Merge "inputflinger fuzzers: Remove FuzzContainer" into main
diff --git a/libs/binder/tests/parcel_fuzzer/libbinder_driver.cpp b/libs/binder/tests/parcel_fuzzer/libbinder_driver.cpp
index 45c3a90..b268c5d 100644
--- a/libs/binder/tests/parcel_fuzzer/libbinder_driver.cpp
+++ b/libs/binder/tests/parcel_fuzzer/libbinder_driver.cpp
@@ -21,6 +21,8 @@
 #include <binder/IPCThreadState.h>
 #include <binder/ProcessState.h>
 
+#include <private/android_filesystem_config.h>
+
 namespace android {
 
 void fuzzService(const sp<IBinder>& binder, FuzzedDataProvider&& provider) {
@@ -40,7 +42,12 @@
     // Always take so that a perturbation of just the one ConsumeBool byte will always
     // take the same path, but with a different UID. Without this, the fuzzer needs to
     // guess both the change in value and the shift at the same time.
-    int64_t maybeSetUid = provider.ConsumeIntegral<int64_t>();
+    int64_t maybeSetUid = provider.PickValueInArray<int64_t>(
+            {static_cast<int64_t>(AID_ROOT) << 32, static_cast<int64_t>(AID_SYSTEM) << 32,
+             provider.ConsumeIntegralInRange<int64_t>(static_cast<int64_t>(AID_ROOT) << 32,
+                                                      static_cast<int64_t>(AID_USER) << 32),
+             provider.ConsumeIntegral<int64_t>()});
+
     if (provider.ConsumeBool()) {
         // set calling uid
         IPCThreadState::self()->restoreCallingIdentity(maybeSetUid);
diff --git a/libs/binder/tests/parcel_fuzzer/test_fuzzer/TestServiceFuzzer.cpp b/libs/binder/tests/parcel_fuzzer/test_fuzzer/TestServiceFuzzer.cpp
index 7fbf2d0..46205d7 100644
--- a/libs/binder/tests/parcel_fuzzer/test_fuzzer/TestServiceFuzzer.cpp
+++ b/libs/binder/tests/parcel_fuzzer/test_fuzzer/TestServiceFuzzer.cpp
@@ -20,6 +20,8 @@
 #include <binder/IPCThreadState.h>
 #include <log/log.h>
 
+#include <private/android_filesystem_config.h>
+
 using android::binder::Status;
 
 namespace android {
@@ -29,6 +31,8 @@
     ON_PLAIN,
     ON_BINDER,
     ON_KNOWN_UID,
+    ON_SYSTEM_AID,
+    ON_ROOT_AID,
 };
 
 // This service is to verify that fuzzService is functioning properly
@@ -48,6 +52,18 @@
                 }
                 break;
             }
+            case CrashType::ON_SYSTEM_AID: {
+                if (IPCThreadState::self()->getCallingUid() == AID_SYSTEM) {
+                    LOG_ALWAYS_FATAL("Expected crash, AID_SYSTEM.");
+                }
+                break;
+            }
+            case CrashType::ON_ROOT_AID: {
+                if (IPCThreadState::self()->getCallingUid() == AID_ROOT) {
+                    LOG_ALWAYS_FATAL("Expected crash, AID_ROOT.");
+                }
+                break;
+            }
             default:
                 break;
         }
@@ -99,6 +115,10 @@
         gCrashType = CrashType::ON_PLAIN;
     } else if (arg == "KNOWN_UID") {
         gCrashType = CrashType::ON_KNOWN_UID;
+    } else if (arg == "AID_SYSTEM") {
+        gCrashType = CrashType::ON_SYSTEM_AID;
+    } else if (arg == "AID_ROOT") {
+        gCrashType = CrashType::ON_ROOT_AID;
     } else if (arg == "BINDER") {
         gCrashType = CrashType::ON_BINDER;
     } else {
diff --git a/libs/binder/tests/parcel_fuzzer/test_fuzzer/run_fuzz_service_test.sh b/libs/binder/tests/parcel_fuzzer/test_fuzzer/run_fuzz_service_test.sh
index e568035..25906d8 100755
--- a/libs/binder/tests/parcel_fuzzer/test_fuzzer/run_fuzz_service_test.sh
+++ b/libs/binder/tests/parcel_fuzzer/test_fuzzer/run_fuzz_service_test.sh
@@ -27,7 +27,7 @@
     exit 1
 fi
 
