProcess()](https://developer.android.com/reference/android/net/ConnectivityManager.html#getBoundNetworkForProcess(android.net.Network))
+ * Returns 0 on success, or -1 setting errno to EINVAL if a null pointer is
+ * passed in.
+ *
+ *
+ * Available since API level 31.
+ */
+int android_getprocnetwork(net_handle_t *network) __INTRODUCED_IN(31);
+
+
+/**
  * Perform hostname resolution via the DNS servers associated with |network|.
  *
  * All arguments (apart from |network|) are used identically as those passed
diff --git a/libs/binder/include/binder/AppOpsManager.h b/libs/binder/include/binder/AppOpsManager.h
index 0386d66..eac1bb2 100644
--- a/libs/binder/include/binder/AppOpsManager.h
+++ b/libs/binder/include/binder/AppOpsManager.h
@@ -142,7 +142,8 @@
         OP_FINE_LOCATION_SOURCE = 108,
         OP_COARSE_LOCATION_SOURCE = 109,
         OP_MANAGE_MEDIA = 110,
-        _NUM_OP = 111
+        OP_BLUETOOTH_CONNECT = 111,
+        _NUM_OP = 112
     };
 
     AppOpsManager();
diff --git a/libs/binder/rust/src/binder.rs b/libs/binder/rust/src/binder.rs
index d53a88f..3899d47 100644
--- a/libs/binder/rust/src/binder.rs
+++ b/libs/binder/rust/src/binder.rs
@@ -33,13 +33,13 @@
 
 /// Binder action to perform.
 ///
-/// This must be a number between [`IBinder::FIRST_CALL_TRANSACTION`] and
-/// [`IBinder::LAST_CALL_TRANSACTION`].
+/// This must be a number between [`FIRST_CALL_TRANSACTION`] and
+/// [`LAST_CALL_TRANSACTION`].
 pub type TransactionCode = u32;
 
 /// Additional operation flags.
 ///
-/// `IBinder::FLAG_*` values.
+/// `FLAG_*` values.
 pub type TransactionFlags = u32;
 
 /// Super-trait for Binder interfaces.
@@ -85,20 +85,22 @@
     fn get_class() -> InterfaceClass;
 }
 
-/// Interface of binder local or remote objects.
+/// First transaction code available for user commands (inclusive)
+pub const FIRST_CALL_TRANSACTION: TransactionCode = sys::FIRST_CALL_TRANSACTION;
+/// Last transaction code available for user commands (inclusive)
+pub const LAST_CALL_TRANSACTION: TransactionCode = sys::LAST_CALL_TRANSACTION;
+
+/// Corresponds to TF_ONE_WAY -- an asynchronous call.
+pub const FLAG_ONEWAY: TransactionFlags = sys::FLAG_ONEWAY;
+/// Corresponds to TF_CLEAR_BUF -- clear transaction buffers after call is made.
+pub const FLAG_CLEAR_BUF: TransactionFlags = sys::FLAG_CLEAR_BUF;
+
+/// Internal interface of binder local or remote objects for making
+/// transactions.
 ///
-/// This trait corresponds to the interface of the C++ `IBinder` class.
-pub trait IBinder {
-    /// First transaction code available for user commands (inclusive)
-    const FIRST_CALL_TRANSACTION: TransactionCode = sys::FIRST_CALL_TRANSACTION;
-    /// Last transaction code available for user commands (inclusive)
-    const LAST_CALL_TRANSACTION: TransactionCode = sys::LAST_CALL_TRANSACTION;
-
-    /// Corresponds to TF_ONE_WAY -- an asynchronous call.
-    const FLAG_ONEWAY: TransactionFlags = sys::FLAG_ONEWAY;
-    /// Corresponds to TF_CLEAR_BUF -- clear transaction buffers after call is made.
-    const FLAG_CLEAR_BUF: TransactionFlags = sys::FLAG_CLEAR_BUF;
-
+/// This trait corresponds to the parts of the interface of the C++ `IBinder`
+/// class which are internal implementation details.
+pub trait IBinderInternal: IBinder {
     /// Is this object still alive?
     fn is_binder_alive(&self) -> bool;
 
@@ -122,19 +124,24 @@
     /// * `data` - [`Parcel`] with input data
     /// * `reply` - Optional [`Parcel`] for reply data
     /// * `flags` - Transaction flags, e.g. marking the transaction as
-    /// asynchronous ([`FLAG_ONEWAY`](IBinder::FLAG_ONEWAY))
+    ///   asynchronous ([`FLAG_ONEWAY`](FLAG_ONEWAY))
     fn transact<F: FnOnce(&mut Parcel) -> Result<()>>(
         &self,
         code: TransactionCode,
         flags: TransactionFlags,
         input_callback: F,
     ) -> Result<Parcel>;
+}
 
+/// Interface of binder local or remote objects.
+///
+/// This trait corresponds to the parts of the interface of the C++ `IBinder`
+/// class which are public.
+pub trait IBinder {
     /// Register the recipient for a notification if this binder
     /// goes away. If this binder object unexpectedly goes away
     /// (typically because its hosting process has been killed),
-    /// then DeathRecipient::binder_died() will be called with a reference
-    /// to this.
+    /// then the `DeathRecipient`'s callback will be called.
     ///
     /// You will only receive death notifications for remote binders,
     /// as local binders by definition can't die without you dying as well.
@@ -142,11 +149,6 @@
     /// INVALID_OPERATION code being returned and nothing happening.
     ///
     /// This link always holds a weak reference to its recipient.
-    ///
-    /// You will only receive a weak reference to the dead
-    /// binder. You should not try to promote this to a strong reference.
-    /// (Nor should you need to, as there is nothing useful you can
-    /// directly do with it now that it has passed on.)
     fn link_to_death(&mut self, recipient: &mut DeathRecipient) -> Result<()>;
 
     /// Remove a previously registered death notification.
@@ -222,7 +224,8 @@
             // the number of u16 elements before the null terminator.
 
             let raw_descriptor: *const c_char = sys::AIBinder_Class_getDescriptor(self.0);
-            CStr::from_ptr(raw_descriptor).to_str()
+            CStr::from_ptr(raw_descriptor)
+                .to_str()
                 .expect("Expected valid UTF-8 string from AIBinder_Class_getDescriptor")
                 .into()
         }
diff --git a/libs/binder/rust/src/lib.rs b/libs/binder/rust/src/lib.rs
index 43a237a..5bbd2a3 100644
--- a/libs/binder/rust/src/lib.rs
+++ b/libs/binder/rust/src/lib.rs
@@ -107,8 +107,9 @@
 pub mod parcel;
 
 pub use crate::binder::{
-    FromIBinder, IBinder, Interface, InterfaceClass, Remotable, Strong, TransactionCode,
-    TransactionFlags, Weak,
+    FromIBinder, IBinder, IBinderInternal, Interface, InterfaceClass, Remotable, Strong,
+    TransactionCode, TransactionFlags, Weak, FIRST_CALL_TRANSACTION, FLAG_CLEAR_BUF, FLAG_ONEWAY,
+    LAST_CALL_TRANSACTION,
 };
 pub use error::{status_t, ExceptionCode, Result, Status, StatusCode};
 pub use native::add_service;
@@ -123,8 +124,8 @@
     pub use super::parcel::ParcelFileDescriptor;
     pub use super::{add_service, get_interface};
     pub use super::{
-        ExceptionCode, Interface, ProcessState, SpIBinder, Status, StatusCode, Strong, ThreadState,
-        Weak, WpIBinder,
+        DeathRecipient, ExceptionCode, IBinder, Interface, ProcessState, SpIBinder, Status,
+        StatusCode, Strong, ThreadState, Weak, WpIBinder,
     };
 
     /// Binder result containing a [`Status`] on error.
diff --git a/libs/binder/rust/src/proxy.rs b/libs/binder/rust/src/proxy.rs
index 132e075..52036f5 100644
--- a/libs/binder/rust/src/proxy.rs
+++ b/libs/binder/rust/src/proxy.rs
@@ -17,7 +17,8 @@
 //! Rust API for interacting with a remote binder service.
 
 use crate::binder::{
-    AsNative, FromIBinder, IBinder, Interface, InterfaceClass, Strong, TransactionCode, TransactionFlags,
+    AsNative, FromIBinder, IBinder, IBinderInternal, Interface, InterfaceClass, Strong,
+    TransactionCode, TransactionFlags,
 };
 use crate::error::{status_result, Result, StatusCode};
 use crate::parcel::{
@@ -26,8 +27,8 @@
 };
 use crate::sys;
 
-use std::convert::TryInto;
 use std::cmp::Ordering;
+use std::convert::TryInto;
 use std::ffi::{c_void, CString};
 use std::fmt;
 use std::os::unix::io::AsRawFd;
@@ -211,7 +212,7 @@
     }
 }
 
-impl<T: AsNative<sys::AIBinder>> IBinder for T {
+impl<T: AsNative<sys::AIBinder>> IBinderInternal for T {
     /// Perform a binder transaction
     fn transact<F: FnOnce(&mut Parcel) -> Result<()>>(
         &self,
@@ -300,9 +301,7 @@
     }
 
     fn set_requesting_sid(&mut self, enable: bool) {
-        unsafe {
-            sys::AIBinder_setRequestingSid(self.as_native_mut(), enable)
-        };
+        unsafe { sys::AIBinder_setRequestingSid(self.as_native_mut(), enable) };
     }
 
     fn dump<F: AsRawFd>(&mut self, fp: &F, args: &[&str]) -> Result<()> {
@@ -351,7 +350,9 @@
         status_result(status)?;
         Ok(ibinder)
     }
+}
 
+impl<T: AsNative<sys::AIBinder>> IBinder for T {
     fn link_to_death(&mut self, recipient: &mut DeathRecipient) -> Result<()> {
         status_result(unsafe {
             // Safety: `SpIBinder` guarantees that `self` always contains a
@@ -472,7 +473,10 @@
             // WpIBinder object from it.
             sys::AIBinder_Weak_clone(self.0)
         };
-        assert!(!ptr.is_null(), "Unexpected null pointer from AIBinder_Weak_clone");
+        assert!(
+            !ptr.is_null(),
+            "Unexpected null pointer from AIBinder_Weak_clone"
+        );
         Self(ptr)
     }
 }
diff --git a/libs/binder/rust/tests/integration.rs b/libs/binder/rust/tests/integration.rs
index 719229c..60e3502 100644
--- a/libs/binder/rust/tests/integration.rs
+++ b/libs/binder/rust/tests/integration.rs
@@ -18,7 +18,10 @@
 
 use binder::declare_binder_interface;
 use binder::parcel::Parcel;
-use binder::{Binder, IBinder, Interface, SpIBinder, StatusCode, ThreadState, TransactionCode};
+use binder::{
+    Binder, IBinderInternal, Interface, StatusCode, ThreadState, TransactionCode,
+    FIRST_CALL_TRANSACTION,
+};
 use std::convert::{TryFrom, TryInto};
 