-for CRASH_TYPE in PLAIN KNOWN_UID BINDER; do
+for CRASH_TYPE in PLAIN KNOWN_UID AID_SYSTEM AID_ROOT BINDER; do
     echo "INFO: Running fuzzer : test_service_fuzzer_should_crash $CRASH_TYPE"
 
     ./test_service_fuzzer_should_crash "$CRASH_TYPE" -max_total_time=30 &>"$FUZZER_OUT"
diff --git a/libs/gui/tests/OWNERS b/libs/gui/tests/OWNERS
new file mode 100644
index 0000000..156efdb
--- /dev/null
+++ b/libs/gui/tests/OWNERS
@@ -0,0 +1,3 @@
+# Android > Android OS & Apps > Framework (Java + Native) > Window Manager > Surfaces
+# Bug component: 316245 = per-file BLASTBufferQueue_test.cpp, DisplayInfo_test.cpp, EndToEndNativeInputTest.cpp, WindowInfos_test.cpp
+# Buganizer template url: https://b.corp.google.com/issues/new?component=316245&template=1018194 = per-file BLASTBufferQueue_test.cpp, DisplayInfo_test.cpp, EndToEndNativeInputTest.cpp, WindowInfos_test.cpp
diff --git a/libs/permission/aidl/android/content/AttributionSourceState.aidl b/libs/permission/aidl/android/content/AttributionSourceState.aidl
index ed1b37d..b3fb7a7 100644
--- a/libs/permission/aidl/android/content/AttributionSourceState.aidl
+++ b/libs/permission/aidl/android/content/AttributionSourceState.aidl
@@ -27,6 +27,10 @@
     int pid = -1;
     /** The UID that is accessing the permission protected data. */
     int uid = -1;
+    /** The default device ID from where the permission protected data is read.
+     * @see Context#DEVICE_ID_DEFAULT
+     */
+    int deviceId = 0;
     /** The package that is accessing the permission protected data. */
     @nullable @utf8InCpp String packageName;
     /** The attribution tag of the app accessing the permission protected data. */
diff --git a/libs/ui/DebugUtils.cpp b/libs/ui/DebugUtils.cpp
index 073da89..8675f14 100644
--- a/libs/ui/DebugUtils.cpp
+++ b/libs/ui/DebugUtils.cpp
@@ -304,6 +304,12 @@
             return std::string("BGRA_8888");
         case android::PIXEL_FORMAT_R_8:
             return std::string("R_8");
+        case android::PIXEL_FORMAT_R_16_UINT:
+            return std::string("R_16_UINT");
+        case android::PIXEL_FORMAT_RG_1616_UINT:
+            return std::string("RG_1616_UINT");
+        case android::PIXEL_FORMAT_RGBA_10101010:
+            return std::string("RGBA_10101010");
         default:
             return StringPrintf("Unknown %#08x", format);
     }
diff --git a/services/inputflinger/reader/EventHub.cpp b/services/inputflinger/reader/EventHub.cpp
index 4d0e13e..4e72c4c 100644
--- a/services/inputflinger/reader/EventHub.cpp
+++ b/services/inputflinger/reader/EventHub.cpp
@@ -538,7 +538,8 @@
         associatedDevice(std::move(assocDev)),
         controllerNumber(0),
         enabled(true),
-        isVirtual(fd < 0) {}
+        isVirtual(fd < 0),
+        currentFrameDropped(false) {}
 
 EventHub::Device::~Device() {
     close();
@@ -612,6 +613,18 @@
     }
     bool usingClockIoctl = !ioctl(fd, EVIOCSCLOCKID, &clockId);
     ALOGI("usingClockIoctl=%s", toString(usingClockIoctl));
+
+    // Query the initial state of keys and switches, which is tracked by EventHub.
+    readDeviceState();
+}
+
+void EventHub::Device::readDeviceState() {
+    if (readDeviceBitMask(EVIOCGKEY(0), keyState) < 0) {
+        ALOGD("Unable to query the global key state for %s: %s", path.c_str(), strerror(errno));
+    }
+    if (readDeviceBitMask(EVIOCGSW(0), swState) < 0) {
+        ALOGD("Unable to query the global switch state for %s: %s", path.c_str(), strerror(errno));
+    }
 }
 
 bool EventHub::Device::hasKeycodeLocked(int keycode) const {
@@ -729,6 +742,48 @@
     return NAME_NOT_FOUND;
 }
 