 /// Name of service runner.
@@ -83,7 +86,7 @@
 
 #[repr(u32)]
 enum TestTransactionCode {
-    Test = SpIBinder::FIRST_CALL_TRANSACTION,
+    Test = FIRST_CALL_TRANSACTION,
     GetSelinuxContext,
 }
 
@@ -196,7 +199,6 @@
 
 impl ITestSameDescriptor for Binder<BnTestSameDescriptor> {}
 
-
 #[cfg(test)]
 mod tests {
     use selinux_bindgen as selinux_sys;
@@ -209,9 +211,12 @@
     use std::thread;
     use std::time::Duration;
 
-    use binder::{Binder, DeathRecipient, FromIBinder, IBinder, Interface, SpIBinder, StatusCode, Strong};
+    use binder::{
+        Binder, DeathRecipient, FromIBinder, IBinder, IBinderInternal, Interface, SpIBinder,
+        StatusCode, Strong,
+    };
 
-    use super::{BnTest, ITest, ITestSameDescriptor, RUST_SERVICE_BINARY, TestService};
+    use super::{BnTest, ITest, ITestSameDescriptor, TestService, RUST_SERVICE_BINARY};
 
     pub struct ScopedServiceProcess(Child);
 
@@ -290,7 +295,9 @@
         };
         assert_eq!(
             test_client.get_selinux_context().unwrap(),
-            expected_context.to_str().expect("context was invalid UTF-8"),
+            expected_context
+                .to_str()
+                .expect("context was invalid UTF-8"),
         );
     }
 
@@ -479,18 +486,22 @@
 
         // This should succeed although we will have to treat the service as
         // remote.
-        let _interface: Strong<dyn ITestSameDescriptor> = FromIBinder::try_from(service.as_binder())
-            .expect("Could not re-interpret service as the ITestSameDescriptor interface");
+        let _interface: Strong<dyn ITestSameDescriptor> =
+            FromIBinder::try_from(service.as_binder())
+                .expect("Could not re-interpret service as the ITestSameDescriptor interface");
     }
 
     /// Test that we can round-trip a rust service through a generic IBinder
     #[test]
     fn reassociate_rust_binder() {
         let service_name = "testing_service";
-        let service_ibinder = BnTest::new_binder(TestService { s: service_name.to_string() })
-            .as_binder();
+        let service_ibinder = BnTest::new_binder(TestService {
+            s: service_name.to_string(),
+        })
+        .as_binder();
 
-        let service: Strong<dyn ITest> = service_ibinder.into_interface()
+        let service: Strong<dyn ITest> = service_ibinder
+            .into_interface()
             .expect("Could not reassociate the generic ibinder");
 
         assert_eq!(service.test().unwrap(), service_name);
@@ -499,7 +510,9 @@
     #[test]
     fn weak_binder_upgrade() {
         let service_name = "testing_service";
-        let service = BnTest::new_binder(TestService { s: service_name.to_string() });
+        let service = BnTest::new_binder(TestService {
+            s: service_name.to_string(),
+        });
 
         let weak = Strong::downgrade(&service);
 
@@ -512,7 +525,9 @@
     fn weak_binder_upgrade_dead() {
         let service_name = "testing_service";
         let weak = {
-            let service = BnTest::new_binder(TestService { s: service_name.to_string() });
+            let service = BnTest::new_binder(TestService {
+                s: service_name.to_string(),
+            });
 
             Strong::downgrade(&service)
         };
@@ -523,7 +538,9 @@
     #[test]
     fn weak_binder_clone() {
         let service_name = "testing_service";
-        let service = BnTest::new_binder(TestService { s: service_name.to_string() });
+        let service = BnTest::new_binder(TestService {
+            s: service_name.to_string(),
+        });
 
         let weak = Strong::downgrade(&service);
         let cloned = weak.clone();
@@ -539,8 +556,12 @@
     #[test]
     #[allow(clippy::eq_op)]
     fn binder_ord() {
-        let service1 = BnTest::new_binder(TestService { s: "testing_service1".to_string() });
-        let service2 = BnTest::new_binder(TestService { s: "testing_service2".to_string() });
+        let service1 = BnTest::new_binder(TestService {
+            s: "testing_service1".to_string(),
+        });
+        let service2 = BnTest::new_binder(TestService {
+            s: "testing_service2".to_string(),
+        });
 
         assert!(!(service1 < service1));
         assert!(!(service1 > service1));
diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index 5b1b975..8da97bb 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -130,8 +130,7 @@
 }
 
 BLASTBufferQueue::BLASTBufferQueue(const std::string& name, const sp<SurfaceControl>& surface,
-                                   int width, int height, int32_t format,
-                                   bool enableTripleBuffering)
+                                   int width, int height, int32_t format)
       : mName(name),
         mSurfaceControl(surface),
         mSize(width, height),
@@ -143,9 +142,8 @@
     // explicitly so that dequeueBuffer will block
     mProducer->setDequeueTimeout(std::numeric_limits<int64_t>::max());
 
-    if (enableTripleBuffering) {
-        mProducer->setMaxDequeuedBufferCount(2);
-    }
+    // safe default, most producers are expected to override this
+    mProducer->setMaxDequeuedBufferCount(2);
     mBufferItemConsumer = new BLASTBufferItemConsumer(mConsumer,
                                                       GraphicBuffer::USAGE_HW_COMPOSER |
                                                               GraphicBuffer::USAGE_HW_TEXTURE,
diff --git a/libs/gui/FrameTimelineInfo.cpp b/libs/gui/FrameTimelineInfo.cpp
index f400774..9231a57 100644
--- a/libs/gui/FrameTimelineInfo.cpp
+++ b/libs/gui/FrameTimelineInfo.cpp
@@ -21,6 +21,7 @@
 #include <android/os/IInputConstants.h>
 #include <gui/FrameTimelineInfo.h>
 #include <gui/LayerState.h>
+#include <private/gui/ParcelUtils.h>
 #include <utils/Errors.h>
 
 #include <cmath>
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index bb8124b..ceab6ec 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -28,6 +28,7 @@
 #include <gui/ISurfaceComposerClient.h>
 #include <gui/LayerDebugInfo.h>
 #include <gui/LayerState.h>
+#include <private/gui/ParcelUtils.h>
 #include <stdint.h>
 #include <sys/types.h>
 #include <system/graphics.h>
diff --git a/libs/gui/ITransactionCompletedListener.cpp b/libs/gui/ITransactionCompletedListener.cpp
index 9b5be1f..b42793b 100644
--- a/libs/gui/ITransactionCompletedListener.cpp
+++ b/libs/gui/ITransactionCompletedListener.cpp
@@ -17,9 +17,10 @@
 #define LOG_TAG "ITransactionCompletedListener"
 //#define LOG_NDEBUG 0
 
-#include <gui/LayerState.h>
 #include <gui/ISurfaceComposer.h>
 #include <gui/ITransactionCompletedListener.h>
+#include <gui/LayerState.h>
+#include <private/gui/ParcelUtils.h>
 
 namespace android {
 
diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp
index a84e741..d653ae7 100644
--- a/libs/gui/LayerState.cpp
+++ b/libs/gui/LayerState.cpp
@@ -23,6 +23,7 @@
 #include <gui/IGraphicBufferProducer.h>
 #include <gui/ISurfaceComposerClient.h>
 #include <gui/LayerState.h>
+#include <private/gui/ParcelUtils.h>
 #include <utils/Errors.h>
 
 #include <cmath>
diff --git a/libs/gui/ScreenCaptureResults.cpp b/libs/gui/ScreenCaptureResults.cpp
index f3849bc..e91f74f 100644
--- a/libs/gui/ScreenCaptureResults.cpp
+++ b/libs/gui/ScreenCaptureResults.cpp
@@ -16,6 +16,8 @@
 
 #include <gui/ScreenCaptureResults.h>
 
+#include <private/gui/ParcelUtils.h>
+
 namespace android::gui {
 
 status_t ScreenCaptureResults::writeToParcel(android::Parcel* parcel) const {
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index eaccc5b..d7b2c2e 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -39,6 +39,7 @@
 #include <gui/LayerState.h>
 #include <gui/Surface.h>
 #include <gui/SurfaceComposerClient.h>
+#include <private/gui/ParcelUtils.h>
 #include <ui/DisplayMode.h>
 #include <ui/DynamicDisplayInfo.h>
 
@@ -291,8 +292,11 @@
                 // callback and a release buffer callback happening at the same time to avoid an
                 // additional ipc call from the server.
                 if (surfaceStats.previousBufferId) {
-                    ReleaseBufferCallback callback =
-                            popReleaseBufferCallbackLocked(surfaceStats.previousBufferId);
+                    ReleaseBufferCallback callback;
+                    {
+                        std::scoped_lock<std::mutex> lock(mMutex);
+                        callback = popReleaseBufferCallbackLocked(surfaceStats.previousBufferId);
+                    }
                     if (callback) {
                         callback(surfaceStats.previousBufferId,
                                  surfaceStats.previousReleaseFence
@@ -470,9 +474,8 @@
         mForceSynchronous(other.mForceSynchronous),
         mTransactionNestCount(other.mTransactionNestCount),
         mAnimation(other.mAnimation),
-        mEarlyWakeup(other.mEarlyWakeup),
-        mExplicitEarlyWakeupStart(other.mExplicitEarlyWakeupStart),
-        mExplicitEarlyWakeupEnd(other.mExplicitEarlyWakeupEnd),
+        mEarlyWakeupStart(other.mEarlyWakeupStart),
+        mEarlyWakeupEnd(other.mEarlyWakeupEnd),
         mContainsBuffer(other.mContainsBuffer),
         mDesiredPresentTime(other.mDesiredPresentTime),
         mIsAutoTimestamp(other.mIsAutoTimestamp),
@@ -501,9 +504,8 @@
     const uint32_t forceSynchronous = parcel->readUint32();
     const uint32_t transactionNestCount = parcel->readUint32();
     const bool animation = parcel->readBool();
-    const bool earlyWakeup = parcel->readBool();
-    const bool explicitEarlyWakeupStart = parcel->readBool();
-    const bool explicitEarlyWakeupEnd = parcel->readBool();
+    const bool earlyWakeupStart = parcel->readBool();
+    const bool earlyWakeupEnd = parcel->readBool();
     const bool containsBuffer = parcel->readBool();
     const int64_t desiredPresentTime = parcel->readInt64();
     const bool isAutoTimestamp = parcel->readBool();
@@ -578,9 +580,8 @@
     mForceSynchronous = forceSynchronous;
     mTransactionNestCount = transactionNestCount;
     mAnimation = animation;
-    mEarlyWakeup = earlyWakeup;
-    mExplicitEarlyWakeupStart = explicitEarlyWakeupStart;
-    mExplicitEarlyWakeupEnd = explicitEarlyWakeupEnd;
+    mEarlyWakeupStart = earlyWakeupStart;
+    mEarlyWakeupEnd = earlyWakeupEnd;
     mContainsBuffer = containsBuffer;
     mDesiredPresentTime = desiredPresentTime;
     mIsAutoTimestamp = isAutoTimestamp;
@@ -610,9 +611,8 @@
     parcel->writeUint32(mForceSynchronous);
     parcel->writeUint32(mTransactionNestCount);
     parcel->writeBool(mAnimation);
-    parcel->writeBool(mEarlyWakeup);
-    parcel->writeBool(mExplicitEarlyWakeupStart);
-    parcel->writeBool(mExplicitEarlyWakeupEnd);
+    parcel->writeBool(mEarlyWakeupStart);
+    parcel->writeBool(mEarlyWakeupEnd);
     parcel->writeBool(mContainsBuffer);
     parcel->writeInt64(mDesiredPresentTime);
     parcel->writeBool(mIsAutoTimestamp);
@@ -690,9 +690,8 @@
     mInputWindowCommands.merge(other.mInputWindowCommands);
 
     mContainsBuffer |= other.mContainsBuffer;
-    mEarlyWakeup = mEarlyWakeup || other.mEarlyWakeup;
-    mExplicitEarlyWakeupStart = mExplicitEarlyWakeupStart || other.mExplicitEarlyWakeupStart;
-    mExplicitEarlyWakeupEnd = mExplicitEarlyWakeupEnd || other.mExplicitEarlyWakeupEnd;
+    mEarlyWakeupStart = mEarlyWakeupStart || other.mEarlyWakeupStart;
+    mEarlyWakeupEnd = mEarlyWakeupEnd || other.mEarlyWakeupEnd;
     mApplyToken = other.mApplyToken;
 
     mFrameTimelineInfo.merge(other.mFrameTimelineInfo);
@@ -710,9 +709,8 @@
     mForceSynchronous = 0;
     mTransactionNestCount = 0;
     mAnimation = false;
-    mEarlyWakeup = false;
-    mExplicitEarlyWakeupStart = false;
-    mExplicitEarlyWakeupEnd = false;
+    mEarlyWakeupStart = false;
+    mEarlyWakeupEnd = false;
     mDesiredPresentTime = 0;
     mIsAutoTimestamp = true;
     mFrameTimelineInfo.clear();
@@ -831,17 +829,14 @@
     if (mAnimation) {
         flags |= ISurfaceComposer::eAnimation;
     }
-    if (mEarlyWakeup) {
-        flags |= ISurfaceComposer::eEarlyWakeup;
-    }
 
-    // If both mExplicitEarlyWakeupStart and mExplicitEarlyWakeupEnd are set
+    // If both mEarlyWakeupStart and mEarlyWakeupEnd are set
     // it is equivalent for none
-    if (mExplicitEarlyWakeupStart && !mExplicitEarlyWakeupEnd) {
-        flags |= ISurfaceComposer::eExplicitEarlyWakeupStart;
+    if (mEarlyWakeupStart && !mEarlyWakeupEnd) {
+        flags |= ISurfaceComposer::eEarlyWakeupStart;
     }
-    if (mExplicitEarlyWakeupEnd && !mExplicitEarlyWakeupStart) {
-        flags |= ISurfaceComposer::eExplicitEarlyWakeupEnd;
+    if (mEarlyWakeupEnd && !mEarlyWakeupStart) {
+        flags |= ISurfaceComposer::eEarlyWakeupEnd;
     }
 
     sp<IBinder> applyToken = mApplyToken
@@ -892,16 +887,12 @@
     mAnimation = true;
 }
 
-void SurfaceComposerClient::Transaction::setEarlyWakeup() {
-    mEarlyWakeup = true;
+void SurfaceComposerClient::Transaction::setEarlyWakeupStart() {
+    mEarlyWakeupStart = true;
 }
 
-void SurfaceComposerClient::Transaction::setExplicitEarlyWakeupStart() {
-    mExplicitEarlyWakeupStart = true;
-}
-
-void SurfaceComposerClient::Transaction::setExplicitEarlyWakeupEnd() {
-    mExplicitEarlyWakeupEnd = true;
+void SurfaceComposerClient::Transaction::setEarlyWakeupEnd() {
+    mEarlyWakeupEnd = true;
 }
 
 layer_state_t* SurfaceComposerClient::Transaction::getLayerState(const sp<SurfaceControl>& sc) {
diff --git a/libs/gui/SurfaceControl.cpp b/libs/gui/SurfaceControl.cpp
index 1dcfe2e..7e2f8f9 100644
--- a/libs/gui/SurfaceControl.cpp
+++ b/libs/gui/SurfaceControl.cpp
@@ -39,6 +39,7 @@
 #include <gui/Surface.h>
 #include <gui/SurfaceComposerClient.h>
 #include <gui/SurfaceControl.h>
+#include <private/gui/ParcelUtils.h>
 
 namespace android {
 
diff --git a/libs/gui/include/gui/BLASTBufferQueue.h b/libs/gui/include/gui/BLASTBufferQueue.h
index 0173ffd..fbd16f4 100644
--- a/libs/gui/include/gui/BLASTBufferQueue.h
+++ b/libs/gui/include/gui/BLASTBufferQueue.h
@@ -74,7 +74,7 @@
 {
 public:
     BLASTBufferQueue(const std::string& name, const sp<SurfaceControl>& surface, int width,
-                     int height, int32_t format, bool enableTripleBuffering = true);
+                     int height, int32_t format);
 
     sp<IGraphicBufferProducer> getIGraphicBufferProducer() const {
         return mProducer;
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index 2a9e3f7..35990d1 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -90,18 +90,15 @@
         eSynchronous = 0x01,
         eAnimation = 0x02,
 
-        // DEPRECATED - use eExplicitEarlyWakeup[Start|End]
-        eEarlyWakeup = 0x04,
-
         // Explicit indication that this transaction and others to follow will likely result in a
         // lot of layers being composed, and thus, SurfaceFlinger should wake-up earlier to avoid
         // missing frame deadlines. In this case SurfaceFlinger will wake up at
         // (sf vsync offset - debug.sf.early_phase_offset_ns). SurfaceFlinger will continue to be
-        // in the early configuration until it receives eExplicitEarlyWakeupEnd. These flags are
+        // in the early configuration until it receives eEarlyWakeupEnd. These flags are
         // expected to be used by WindowManager only and are guarded by
         // android.permission.ACCESS_SURFACE_FLINGER
-        eExplicitEarlyWakeupStart = 0x08,
-        eExplicitEarlyWakeupEnd = 0x10,
+        eEarlyWakeupStart = 0x08,
+        eEarlyWakeupEnd = 0x10,
     };
 
     enum VsyncSource {
diff --git a/libs/gui/include/gui/LayerState.h b/libs/gui/include/gui/LayerState.h
index 4a52168..9274777 100644
--- a/libs/gui/include/gui/LayerState.h
+++ b/libs/gui/include/gui/LayerState.h
@@ -16,23 +16,7 @@
 
 #ifndef ANDROID_SF_LAYER_STATE_H
 #define ANDROID_SF_LAYER_STATE_H
-#define SAFE_PARCEL(FUNC, ...)                                                            \
-    {                                                                                     \
-        status_t error = FUNC(__VA_ARGS__);                                               \
-        if (error) {                                                                      \
-            ALOGE("ERROR(%d). Failed to call parcel %s(%s)", error, #FUNC, #__VA_ARGS__); \
-            return error;                                                                 \
-        }                                                                                 \
-    }
 
-#define SAFE_PARCEL_READ_SIZE(FUNC, COUNT, SIZE)                             \
-    {                                                                        \
-        SAFE_PARCEL(FUNC, COUNT);                                            \
-        if (static_cast<unsigned int>(*COUNT) > SIZE) {                      \
-            ALOGE("ERROR(BAD_VALUE). %s was greater than dataSize", #COUNT); \
-            return BAD_VALUE;                                                \
-        }                                                                    \
-    }
 
 #include <stdint.h>
 #include <sys/types.h>
diff --git a/libs/gui/include/gui/ScreenCaptureResults.h b/libs/gui/include/gui/ScreenCaptureResults.h
index 0ccc6e8..99c35c1 100644
--- a/libs/gui/include/gui/ScreenCaptureResults.h
+++ b/libs/gui/include/gui/ScreenCaptureResults.h
@@ -16,15 +16,6 @@
 
 #pragma once
 
-#define SAFE_PARCEL(FUNC, ...)                                                            \
-    {                                                                                     \
-        status_t error = FUNC(__VA_ARGS__);                                               \
-        if (error) {                                                                      \
-            ALOGE("ERROR(%d). Failed to call parcel %s(%s)", error, #FUNC, #__VA_ARGS__); \
-            return error;                                                                 \
-        }                                                                                 \
-    }
-
 #include <binder/Parcel.h>
 #include <binder/Parcelable.h>
 #include <ui/Fence.h>
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index ae7170e..a643e9e 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -353,9 +353,8 @@
         uint32_t mForceSynchronous = 0;
         uint32_t mTransactionNestCount = 0;
         bool mAnimation = false;
-        bool mEarlyWakeup = false;
-        bool mExplicitEarlyWakeupStart = false;
-        bool mExplicitEarlyWakeupEnd = false;
+        bool mEarlyWakeupStart = false;
+        bool mEarlyWakeupEnd = false;
 