+void EventHub::Device::trackInputEvent(const struct input_event& event) {
+    switch (event.type) {
+        case EV_KEY: {
+            LOG_ALWAYS_FATAL_IF(!currentFrameDropped &&
+                                        !keyState.set(static_cast<size_t>(event.code),
+                                                      event.value != 0),
+                                "%s: received invalid EV_KEY event code: %s", __func__,
+                                InputEventLookup::getLinuxEvdevLabel(EV_KEY, event.code, 1)
+                                        .code.c_str());
+            break;
+        }
+        case EV_SW: {
+            LOG_ALWAYS_FATAL_IF(!currentFrameDropped &&
+                                        !swState.set(static_cast<size_t>(event.code),
+                                                     event.value != 0),
+                                "%s: received invalid EV_SW event code: %s", __func__,
+                                InputEventLookup::getLinuxEvdevLabel(EV_SW, event.code, 1)
+                                        .code.c_str());
+            break;
+        }
+        case EV_SYN: {
+            switch (event.code) {
+                case SYN_REPORT:
+                    currentFrameDropped = false;
+                    break;
+                case SYN_DROPPED:
+                    // When we receive SYN_DROPPED, all events in the current frame should be
+                    // dropped. We query the state of the device to synchronize our device state
+                    // with the kernel's to account for the dropped events.
+                    currentFrameDropped = true;
+                    readDeviceState();
+                    break;
+                default:
+                    break;
+            }
+            break;
+        }
+        default:
+            break;
+    }
+}
+
 /**
  * Get the capabilities for the current process.
  * Crashes the system if unable to create / check / destroy the capabilities object.
@@ -962,38 +1017,34 @@
 }
 
 int32_t EventHub::getScanCodeState(int32_t deviceId, int32_t scanCode) const {
-    if (scanCode >= 0 && scanCode <= KEY_MAX) {
-        std::scoped_lock _l(mLock);
-
-        Device* device = getDeviceLocked(deviceId);
-        if (device != nullptr && device->hasValidFd() && device->keyBitmask.test(scanCode)) {
-            if (device->readDeviceBitMask(EVIOCGKEY(0), device->keyState) >= 0) {
-                return device->keyState.test(scanCode) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
-            }
-        }
+    if (scanCode < 0 || scanCode > KEY_MAX) {
+        return AKEY_STATE_UNKNOWN;
     }
-    return AKEY_STATE_UNKNOWN;
+    std::scoped_lock _l(mLock);
+    const Device* device = getDeviceLocked(deviceId);
+    if (device == nullptr || !device->hasValidFd() || !device->keyBitmask.test(scanCode)) {
+        return AKEY_STATE_UNKNOWN;
+    }
+    return device->keyState.test(scanCode) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
 }
 
 int32_t EventHub::getKeyCodeState(int32_t deviceId, int32_t keyCode) const {
     std::scoped_lock _l(mLock);
-
-    Device* device = getDeviceLocked(deviceId);
-    if (device != nullptr && device->hasValidFd() && device->keyMap.haveKeyLayout()) {
-        std::vector<int32_t> scanCodes = device->keyMap.keyLayoutMap->findScanCodesForKey(keyCode);
-        if (scanCodes.size() != 0) {
-            if (device->readDeviceBitMask(EVIOCGKEY(0), device->keyState) >= 0) {
-                for (size_t i = 0; i < scanCodes.size(); i++) {
-                    int32_t sc = scanCodes[i];
-                    if (sc >= 0 && sc <= KEY_MAX && device->keyState.test(sc)) {
-                        return AKEY_STATE_DOWN;
-                    }
-                }
-                return AKEY_STATE_UP;
-            }
-        }
+    const Device* device = getDeviceLocked(deviceId);
+    if (device == nullptr || !device->hasValidFd() || !device->keyMap.haveKeyLayout()) {
+        return AKEY_STATE_UNKNOWN;
     }
-    return AKEY_STATE_UNKNOWN;
+    const std::vector<int32_t> scanCodes =
+            device->keyMap.keyLayoutMap->findScanCodesForKey(keyCode);
+    if (scanCodes.empty()) {
+        return AKEY_STATE_UNKNOWN;
+    }
+    return std::any_of(scanCodes.begin(), scanCodes.end(),
+                       [&device](const int32_t sc) {
+                           return sc >= 0 && sc <= KEY_MAX && device->keyState.test(sc);
+                       })
+            ? AKEY_STATE_DOWN
+            : AKEY_STATE_UP;
 }
 