         // Indicates that the Transaction contains a buffer that should be cached
         bool mContainsBuffer = false;
@@ -564,9 +563,8 @@
                                   const Rect& layerStackRect, const Rect& displayRect);
         void setDisplaySize(const sp<IBinder>& token, uint32_t width, uint32_t height);
         void setAnimationTransaction();
-        void setEarlyWakeup();
-        void setExplicitEarlyWakeupStart();
-        void setExplicitEarlyWakeupEnd();
+        void setEarlyWakeupStart();
+        void setEarlyWakeupEnd();
     };
 
     status_t clearLayerFrameStats(const sp<IBinder>& token) const;
diff --git a/libs/gui/include/private/gui/ParcelUtils.h b/libs/gui/include/private/gui/ParcelUtils.h
new file mode 100644
index 0000000..1cdd07e
--- /dev/null
+++ b/libs/gui/include/private/gui/ParcelUtils.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <cstring>
+
+#define SAFE_PARCEL(FUNC, ...)                                                                   \
+    {                                                                                            \
+        status_t error = FUNC(__VA_ARGS__);                                                      \
+        if (error) {                                                                             \
+            ALOGE("ERROR(%s, %d). Failed to call parcel %s(%s)", strerror(-error), error, #FUNC, \
+                  #__VA_ARGS__);                                                                 \
+            return error;                                                                        \
+        }                                                                                        \
+    }
+
+#define SAFE_PARCEL_READ_SIZE(FUNC, COUNT, SIZE)                             \
+    {                                                                        \
+        SAFE_PARCEL(FUNC, COUNT);                                            \
+        if (static_cast<unsigned int>(*COUNT) > SIZE) {                      \
+            ALOGE("ERROR(BAD_VALUE). %s was greater than dataSize", #COUNT); \
+            return BAD_VALUE;                                                \
+        }                                                                    \
+    }
\ No newline at end of file
diff --git a/libs/renderengine/skia/SkiaGLRenderEngine.cpp b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
index f76bfa2..afdcd76 100644
--- a/libs/renderengine/skia/SkiaGLRenderEngine.cpp
+++ b/libs/renderengine/skia/SkiaGLRenderEngine.cpp
@@ -298,11 +298,9 @@
 }
 
 SkiaGLRenderEngine::~SkiaGLRenderEngine() {
-    std::lock_guard<std::mutex> lock(mRenderingMutex);
-    mRuntimeEffects.clear();
-    mProtectedTextureCache.clear();
-    mTextureCache.clear();
+    cleanFramebufferCache();
 
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
     if (mBlurFilter) {
         delete mBlurFilter;
     }
@@ -797,6 +795,8 @@
             const auto rect = layer->geometry.roundedCornersRadius > 0
                     ? getSkRect(layer->geometry.roundedCornersCrop)
                     : bounds;
+            // This would require a new parameter/flag to SkShadowUtils::DrawShadow
+            LOG_ALWAYS_FATAL_IF(layer->disableBlending, "Cannot disableBlending with a shadow");
             drawShadow(canvas, rect, layer->geometry.roundedCornersRadius, layer->shadow);
             continue;
         }
@@ -806,7 +806,7 @@
                  needsToneMapping(layer->sourceDataspace, display.outputDataspace));
 
         // quick abort from drawing the remaining portion of the layer
-        if (layer->alpha == 0 && !requiresLinearEffect &&
+        if (layer->alpha == 0 && !requiresLinearEffect && !layer->disableBlending &&
             (!displayColorTransform || displayColorTransform->isAlphaUnchanged())) {
             continue;
         }
@@ -912,6 +912,10 @@
                                                       requiresLinearEffect));
         }
 
+        if (layer->disableBlending) {
+            paint.setBlendMode(SkBlendMode::kSrc);
+        }
+
         paint.setColorFilter(displayColorTransform);
 
         if (layer->geometry.roundedCornersRadius > 0) {
@@ -1137,7 +1141,14 @@
     return eglCreatePbufferSurface(display, placeholderConfig, attributes.data());
 }
 
-void SkiaGLRenderEngine::cleanFramebufferCache() {}
+void SkiaGLRenderEngine::cleanFramebufferCache() {
+    // TODO(b/180767535) Remove this method and use b/180767535 instead, which would allow
+    // SF to control texture lifecycle more tightly rather than through custom hooks into RE.
+    std::lock_guard<std::mutex> lock(mRenderingMutex);
+    mRuntimeEffects.clear();
+    mProtectedTextureCache.clear();
+    mTextureCache.clear();
+}
 
 int SkiaGLRenderEngine::getContextPriority() {
     int value;
diff --git a/libs/renderengine/tests/RenderEngineTest.cpp b/libs/renderengine/tests/RenderEngineTest.cpp
index 500a90b..7846156 100644
--- a/libs/renderengine/tests/RenderEngineTest.cpp
+++ b/libs/renderengine/tests/RenderEngineTest.cpp
@@ -1920,6 +1920,83 @@
                       0, 255, 0, 255);
 }
 
+TEST_P(RenderEngineTest, testClear) {
+    initializeRenderEngine();
+
+    const auto rect = fullscreenRect();
+    const renderengine::DisplaySettings display{
+            .physicalDisplay = rect,
+            .clip = rect,
+    };
+
+    const renderengine::LayerSettings redLayer{
+            .geometry.boundaries = rect.toFloatRect(),
+            .source.solidColor = half3(1.0f, 0.0f, 0.0f),
+            .alpha = 1.0f,
+    };
+
+    // This mimics prepareClearClientComposition. This layer should overwrite
+    // the redLayer, so that the buffer is transparent, rather than red.
+    const renderengine::LayerSettings clearLayer{
+            .geometry.boundaries = rect.toFloatRect(),
+            .source.solidColor = half3(0.0f, 0.0f, 0.0f),
+            .alpha = 0.0f,
+            .disableBlending = true,
+    };
+
+    std::vector<const renderengine::LayerSettings*> layers{&redLayer, &clearLayer};
+    invokeDraw(display, layers);
+    expectBufferColor(rect, 0, 0, 0, 0);
+}
+
+TEST_P(RenderEngineTest, testDisableBlendingBuffer) {
+    initializeRenderEngine();
+
+    const auto rect = Rect(0, 0, 1, 1);
+    const renderengine::DisplaySettings display{
+            .physicalDisplay = rect,
+            .clip = rect,
+    };
+
+    const renderengine::LayerSettings redLayer{
+            .geometry.boundaries = rect.toFloatRect(),
+            .source.solidColor = half3(1.0f, 0.0f, 0.0f),
+            .alpha = 1.0f,
+    };
+
+    // The next layer will overwrite redLayer with a GraphicBuffer that is green
+    // applied with a translucent alpha.
+    auto buf = allocateSourceBuffer(1, 1);
+    {
+        uint8_t* pixels;
+        buf->lock(GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN,
+                  reinterpret_cast<void**>(&pixels));
+        pixels[0] = 0;
+        pixels[1] = 255;
+        pixels[2] = 0;
+        pixels[3] = 255;
+        buf->unlock();
+    }
+
+    const renderengine::LayerSettings greenLayer{
+            .geometry.boundaries = rect.toFloatRect(),
+            .source =
+                    renderengine::PixelSource{
+                            .buffer =
+                                    renderengine::Buffer{
+                                            .buffer = buf,
+                                            .usePremultipliedAlpha = true,
+                                    },
+                    },
+            .alpha = 0.5f,
+            .disableBlending = true,
+    };
+
+    std::vector<const renderengine::LayerSettings*> layers{&redLayer, &greenLayer};
+    invokeDraw(display, layers);
+    expectBufferColor(rect, 0, 128, 0, 128);
+}
+
 } // namespace android
 
 // TODO(b/129481165): remove the #pragma below and fix conversion issues
diff --git a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
index b2ddb42..7bd0c6b 100644
--- a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
+++ b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
@@ -113,6 +113,8 @@
 
     void setPointerCapture(bool enabled) override {}
 
+    void notifyDropWindow(const sp<IBinder>&, float x, float y) override {}
+
     InputDispatcherConfiguration mConfig;
 };
 
diff --git a/services/inputflinger/dispatcher/Entry.h b/services/inputflinger/dispatcher/Entry.h
index e5fb26c..f3ef64b 100644
--- a/services/inputflinger/dispatcher/Entry.h
+++ b/services/inputflinger/dispatcher/Entry.h
@@ -287,6 +287,8 @@
     int32_t pid;
     nsecs_t consumeTime; // time when the event was consumed by InputConsumer
     int32_t displayId;
+    float x;
+    float y;
 };
 
 } // namespace android::inputdispatcher
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index fe46d17..397a9d7 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -2345,6 +2345,10 @@
         }
     } else if (maskedAction == AMOTION_EVENT_ACTION_UP ||
                maskedAction == AMOTION_EVENT_ACTION_CANCEL) {
+        if (state.dragHoverWindowHandle && maskedAction == AMOTION_EVENT_ACTION_UP) {
+            vec2 local = state.dragHoverWindowHandle->getInfo()->transform.transform(x, y);
+            notifyDropWindowLocked(state.dragHoverWindowHandle->getToken(), local.x, local.y);
+        }
         state.dragWindow = nullptr;
         state.dragHoverWindowHandle = nullptr;
     }
@@ -5302,6 +5306,15 @@
     postCommandLocked(std::move(commandEntry));
 }
 
+void InputDispatcher::notifyDropWindowLocked(const sp<IBinder>& token, float x, float y) {
+    std::unique_ptr<CommandEntry> commandEntry =
+            std::make_unique<CommandEntry>(&InputDispatcher::doNotifyDropWindowLockedInterruptible);
+    commandEntry->newToken = token;
+    commandEntry->x = x;
+    commandEntry->y = y;
+    postCommandLocked(std::move(commandEntry));
+}
+
 void InputDispatcher::onAnrLocked(const sp<Connection>& connection) {
     if (connection == nullptr) {
         LOG_ALWAYS_FATAL("Caller must check for nullness");
@@ -5411,6 +5424,13 @@
     mLock.lock();
 }
 