 int32_t EventHub::getKeyCodeForKeyLocation(int32_t deviceId, int32_t locationKeyCode) const {
@@ -1037,17 +1088,15 @@
 }
 
 int32_t EventHub::getSwitchState(int32_t deviceId, int32_t sw) const {
-    if (sw >= 0 && sw <= SW_MAX) {
-        std::scoped_lock _l(mLock);
-
-        Device* device = getDeviceLocked(deviceId);
-        if (device != nullptr && device->hasValidFd() && device->swBitmask.test(sw)) {
-            if (device->readDeviceBitMask(EVIOCGSW(0), device->swState) >= 0) {
-                return device->swState.test(sw) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
-            }
-        }
+    if (sw < 0 || sw > SW_MAX) {
+        return AKEY_STATE_UNKNOWN;
     }
-    return AKEY_STATE_UNKNOWN;
+    std::scoped_lock _l(mLock);
+    const Device* device = getDeviceLocked(deviceId);
+    if (device == nullptr || !device->hasValidFd() || !device->swBitmask.test(sw)) {
+        return AKEY_STATE_UNKNOWN;
+    }
+    return device->swState.test(sw) ? AKEY_STATE_DOWN : AKEY_STATE_UP;
 }
 
 status_t EventHub::getAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t* outValue) const {
@@ -1922,6 +1971,7 @@
                     const size_t count = size_t(readSize) / sizeof(struct input_event);
                     for (size_t i = 0; i < count; i++) {
                         struct input_event& iev = readBuffer[i];
+                        device->trackInputEvent(iev);
                         events.push_back({
                                 .when = processEventTimestamp(iev),
                                 .readTime = systemTime(SYSTEM_TIME_MONOTONIC),
diff --git a/services/inputflinger/reader/include/EventHub.h b/services/inputflinger/reader/include/EventHub.h
index 024187f..6e647db 100644
--- a/services/inputflinger/reader/include/EventHub.h
+++ b/services/inputflinger/reader/include/EventHub.h
@@ -411,7 +411,17 @@
      * Note the parameter "bit" is an index to the bit, 0 <= bit < BITS.
      */
     inline bool test(size_t bit) const {
-        return (bit < BITS) ? mData[bit / WIDTH].test(bit % WIDTH) : false;
+        return (bit < BITS) && mData[bit / WIDTH].test(bit % WIDTH);
+    }
+    /* Sets the given bit in the bit array to given value.
+     * Returns true if the given bit is a valid index and thus was set successfully.
+     */
+    inline bool set(size_t bit, bool value) {
+        if (bit >= BITS) {
+            return false;
+        }
+        mData[bit / WIDTH].set(bit % WIDTH, value);
+        return true;
     }
     /* Returns total number of bytes needed for the array */
     inline size_t bytes() { return (BITS + CHAR_BIT - 1) / CHAR_BIT; }
@@ -653,6 +663,10 @@
         void setLedForControllerLocked();
         status_t mapLed(int32_t led, int32_t* outScanCode) const;
         void setLedStateLocked(int32_t led, bool on);
+
+        bool currentFrameDropped;
+        void trackInputEvent(const struct input_event& event);
+        void readDeviceState();
     };
 
     /**
diff --git a/services/inputflinger/tests/InputReader_test.cpp b/services/inputflinger/tests/InputReader_test.cpp
index e751c89..477beaf 100644
--- a/services/inputflinger/tests/InputReader_test.cpp
+++ b/services/inputflinger/tests/InputReader_test.cpp
@@ -1886,7 +1886,7 @@
         ::testing::Types<UinputTouchScreen, UinputExternalStylus, UinputExternalStylusWithPressure>;
 TYPED_TEST_SUITE(StylusButtonIntegrationTest, StylusButtonIntegrationTestTypes);
 
-TYPED_TEST(StylusButtonIntegrationTest, DISABLED_StylusButtonsGenerateKeyEvents) {
+TYPED_TEST(StylusButtonIntegrationTest, StylusButtonsGenerateKeyEvents) {
     const auto stylusId = TestFixture::mStylusInfo.getId();
 
     TestFixture::mStylus->pressKey(BTN_STYLUS);
@@ -1900,7 +1900,7 @@
                   WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY), WithDeviceId(stylusId))));
 }
 
-TYPED_TEST(StylusButtonIntegrationTest, DISABLED_StylusButtonsSurroundingTouchGesture) {
+TYPED_TEST(StylusButtonIntegrationTest, StylusButtonsSurroundingTouchGesture) {
     const Point centerPoint = TestFixture::mTouchscreen->getCenterPoint();
     const auto touchscreenId = TestFixture::mTouchscreenInfo.getId();
     const auto stylusId = TestFixture::mStylusInfo.getId();
@@ -1946,7 +1946,7 @@
                   WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY), WithDeviceId(stylusId))));
 }
 
-TYPED_TEST(StylusButtonIntegrationTest, DISABLED_StylusButtonsSurroundingHoveringTouchGesture) {
+TYPED_TEST(StylusButtonIntegrationTest, StylusButtonsSurroundingHoveringTouchGesture) {
     const Point centerPoint = TestFixture::mTouchscreen->getCenterPoint();
     const auto touchscreenId = TestFixture::mTouchscreenInfo.getId();
     const auto stylusId = TestFixture::mStylusInfo.getId();
@@ -2022,7 +2022,7 @@
                   WithKeyCode(AKEYCODE_STYLUS_BUTTON_PRIMARY), WithDeviceId(stylusId))));
 }
 
-TYPED_TEST(StylusButtonIntegrationTest, DISABLED_StylusButtonsWithinTouchGesture) {
+TYPED_TEST(StylusButtonIntegrationTest, StylusButtonsWithinTouchGesture) {
     const Point centerPoint = TestFixture::mTouchscreen->getCenterPoint();
     const auto touchscreenId = TestFixture::mTouchscreenInfo.getId();
     const auto stylusId = TestFixture::mStylusInfo.getId();
@@ -2076,7 +2076,7 @@
                   WithDeviceId(touchscreenId))));
 }
 
-TYPED_TEST(StylusButtonIntegrationTest, DISABLED_StylusButtonMotionEventsDisabled) {
+TYPED_TEST(StylusButtonIntegrationTest, StylusButtonMotionEventsDisabled) {
     TestFixture::mFakePolicy->setStylusButtonMotionEventsEnabled(false);
     TestFixture::mReader->requestRefreshConfiguration(
             InputReaderConfiguration::Change::STYLUS_BUTTON_REPORTING);
@@ -2133,7 +2133,7 @@
 // ongoing stylus gesture that is being emitted by the touchscreen.
 using ExternalStylusIntegrationTest = TouchIntegrationTest;
 
-TEST_F(ExternalStylusIntegrationTest, DISABLED_FusedExternalStylusPressureReported) {
+TEST_F(ExternalStylusIntegrationTest, FusedExternalStylusPressureReported) {
     const Point centerPoint = mDevice->getCenterPoint();
 
     // Create an external stylus capable of reporting pressure data that
@@ -2179,7 +2179,7 @@
     ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasNotCalled());
 }
 
-TEST_F(ExternalStylusIntegrationTest, DISABLED_FusedExternalStylusPressureNotReported) {
+TEST_F(ExternalStylusIntegrationTest, FusedExternalStylusPressureNotReported) {
     const Point centerPoint = mDevice->getCenterPoint();
 