+void InputDispatcher::doNotifyDropWindowLockedInterruptible(CommandEntry* commandEntry) {
+    sp<IBinder> newToken = commandEntry->newToken;
+    mLock.unlock();
+    mPolicy->notifyDropWindow(newToken, commandEntry->x, commandEntry->y);
+    mLock.lock();
+}
+
 void InputDispatcher::doNotifyNoFocusedWindowAnrLockedInterruptible(CommandEntry* commandEntry) {
     mLock.unlock();
 
diff --git a/services/inputflinger/dispatcher/InputDispatcher.h b/services/inputflinger/dispatcher/InputDispatcher.h
index b2f3625..593ec23 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.h
+++ b/services/inputflinger/dispatcher/InputDispatcher.h
@@ -592,6 +592,7 @@
     void onFocusChangedLocked(const FocusResolver::FocusChanges& changes) REQUIRES(mLock);
     void notifyFocusChangedLocked(const sp<IBinder>& oldFocus, const sp<IBinder>& newFocus)
             REQUIRES(mLock);
+    void notifyDropWindowLocked(const sp<IBinder>& token, float x, float y) REQUIRES(mLock);
     void onAnrLocked(const sp<Connection>& connection) REQUIRES(mLock);
     void onAnrLocked(std::shared_ptr<InputApplicationHandle> application) REQUIRES(mLock);
     void onUntrustedTouchLocked(const std::string& obscuringPackage) REQUIRES(mLock);
@@ -607,6 +608,8 @@
             REQUIRES(mLock);
     void doNotifyInputChannelBrokenLockedInterruptible(CommandEntry* commandEntry) REQUIRES(mLock);
     void doNotifyFocusChangedLockedInterruptible(CommandEntry* commandEntry) REQUIRES(mLock);
+    void doNotifyDropWindowLockedInterruptible(CommandEntry* commandEntry) REQUIRES(mLock);
+
     // ANR-related callbacks - start
     void doNotifyNoFocusedWindowAnrLockedInterruptible(CommandEntry* commandEntry) REQUIRES(mLock);
     void doNotifyWindowUnresponsiveLockedInterruptible(CommandEntry* commandEntry) REQUIRES(mLock);
diff --git a/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h b/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
index 439d85e..219f45a 100644
--- a/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
+++ b/services/inputflinger/dispatcher/include/InputDispatcherPolicyInterface.h
@@ -157,6 +157,9 @@
      * InputDispatcher is solely responsible for updating the Pointer Capture state.
      */
     virtual void setPointerCapture(bool enabled) = 0;
+
+    /* Notifies the policy that the drag window has moved over to another window */
+    virtual void notifyDropWindow(const sp<IBinder>& token, float x, float y) = 0;
 };
 
 } // namespace android
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index 32f9b69..cedda6e 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -266,6 +266,11 @@
         mPointerCaptureEnabled.reset();
     }
 
+    void assertDropTargetEquals(const sp<IBinder>& targetToken) {
+        std::scoped_lock lock(mLock);
+        ASSERT_EQ(targetToken, mDropTargetWindowToken);
+    }
+
 private:
     std::mutex mLock;
     std::unique_ptr<InputEvent> mFilteredEvent GUARDED_BY(mLock);
@@ -284,6 +289,8 @@
     std::queue<int32_t> mResponsiveMonitorPids GUARDED_BY(mLock);
     std::condition_variable mNotifyAnr;
 
+    sp<IBinder> mDropTargetWindowToken GUARDED_BY(mLock);
+
     void notifyConfigurationChanged(nsecs_t when) override {
         std::scoped_lock lock(mLock);
         mConfigurationChangedTime = when;
@@ -392,6 +399,11 @@
         mPointerCaptureChangedCondition.notify_all();
     }
 
+    void notifyDropWindow(const sp<IBinder>& token, float x, float y) override {
+        std::scoped_lock lock(mLock);
+        mDropTargetWindowToken = token;
+    }
+
     void assertFilterInputEventWasCalled(int type, nsecs_t eventTime, int32_t action,
                                          int32_t displayId) {
         std::scoped_lock lock(mLock);
@@ -4789,4 +4801,36 @@
     mSecondWindow->assertNoEvents();
 }
 
+TEST_F(InputDispatcherDragTests, DragAndDrop) {
+    performDrag();
+
+    // Move on window.
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, AMOTION_EVENT_ACTION_MOVE, AINPUT_SOURCE_TOUCHSCREEN,
+                                ADISPLAY_ID_DEFAULT, {50, 50}))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    mDragWindow->consumeMotionMove(ADISPLAY_ID_DEFAULT);
+    mWindow->consumeDragEvent(false, 50, 50);
+    mSecondWindow->assertNoEvents();
+
+    // Move to another window.
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, AMOTION_EVENT_ACTION_MOVE, AINPUT_SOURCE_TOUCHSCREEN,
+                                ADISPLAY_ID_DEFAULT, {150, 50}))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    mDragWindow->consumeMotionMove(ADISPLAY_ID_DEFAULT);
+    mWindow->consumeDragEvent(true, 150, 50);
+    mSecondWindow->consumeDragEvent(false, 50, 50);
+
+    // drop to another window.
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionUp(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
+                             {150, 50}))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    mDragWindow->consumeMotionUp(ADISPLAY_ID_DEFAULT);
+    mFakePolicy->assertDropTargetEquals(mSecondWindow->getToken());
+    mWindow->assertNoEvents();
+    mSecondWindow->assertNoEvents();
+}
+
 } // namespace android::inputdispatcher
diff --git a/services/sensorservice/SensorEventConnection.cpp b/services/sensorservice/SensorEventConnection.cpp
index 5225dd7..9ce8d9b 100644
--- a/services/sensorservice/SensorEventConnection.cpp
+++ b/services/sensorservice/SensorEventConnection.cpp
@@ -287,29 +287,6 @@
     }
 }
 
-// TODO(b/179649922): A better algorithm to guarantee that capped connections will get a sampling
-// rate close to 200 Hz. With the current algorithm, apps might be punished unfairly: E.g.,two apps
-// make requests to the sensor service at the same time, one is not capped and uses 250 Hz, and one
-//is capped, the capped connection will only get 125 Hz.
-void SensorService::SensorEventConnection::addSensorEventsToBuffer(bool shouldResample,
-    const sensors_event_t& sensorEvent, sensors_event_t* buffer, int* index) {
-    if (!shouldResample || !mService->isSensorInCappedSet(sensorEvent.type)) {
-        buffer[(*index)++] = sensorEvent;
-    } else {
-        int64_t lastTimestamp = -1;
-        auto entry = mSensorLastTimestamp.find(sensorEvent.sensor);
-        if (entry != mSensorLastTimestamp.end()) {
-            lastTimestamp = entry->second;
-        }
-        // Allow 10% headroom here because the clocks are not perfect.
-        if (lastTimestamp == -1  || sensorEvent.timestamp - lastTimestamp
-                                        >= 0.9 * SENSOR_SERVICE_CAPPED_SAMPLING_PERIOD_NS) {
-            mSensorLastTimestamp[sensorEvent.sensor] = sensorEvent.timestamp;
-            buffer[(*index)++] = sensorEvent;
-        }
-    }
-}
-
 status_t SensorService::SensorEventConnection::sendEvents(
         sensors_event_t const* buffer, size_t numEvents,
         sensors_event_t* scratch,
@@ -318,8 +295,6 @@
 
     std::unique_ptr<sensors_event_t[]> sanitizedBuffer;
 
-    bool shouldResample = mService->isMicSensorPrivacyEnabledForUid(mUid) ||
-                            mIsRateCappedBasedOnPermission;
     int count = 0;
     Mutex::Autolock _l(mConnectionLock);
     if (scratch) {
@@ -373,7 +348,7 @@
                     // Regular sensor event, just copy it to the scratch buffer after checking
                     // the AppOp.
                     if (hasSensorAccess() && noteOpIfRequired(buffer[i])) {
-                        addSensorEventsToBuffer(shouldResample, buffer[i], scratch, &count);
+                        scratch[count++] = buffer[i];
                     }
                 }
                 i++;
@@ -383,13 +358,12 @@
                                         buffer[i].meta_data.sensor == sensor_handle)));
         }
     } else {
-        sanitizedBuffer.reset(new sensors_event_t[numEvents]);
-        scratch = sanitizedBuffer.get();
         if (hasSensorAccess()) {
-            for (size_t i = 0; i < numEvents; i++) {
-                addSensorEventsToBuffer(shouldResample, buffer[i], scratch, &count);
-            }
+            scratch = const_cast<sensors_event_t *>(buffer);
+            count = numEvents;
         } else {
+            sanitizedBuffer.reset(new sensors_event_t[numEvents]);
+            scratch = sanitizedBuffer.get();
             for (size_t i = 0; i < numEvents; i++) {
                 if (buffer[i].type == SENSOR_TYPE_META_DATA) {
                     scratch[count++] = buffer[i++];
diff --git a/services/sensorservice/SensorEventConnection.h b/services/sensorservice/SensorEventConnection.h
index 4e3f120..909053b 100644
--- a/services/sensorservice/SensorEventConnection.h
+++ b/services/sensorservice/SensorEventConnection.h
@@ -145,16 +145,10 @@
     void capRates();
     // Recover sensor connection previously capped by capRates().
     void uncapRates();
-
-    // Add sensorEvent to buffer at position index if the sensorEvent satisfies throttling rules.
-    void addSensorEventsToBuffer(bool shouldResample, const sensors_event_t& sensorEvent,
-                        sensors_event_t* buffer, int* index);
     sp<SensorService> const mService;
     sp<BitTube> mChannel;
     uid_t mUid;
     std::atomic_bool mIsRateCappedBasedOnPermission;
-    // Store a mapping of sensor to the timestamp of their last sensor event.
-    std::unordered_map<int, int64_t> mSensorLastTimestamp;
     mutable Mutex mConnectionLock;
     // Number of events from wake up sensors which are still pending and haven't been delivered to
     // the corresponding application. It is incremented by one unit for each write to the socket.
diff --git a/services/sensorservice/SensorService.cpp b/services/sensorservice/SensorService.cpp
index 942b7ae..9955cdb 100644
--- a/services/sensorservice/SensorService.cpp
+++ b/services/sensorservice/SensorService.cpp
@@ -2129,12 +2129,14 @@
 }
 
 void SensorService::SensorPrivacyPolicy::registerSelf() {
+    AutoCallerClear acc;
     SensorPrivacyManager spm;
     mSensorPrivacyEnabled = spm.isSensorPrivacyEnabled();
     spm.addSensorPrivacyListener(this);
 }
 
 void SensorService::SensorPrivacyPolicy::unregisterSelf() {
+    AutoCallerClear acc;
     SensorPrivacyManager spm;
     spm.removeSensorPrivacyListener(this);
 }
@@ -2167,7 +2169,7 @@
 
 status_t SensorService::SensorPrivacyPolicy::registerSelfForIndividual(int userId) {
     Mutex::Autolock _l(mSensorPrivacyLock);
-
+    AutoCallerClear acc;
     SensorPrivacyManager spm;
     status_t err = spm.addIndividualSensorPrivacyListener(userId,
             SensorPrivacyManager::INDIVIDUAL_SENSOR_MICROPHONE, this);
diff --git a/services/sensorservice/SensorService.h b/services/sensorservice/SensorService.h
index 9c5060a..a563a60 100644
--- a/services/sensorservice/SensorService.h
+++ b/services/sensorservice/SensorService.h
@@ -242,6 +242,22 @@
             userid_t mUserId;
     };
 