     // Create an external stylus capable of reporting pressure data that
@@ -2247,7 +2247,7 @@
     ASSERT_NO_FATAL_FAILURE(mTestListener->assertNotifyKeyWasNotCalled());
 }
 
-TEST_F(ExternalStylusIntegrationTest, DISABLED_UnfusedExternalStylus) {
+TEST_F(ExternalStylusIntegrationTest, UnfusedExternalStylus) {
     const Point centerPoint = mDevice->getCenterPoint();
 
     // Create an external stylus device that does not support pressure. It should not affect any
diff --git a/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp b/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp
index c512a1e..9713e79 100644
--- a/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/OutputCompositionState.cpp
@@ -67,7 +67,7 @@
     out.append("\n   ");
 
     out.append("\n   ");
-    dumpVal(out, "treate170mAsSrgb", treat170mAsSrgb);
+    dumpVal(out, "treat170mAsSrgb", treat170mAsSrgb);
 
     out.append("\n");
     for (const auto& borderRenderInfo : borderInfoList) {
diff --git a/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp b/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp
index a6521bb..7547be9 100644
--- a/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/planner/CachedSet.cpp
@@ -180,18 +180,19 @@
             .targetLuminanceNits = outputState.displayBrightnessNits,
     };
 
-    LayerFE::ClientCompositionTargetSettings targetSettings{
-            .clip = Region(viewport),
-            .needsFiltering = false,
-            .isSecure = outputState.isSecure,
-            .supportsProtectedContent = false,
-            .viewport = viewport,
-            .dataspace = outputDataspace,
-            .realContentIsVisible = true,
-            .clearContent = false,
-            .blurSetting = LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
-            .whitePointNits = outputState.displayBrightnessNits,
-    };
+    LayerFE::ClientCompositionTargetSettings
+            targetSettings{.clip = Region(viewport),
+                           .needsFiltering = false,
+                           .isSecure = outputState.isSecure,
+                           .supportsProtectedContent = false,
+                           .viewport = viewport,
+                           .dataspace = outputDataspace,
+                           .realContentIsVisible = true,
+                           .clearContent = false,
+                           .blurSetting =
+                                   LayerFE::ClientCompositionTargetSettings::BlurSetting::Enabled,
+                           .whitePointNits = outputState.displayBrightnessNits,
+                           .treat170mAsSrgb = outputState.treat170mAsSrgb};
 
     std::vector<renderengine::LayerSettings> layerSettings;
     renderengine::LayerSettings highlight;
diff --git a/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp b/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp
index c0eb36d..311820c 100644
--- a/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/AidlComposerHal.cpp
@@ -244,14 +244,13 @@
     addReader(translate<Display>(kSingleReaderKey));
 
     // If unable to read interface version, then become backwards compatible.
-    int32_t version = 1;
-    const auto status = mAidlComposerClient->getInterfaceVersion(&version);
+    const auto status = mAidlComposerClient->getInterfaceVersion(&mComposerInterfaceVersion);
     if (!status.isOk()) {
         ALOGE("getInterfaceVersion for AidlComposer constructor failed %s",
               status.getDescription().c_str());
     }
-    mSupportsBufferSlotsToClear = version > 1;
-    if (!mSupportsBufferSlotsToClear) {
+
+    if (mComposerInterfaceVersion <= 1) {
         if (sysprop::clear_slots_with_set_layer_buffer(false)) {
             mClearSlotBuffer = sp<GraphicBuffer>::make(1, 1, PIXEL_FORMAT_RGBX_8888,
                                                        GraphicBuffer::USAGE_HW_COMPOSER |
@@ -281,6 +280,10 @@
     }
 }
 
+bool AidlComposer::getDisplayConfigurationsSupported() const {
+    return mComposerInterfaceVersion >= 3;
+}
+
 std::vector<Capability> AidlComposer::getCapabilities() {
     std::vector<Capability> capabilities;
     const auto status = mAidlComposer->getCapabilities(&capabilities);
@@ -489,6 +492,18 @@
     return Error::NONE;
 }
 