+    // A class automatically clearing and restoring binder caller identity inside
+    // a code block (scoped variable).
+    // Declare one systematically before calling SensorPrivacyManager methods so that they are
+    // executed with the same level of privilege as the SensorService process.
+    class AutoCallerClear {
+        public:
+            AutoCallerClear() :
+                mToken(IPCThreadState::self()->clearCallingIdentity()) {}
+            ~AutoCallerClear() {
+                IPCThreadState::self()->restoreCallingIdentity(mToken);
+            }
+
+        private:
+            const int64_t mToken;
+    };
+
     enum Mode {
        // The regular operating mode where any application can register/unregister/call flush on
        // sensors.
diff --git a/services/surfaceflinger/BufferQueueLayer.cpp b/services/surfaceflinger/BufferQueueLayer.cpp
index 51e85c4..e7f373f 100644
--- a/services/surfaceflinger/BufferQueueLayer.cpp
+++ b/services/surfaceflinger/BufferQueueLayer.cpp
@@ -506,10 +506,7 @@
     mConsumer->setContentsChangedListener(mContentsChangedListener);
     mConsumer->setName(String8(mName.data(), mName.size()));
 
-    // BufferQueueCore::mMaxDequeuedBufferCount is default to 1
-    if (!mFlinger->isLayerTripleBufferingDisabled()) {
-        mProducer->setMaxDequeuedBufferCount(2);
-    }
+    mProducer->setMaxDequeuedBufferCount(2);
 }
 
 status_t BufferQueueLayer::setDefaultBufferProperties(uint32_t w, uint32_t h, PixelFormat format) {
diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
index 00a6d66..4cd9400 100644
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ b/services/surfaceflinger/BufferStateLayer.cpp
@@ -404,7 +404,16 @@
     mCurrentState.desiredPresentTime = desiredPresentTime;
     mCurrentState.isAutoTimestamp = isAutoTimestamp;
 
-    mFlinger->mScheduler->recordLayerHistory(this, isAutoTimestamp ? 0 : desiredPresentTime,
+    const nsecs_t presentTime = [&] {
+        if (!isAutoTimestamp) return desiredPresentTime;
+
+        const auto prediction =
+                mFlinger->mFrameTimeline->getTokenManager()->getPredictionsForToken(info.vsyncId);
+        if (prediction.has_value()) return prediction->presentTime;
+
+        return static_cast<nsecs_t>(0);
+    }();
+    mFlinger->mScheduler->recordLayerHistory(this, presentTime,
                                              LayerHistory::LayerUpdateType::Buffer);
 
     addFrameEvent(acquireFence, postTime, isAutoTimestamp ? 0 : desiredPresentTime);
diff --git a/services/surfaceflinger/Scheduler/VsyncModulator.cpp b/services/surfaceflinger/Scheduler/VsyncModulator.cpp
index 1f821be..194d808 100644
--- a/services/surfaceflinger/Scheduler/VsyncModulator.cpp
+++ b/services/surfaceflinger/Scheduler/VsyncModulator.cpp
@@ -50,24 +50,23 @@
         TransactionSchedule schedule) {
     switch (schedule) {
         case Schedule::EarlyStart:
-            ALOGW_IF(mExplicitEarlyWakeup, "%s: Duplicate EarlyStart", __FUNCTION__);
-            mExplicitEarlyWakeup = true;
+            ALOGW_IF(mEarlyWakeup, "%s: Duplicate EarlyStart", __FUNCTION__);
+            mEarlyWakeup = true;
             break;
         case Schedule::EarlyEnd:
-            ALOGW_IF(!mExplicitEarlyWakeup, "%s: Unexpected EarlyEnd", __FUNCTION__);
-            mExplicitEarlyWakeup = false;
+            ALOGW_IF(!mEarlyWakeup, "%s: Unexpected EarlyEnd", __FUNCTION__);
+            mEarlyWakeup = false;
             break;
-        case Schedule::Early:
         case Schedule::Late:
-            // No change to mExplicitEarlyWakeup for non-explicit states.
+            // No change to mEarlyWakeup for non-explicit states.
             break;
     }
 
     if (mTraceDetailedInfo) {
-        ATRACE_INT("mExplicitEarlyWakeup", mExplicitEarlyWakeup);
+        ATRACE_INT("mEarlyWakeup", mEarlyWakeup);
     }
 
-    if (!mExplicitEarlyWakeup && (schedule == Schedule::Early || schedule == Schedule::EarlyEnd)) {
+    if (!mEarlyWakeup && schedule == Schedule::EarlyEnd) {
         mEarlyTransactionFrames = MIN_EARLY_TRANSACTION_FRAMES;
         mEarlyTransactionStartTime = mNow();
     }
@@ -129,8 +128,8 @@
 const VsyncModulator::VsyncConfig& VsyncModulator::getNextVsyncConfig() const {
     // Early offsets are used if we're in the middle of a refresh rate
     // change, or if we recently begin a transaction.
-    if (mExplicitEarlyWakeup || mTransactionSchedule == Schedule::EarlyEnd ||
-        mEarlyTransactionFrames > 0 || mRefreshRateChangePending) {
+    if (mEarlyWakeup || mTransactionSchedule == Schedule::EarlyEnd || mEarlyTransactionFrames > 0 ||
+        mRefreshRateChangePending) {
         return mVsyncConfigSet.early;
     } else if (mEarlyGpuFrames > 0) {
         return mVsyncConfigSet.earlyGpu;
diff --git a/services/surfaceflinger/Scheduler/VsyncModulator.h b/services/surfaceflinger/Scheduler/VsyncModulator.h
index 355a14a..fcde279 100644
--- a/services/surfaceflinger/Scheduler/VsyncModulator.h
+++ b/services/surfaceflinger/Scheduler/VsyncModulator.h
@@ -30,7 +30,6 @@
 // fixed number of frames, respectively.
 enum class TransactionSchedule {
     Late,  // Default.
-    Early, // Deprecated.
     EarlyStart,
     EarlyEnd
 };
@@ -114,7 +113,7 @@
 
     using Schedule = TransactionSchedule;
     std::atomic<Schedule> mTransactionSchedule = Schedule::Late;
-    std::atomic<bool> mExplicitEarlyWakeup = false;
+    std::atomic<bool> mEarlyWakeup = false;
 
     std::atomic<bool> mRefreshRateChangePending = false;
 
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index e580a97..31097aa 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -23,6 +23,7 @@
 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
 
 #include "SurfaceFlinger.h"
+#include "TraceUtils.h"
 
 #include <android-base/properties.h>
 #include <android/configuration.h>
@@ -79,7 +80,6 @@
 #include <utils/String16.h>
 #include <utils/String8.h>
 #include <utils/Timers.h>
-#include <utils/Trace.h>
 #include <utils/misc.h>
 
 #include <algorithm>
@@ -441,10 +441,6 @@
     mUseHwcVirtualDisplays = atoi(value);
     ALOGI_IF(mUseHwcVirtualDisplays, "Enabling HWC virtual displays");
 
-    property_get("ro.sf.disable_triple_buffer", value, "0");
-    mLayerTripleBufferingDisabled = atoi(value);
-    ALOGI_IF(mLayerTripleBufferingDisabled, "Disabling Triple Buffering");
-
     property_get("ro.surface_flinger.supports_background_blur", value, "0");
     bool supportsBlurs = atoi(value);
     mSupportsBlur = supportsBlurs;
@@ -1689,7 +1685,12 @@
 }
 
 void SurfaceFlinger::onMessageReceived(int32_t what, int64_t vsyncId, nsecs_t expectedVSyncTime) {
-    ATRACE_CALL();
+    const auto vsyncIn = [&] {
+        if (!ATRACE_ENABLED()) return 0.f;
+        return (expectedVSyncTime - systemTime()) / 1e6f;
+    }();
+
+    ATRACE_FORMAT("onMessageReceived %" PRId64 " vsyncIn %.2fms", vsyncId, vsyncIn);
     switch (what) {
         case MessageQueue::INVALIDATE: {
             onMessageInvalidate(vsyncId, expectedVSyncTime);
@@ -2975,7 +2976,7 @@
     mRefreshRateConfigs = std::make_unique<
             scheduler::RefreshRateConfigs>(displayState.physical->supportedModes,
                                            displayState.physical->activeMode->getId(),
-                                           android::sysprop::enable_frame_rate_override(true));
+                                           android::sysprop::enable_frame_rate_override(false));
     const auto currRefreshRate = displayState.physical->activeMode->getFps();
     mRefreshRateStats = std::make_unique<scheduler::RefreshRateStats>(*mTimeStats, currRefreshRate,
                                                                       hal::PowerMode::OFF);
@@ -3493,9 +3494,8 @@
     ATRACE_INT("TransactionQueue", mTransactionQueue.size());
 
     const auto schedule = [](uint32_t flags) {
-        if (flags & eEarlyWakeup) return TransactionSchedule::Early;
-        if (flags & eExplicitEarlyWakeupEnd) return TransactionSchedule::EarlyEnd;
-        if (flags & eExplicitEarlyWakeupStart) return TransactionSchedule::EarlyStart;
+        if (flags & eEarlyWakeupEnd) return TransactionSchedule::EarlyEnd;
+        if (flags & eEarlyWakeupStart) return TransactionSchedule::EarlyStart;
         return TransactionSchedule::Late;
     }(state.flags);
 
@@ -3547,15 +3547,10 @@
         permissions |= Permission::ROTATE_SURFACE_FLINGER;
     }
 
-    // TODO(b/159125966): Remove eEarlyWakeup completely as no client should use this flag
-    if (flags & eEarlyWakeup) {
-        ALOGW("eEarlyWakeup is deprecated. Use eExplicitEarlyWakeup[Start|End]");
-    }
-
     if (!(permissions & Permission::ACCESS_SURFACE_FLINGER) &&
-        (flags & (eExplicitEarlyWakeupStart | eExplicitEarlyWakeupEnd))) {
-        ALOGE("Only WindowManager is allowed to use eExplicitEarlyWakeup[Start|End] flags");
-        flags &= ~(eExplicitEarlyWakeupStart | eExplicitEarlyWakeupEnd);
+        (flags & (eEarlyWakeupStart | eEarlyWakeupEnd))) {
+        ALOGE("Only WindowManager is allowed to use eEarlyWakeup[Start|End] flags");
+        flags &= ~(eEarlyWakeupStart | eEarlyWakeupEnd);
     }
 
     const int64_t postTime = systemTime();
@@ -4568,9 +4563,6 @@
 void SurfaceFlinger::appendSfConfigString(std::string& result) const {
     result.append(" [sf");
 
-    if (isLayerTripleBufferingDisabled())
-        result.append(" DISABLE_TRIPLE_BUFFERING");
-
     StringAppendF(&result, " PRESENT_TIME_OFFSET=%" PRId64, dispSyncPresentTimeOffset);
     StringAppendF(&result, " FORCE_HWC_FOR_RBG_TO_YUV=%d", useHwcForRgbToYuv);
     StringAppendF(&result, " MAX_VIRT_DISPLAY_DIM=%" PRIu64, maxVirtualDisplaySize);
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index a7cdcd1..8d2f66d 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -1095,10 +1095,6 @@
     void dumpOffscreenLayers(std::string& result) EXCLUDES(mStateLock);
     void dumpPlannerInfo(const DumpArgs& args, std::string& result) const REQUIRES(mStateLock);
 
-    bool isLayerTripleBufferingDisabled() const {
-        return this->mLayerTripleBufferingDisabled;
-    }
-
     status_t doDump(int fd, const DumpArgs& args, bool asProto);
 
     status_t dumpCritical(int fd, const DumpArgs&, bool asProto);
@@ -1252,9 +1248,6 @@
 
     TransactionCallbackInvoker mTransactionCallbackInvoker;
 
-    // Restrict layers to use two buffers in their bufferqueues.
-    bool mLayerTripleBufferingDisabled = false;
-
     // these are thread safe
     std::unique_ptr<MessageQueue> mEventQueue;
     FrameTracker mAnimFrameTracker;
diff --git a/services/surfaceflinger/TraceUtils.h b/services/surfaceflinger/TraceUtils.h
new file mode 100644
index 0000000..90a34a5
--- /dev/null
+++ b/services/surfaceflinger/TraceUtils.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// TODO(b/183120308): This file is a copy of f/b/libs/hwui/utils/TraceUtils.h
+//  It should be migrated to a common place where both SF and hwui could use it.
+
+#pragma once
+
+#include <cutils/trace.h>
+#include <utils/Trace.h>
+
+#define ATRACE_FORMAT(fmt, ...)           \
+    TraceUtils::TraceEnder __traceEnder = \
+            (TraceUtils::atraceFormatBegin(fmt, ##__VA_ARGS__), TraceUtils::TraceEnder())
+
+#define ATRACE_FORMAT_BEGIN(fmt, ...) TraceUtils::atraceFormatBegin(fmt, ##__VA_ARGS__)
+
+namespace android {
+
+class TraceUtils {
+public:
+    class TraceEnder {
+    public:
+        ~TraceEnder() { ATRACE_END(); }
+    };
+
+    static void atraceFormatBegin(const char* fmt, ...) {
+        if (CC_LIKELY(!ATRACE_ENABLED())) return;
+
+        const int BUFFER_SIZE = 256;
+        va_list ap;
+        char buf[BUFFER_SIZE];
+
+        va_start(ap, fmt);
+        vsnprintf(buf, BUFFER_SIZE, fmt, ap);
+        va_end(ap);
+
+        ATRACE_BEGIN(buf);
+    }
+
+}; // class TraceUtils
+
+} /* namespace android */
diff --git a/services/surfaceflinger/tests/unittests/VsyncModulatorTest.cpp b/services/surfaceflinger/tests/unittests/VsyncModulatorTest.cpp
index 106da81..17648d5 100644
--- a/services/surfaceflinger/tests/unittests/VsyncModulatorTest.cpp
+++ b/services/surfaceflinger/tests/unittests/VsyncModulatorTest.cpp
@@ -101,24 +101,6 @@
     CHECK_REFRESH(1, kLate, kLate);
 }
 
-TEST_F(VsyncModulatorTest, EarlyStartWithEarly) {
-    EXPECT_EQ(kEarly, mVsyncModulator.setTransactionSchedule(Schedule::EarlyStart));
-
-    CHECK_COMMIT(kEarly, kEarly);
-    CHECK_REFRESH(5 * MIN_EARLY_TRANSACTION_FRAMES, std::nullopt, kEarly);
-
-    EXPECT_EQ(kEarly, mVsyncModulator.setTransactionSchedule(Schedule::Early));
-
-    CHECK_COMMIT(kEarly, kEarly);
-    CHECK_REFRESH(5 * MIN_EARLY_TRANSACTION_FRAMES, std::nullopt, kEarly);
-
-    EXPECT_EQ(kEarly, mVsyncModulator.setTransactionSchedule(Schedule::EarlyEnd));
-
-    CHECK_COMMIT(kEarly, kEarly);
-    CHECK_REFRESH(MIN_EARLY_TRANSACTION_FRAMES - 1, kEarly, kEarly);
-    CHECK_REFRESH(1, kLate, kLate);
-}
-
 TEST_F(VsyncModulatorTest, EarlyStartWithMoreTransactions) {
     EXPECT_EQ(kEarly, mVsyncModulator.setTransactionSchedule(Schedule::EarlyStart));
 
diff --git a/services/vibratorservice/VibratorHalController.cpp b/services/vibratorservice/VibratorHalController.cpp
index 2de2e0e..70f9876 100644
--- a/services/vibratorservice/VibratorHalController.cpp
+++ b/services/vibratorservice/VibratorHalController.cpp
@@ -161,7 +161,7 @@
     return apply(offFn, "off");
 }
 
-HalResult<void> HalController::setAmplitude(int32_t amplitude) {
+HalResult<void> HalController::setAmplitude(float amplitude) {
     hal_fn<void> setAmplitudeFn = [&](std::shared_ptr<HalWrapper> hal) {
         return hal->setAmplitude(amplitude);
     };
diff --git a/services/vibratorservice/VibratorHalWrapper.cpp b/services/vibratorservice/VibratorHalWrapper.cpp
index 3d20fa1..baee74f 100644
--- a/services/vibratorservice/VibratorHalWrapper.cpp
+++ b/services/vibratorservice/VibratorHalWrapper.cpp
@@ -168,9 +168,8 @@
     return HalResult<void>::fromStatus(getHal()->off());
 }
 
-HalResult<void> AidlHalWrapper::setAmplitude(int32_t amplitude) {
-    float convertedAmplitude = static_cast<float>(amplitude) / std::numeric_limits<uint8_t>::max();
-    return HalResult<void>::fromStatus(getHal()->setAmplitude(convertedAmplitude));
+HalResult<void> AidlHalWrapper::setAmplitude(float amplitude) {
+    return HalResult<void>::fromStatus(getHal()->setAmplitude(amplitude));
 }
 
 HalResult<void> AidlHalWrapper::setExternalControl(bool enabled) {
@@ -346,8 +345,9 @@
 }
 
 template <typename I>
-HalResult<void> HidlHalWrapper<I>::setAmplitude(int32_t amplitude) {
-    auto result = getHal()->setAmplitude(static_cast<uint8_t>(amplitude));
+HalResult<void> HidlHalWrapper<I>::setAmplitude(float amplitude) {
+    uint8_t amp = static_cast<uint8_t>(amplitude * std::numeric_limits<uint8_t>::max());
+    auto result = getHal()->setAmplitude(amp);
     return HalResult<void>::fromStatus(result.withDefault(V1_0::Status::UNKNOWN_ERROR));
 }
 
diff --git a/services/vibratorservice/benchmarks/VibratorHalControllerBenchmarks.cpp b/services/vibratorservice/benchmarks/VibratorHalControllerBenchmarks.cpp
index 0acff06..f40980c 100644
--- a/services/vibratorservice/benchmarks/VibratorHalControllerBenchmarks.cpp
+++ b/services/vibratorservice/benchmarks/VibratorHalControllerBenchmarks.cpp
@@ -142,7 +142,7 @@
 
     auto duration = 60s;
     auto callback = []() {};
-    auto amplitude = UINT8_MAX;
+    auto amplitude = 1.0f;
 
     for (auto _ : state) {
         state.PauseTiming();
@@ -169,7 +169,7 @@
 
     auto duration = 6000s;
     auto callback = []() {};
-    auto amplitude = UINT8_MAX;
+    auto amplitude = 1.0f;
 
     checkHalResult(mController.on(duration, callback), state);
 
@@ -224,7 +224,7 @@
         return;
     }
 
-    auto amplitude = UINT8_MAX;
+    auto amplitude = 1.0f;
 
     checkHalResult(mController.setExternalControl(true), state);
 
diff --git a/services/vibratorservice/include/vibratorservice/VibratorHalController.h b/services/vibratorservice/include/vibratorservice/VibratorHalController.h
index 14ec7b2..f884ff0 100644
--- a/services/vibratorservice/include/vibratorservice/VibratorHalController.h
+++ b/services/vibratorservice/include/vibratorservice/VibratorHalController.h
@@ -61,7 +61,7 @@
                        const std::function<void()>& completionCallback) final override;
     HalResult<void> off() final override;
 
-    HalResult<void> setAmplitude(int32_t amplitude) final override;
+    HalResult<void> setAmplitude(float amplitude) final override;
     HalResult<void> setExternalControl(bool enabled) final override;
 
     HalResult<void> alwaysOnEnable(int32_t id, hardware::vibrator::Effect effect,
diff --git a/services/vibratorservice/include/vibratorservice/VibratorHalWrapper.h b/services/vibratorservice/include/vibratorservice/VibratorHalWrapper.h
index 039a2d9..667702d 100644
--- a/services/vibratorservice/include/vibratorservice/VibratorHalWrapper.h
+++ b/services/vibratorservice/include/vibratorservice/VibratorHalWrapper.h
@@ -173,7 +173,7 @@
                                const std::function<void()>& completionCallback) = 0;
     virtual HalResult<void> off() = 0;
 
-    virtual HalResult<void> setAmplitude(int32_t amplitude) = 0;
+    virtual HalResult<void> setAmplitude(float amplitude) = 0;
     virtual HalResult<void> setExternalControl(bool enabled) = 0;
 
     virtual HalResult<void> alwaysOnEnable(int32_t id, hardware::vibrator::Effect effect,
@@ -223,7 +223,7 @@
                        const std::function<void()>& completionCallback) override final;
     HalResult<void> off() override final;
 
-    HalResult<void> setAmplitude(int32_t amplitude) override final;
+    HalResult<void> setAmplitude(float amplitude) override final;
     HalResult<void> setExternalControl(bool enabled) override final;
 
     HalResult<void> alwaysOnEnable(int32_t id, hardware::vibrator::Effect effect,
@@ -295,7 +295,7 @@
                        const std::function<void()>& completionCallback) override final;
     HalResult<void> off() override final;
 
-    HalResult<void> setAmplitude(int32_t amplitude) override final;
+    HalResult<void> setAmplitude(float amplitude) override final;
     virtual HalResult<void> setExternalControl(bool enabled) override;
 
     HalResult<void> alwaysOnEnable(int32_t id, hardware::vibrator::Effect effect,
diff --git a/services/vibratorservice/test/VibratorHalControllerTest.cpp b/services/vibratorservice/test/VibratorHalControllerTest.cpp
index 0c39247..e438d78 100644
--- a/services/vibratorservice/test/VibratorHalControllerTest.cpp
+++ b/services/vibratorservice/test/VibratorHalControllerTest.cpp
@@ -58,7 +58,7 @@
                 (milliseconds timeout, const std::function<void()>& completionCallback),
                 (override));
     MOCK_METHOD(vibrator::HalResult<void>, off, (), (override));
-    MOCK_METHOD(vibrator::HalResult<void>, setAmplitude, (int32_t amplitude), (override));
+    MOCK_METHOD(vibrator::HalResult<void>, setAmplitude, (float amplitude), (override));
     MOCK_METHOD(vibrator::HalResult<void>, setExternalControl, (bool enabled), (override));
     MOCK_METHOD(vibrator::HalResult<void>, alwaysOnEnable,
                 (int32_t id, Effect effect, EffectStrength strength), (override));
@@ -122,7 +122,7 @@
         EXPECT_CALL(*mMockHal.get(), off())
                 .Times(Exactly(cardinality))
                 .WillRepeatedly(Return(voidResult));
-        EXPECT_CALL(*mMockHal.get(), setAmplitude(Eq(255)))
+        EXPECT_CALL(*mMockHal.get(), setAmplitude(Eq(1.0f)))
                 .Times(Exactly(cardinality))
                 .WillRepeatedly(Return(voidResult));
         EXPECT_CALL(*mMockHal.get(), setExternalControl(Eq(true)))
@@ -196,7 +196,7 @@
     ASSERT_TRUE(mController->ping().isOk());
     ASSERT_TRUE(mController->on(10ms, []() {}).isOk());
     ASSERT_TRUE(mController->off().isOk());
-    ASSERT_TRUE(mController->setAmplitude(255).isOk());
+    ASSERT_TRUE(mController->setAmplitude(1.0f).isOk());
     ASSERT_TRUE(mController->setExternalControl(true).isOk());
     ASSERT_TRUE(mController->alwaysOnEnable(1, Effect::CLICK, EffectStrength::LIGHT).isOk());
     ASSERT_TRUE(mController->alwaysOnDisable(1).isOk());
@@ -249,7 +249,7 @@
     ASSERT_TRUE(mController->ping().isUnsupported());
     ASSERT_TRUE(mController->on(10ms, []() {}).isUnsupported());
     ASSERT_TRUE(mController->off().isUnsupported());
-    ASSERT_TRUE(mController->setAmplitude(255).isUnsupported());
+    ASSERT_TRUE(mController->setAmplitude(1.0f).isUnsupported());
     ASSERT_TRUE(mController->setExternalControl(true).isUnsupported());
     ASSERT_TRUE(
             mController->alwaysOnEnable(1, Effect::CLICK, EffectStrength::LIGHT).isUnsupported());
@@ -282,7 +282,7 @@
     ASSERT_TRUE(mController->ping().isFailed());
     ASSERT_TRUE(mController->on(10ms, []() {}).isFailed());
     ASSERT_TRUE(mController->off().isFailed());
-    ASSERT_TRUE(mController->setAmplitude(255).isFailed());
+    ASSERT_TRUE(mController->setAmplitude(1.0f).isFailed());
     ASSERT_TRUE(mController->setExternalControl(true).isFailed());
     ASSERT_TRUE(mController->alwaysOnEnable(1, Effect::CLICK, EffectStrength::LIGHT).isFailed());
     ASSERT_TRUE(mController->alwaysOnDisable(1).isFailed());
@@ -345,7 +345,7 @@
     ASSERT_TRUE(mController->ping().isUnsupported());
     ASSERT_TRUE(mController->on(10ms, []() {}).isUnsupported());
     ASSERT_TRUE(mController->off().isUnsupported());
-    ASSERT_TRUE(mController->setAmplitude(255).isUnsupported());
+    ASSERT_TRUE(mController->setAmplitude(1.0f).isUnsupported());
     ASSERT_TRUE(mController->setExternalControl(true).isUnsupported());
     ASSERT_TRUE(
             mController->alwaysOnEnable(1, Effect::CLICK, EffectStrength::LIGHT).isUnsupported());
diff --git a/services/vibratorservice/test/VibratorHalWrapperAidlTest.cpp b/services/vibratorservice/test/VibratorHalWrapperAidlTest.cpp
index 5d77595..99f592f 100644
--- a/services/vibratorservice/test/VibratorHalWrapperAidlTest.cpp
+++ b/services/vibratorservice/test/VibratorHalWrapperAidlTest.cpp
@@ -215,19 +215,19 @@
 TEST_F(VibratorHalWrapperAidlTest, TestSetAmplitude) {
     {
         InSequence seq;
-        EXPECT_CALL(*mMockHal.get(), setAmplitude(FloatNear(0.1, 1e-2))).Times(Exactly(1));
-        EXPECT_CALL(*mMockHal.get(), setAmplitude(FloatNear(0.2, 1e-2)))
+        EXPECT_CALL(*mMockHal.get(), setAmplitude(Eq(0.1f))).Times(Exactly(1));
+        EXPECT_CALL(*mMockHal.get(), setAmplitude(Eq(0.2f)))
                 .Times(Exactly(1))
                 .WillRepeatedly(Return(
                         Status::fromExceptionCode(Status::Exception::EX_UNSUPPORTED_OPERATION)));
-        EXPECT_CALL(*mMockHal.get(), setAmplitude(FloatNear(0.5, 1e-2)))
+        EXPECT_CALL(*mMockHal.get(), setAmplitude(Eq(0.5f)))
                 .Times(Exactly(1))
                 .WillRepeatedly(Return(Status::fromExceptionCode(Status::Exception::EX_SECURITY)));
     }
 
-    ASSERT_TRUE(mWrapper->setAmplitude(std::numeric_limits<uint8_t>::max() / 10).isOk());
-    ASSERT_TRUE(mWrapper->setAmplitude(std::numeric_limits<uint8_t>::max() / 5).isUnsupported());
-    ASSERT_TRUE(mWrapper->setAmplitude(std::numeric_limits<uint8_t>::max() / 2).isFailed());
+    ASSERT_TRUE(mWrapper->setAmplitude(0.1f).isOk());
+    ASSERT_TRUE(mWrapper->setAmplitude(0.2f).isUnsupported());
+    ASSERT_TRUE(mWrapper->setAmplitude(0.5f).isFailed());
 }
 
 TEST_F(VibratorHalWrapperAidlTest, TestSetExternalControl) {
diff --git a/services/vibratorservice/test/VibratorHalWrapperHidlV1_0Test.cpp b/services/vibratorservice/test/VibratorHalWrapperHidlV1_0Test.cpp
index 06aa36f..33c47cf 100644
--- a/services/vibratorservice/test/VibratorHalWrapperHidlV1_0Test.cpp
+++ b/services/vibratorservice/test/VibratorHalWrapperHidlV1_0Test.cpp
@@ -147,7 +147,7 @@
 TEST_F(VibratorHalWrapperHidlV1_0Test, TestSetAmplitude) {
     {
         InSequence seq;
-        EXPECT_CALL(*mMockHal.get(), setAmplitude(static_cast<uint8_t>(1)))
+        EXPECT_CALL(*mMockHal.get(), setAmplitude(Eq(static_cast<uint8_t>(1))))
                 .Times(Exactly(1))
                 .WillRepeatedly(
                         [](uint8_t) { return hardware::Return<V1_0::Status>(V1_0::Status::OK); });
@@ -168,10 +168,11 @@
                 });
     }
 
-    ASSERT_TRUE(mWrapper->setAmplitude(1).isOk());
-    ASSERT_TRUE(mWrapper->setAmplitude(2).isUnsupported());
-    ASSERT_TRUE(mWrapper->setAmplitude(3).isFailed());
-    ASSERT_TRUE(mWrapper->setAmplitude(4).isFailed());
+    auto maxAmplitude = std::numeric_limits<uint8_t>::max();
+    ASSERT_TRUE(mWrapper->setAmplitude(1.0f / maxAmplitude).isOk());
+    ASSERT_TRUE(mWrapper->setAmplitude(2.0f / maxAmplitude).isUnsupported());
+    ASSERT_TRUE(mWrapper->setAmplitude(3.0f / maxAmplitude).isFailed());
+    ASSERT_TRUE(mWrapper->setAmplitude(4.0f / maxAmplitude).isFailed());
 }
 
 TEST_F(VibratorHalWrapperHidlV1_0Test, TestSetExternalControlUnsupported) {