+Error AidlComposer::getDisplayConfigurations(Display display,
+                                             std::vector<DisplayConfiguration>* outConfigs) {
+    const auto status =
+            mAidlComposerClient->getDisplayConfigurations(translate<int64_t>(display), outConfigs);
+    if (!status.isOk()) {
+        ALOGE("getDisplayConfigurations failed %s", status.getDescription().c_str());
+        return static_cast<Error>(status.getServiceSpecificError());
+    }
+
+    return Error::NONE;
+}
+
 Error AidlComposer::getDisplayName(Display display, std::string* outName) {
     const auto status = mAidlComposerClient->getDisplayName(translate<int64_t>(display), outName);
     if (!status.isOk()) {
@@ -848,7 +863,7 @@
     Error error = Error::NONE;
     mMutex.lock_shared();
     if (auto writer = getWriter(display)) {
-        if (mSupportsBufferSlotsToClear) {
+        if (mComposerInterfaceVersion > 1) {
             writer->get().setLayerBufferSlotsToClear(translate<int64_t>(display),
                                                      translate<int64_t>(layer), slotsToClear);
             // Backwards compatible way of clearing buffer slots is to set the layer buffer with a
diff --git a/services/surfaceflinger/DisplayHardware/AidlComposerHal.h b/services/surfaceflinger/DisplayHardware/AidlComposerHal.h
index 8d21b49..e31ff81 100644
--- a/services/surfaceflinger/DisplayHardware/AidlComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/AidlComposerHal.h
@@ -66,6 +66,7 @@
     ~AidlComposer() override;
 
     bool isSupported(OptionalFeature) const;
+    bool getDisplayConfigurationsSupported() const;
 
     std::vector<aidl::android::hardware::graphics::composer3::Capability> getCapabilities()
             override;
@@ -95,6 +96,7 @@
     Error getDisplayAttribute(Display display, Config config, IComposerClient::Attribute attribute,
                               int32_t* outValue) override;
     Error getDisplayConfigs(Display display, std::vector<Config>* outConfigs);
+    Error getDisplayConfigurations(Display, std::vector<DisplayConfiguration>*);
     Error getDisplayName(Display display, std::string* outName) override;
 
     Error getDisplayRequests(Display display, uint32_t* outDisplayRequestMask,
@@ -285,8 +287,8 @@
     // threading annotations.
     ftl::SharedMutex mMutex;
 
-    // Whether or not explicitly clearing buffer slots is supported.
-    bool mSupportsBufferSlotsToClear;
+    int32_t mComposerInterfaceVersion = 1;
+
     // Buffer slots for layers are cleared by setting the slot buffer to this buffer.
     sp<GraphicBuffer> mClearSlotBuffer;
 
diff --git a/services/surfaceflinger/DisplayHardware/ComposerHal.h b/services/surfaceflinger/DisplayHardware/ComposerHal.h
index cf67795..cc60fd0 100644
--- a/services/surfaceflinger/DisplayHardware/ComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/ComposerHal.h
@@ -39,6 +39,7 @@
 #include <aidl/android/hardware/graphics/composer3/Color.h>
 #include <aidl/android/hardware/graphics/composer3/Composition.h>
 #include <aidl/android/hardware/graphics/composer3/DisplayCapability.h>
+#include <aidl/android/hardware/graphics/composer3/DisplayConfiguration.h>
 #include <aidl/android/hardware/graphics/composer3/IComposerCallback.h>
 #include <aidl/android/hardware/graphics/composer3/OverlayProperties.h>
 
@@ -85,6 +86,7 @@
 using PerFrameMetadataKey = IComposerClient::PerFrameMetadataKey;
 using PerFrameMetadataBlob = IComposerClient::PerFrameMetadataBlob;
 using AidlTransform = ::aidl::android::hardware::graphics::common::Transform;
+using DisplayConfiguration = V3_0::DisplayConfiguration;
 using aidl::android::hardware::graphics::common::Hdr;
 
 class Composer {
@@ -103,6 +105,7 @@
     };
 
     virtual bool isSupported(OptionalFeature) const = 0;
+    virtual bool getDisplayConfigurationsSupported() const = 0;
 
     virtual std::vector<aidl::android::hardware::graphics::composer3::Capability>
     getCapabilities() = 0;
@@ -130,6 +133,9 @@
     virtual Error getDisplayAttribute(Display display, Config config,
                                       IComposerClient::Attribute attribute, int32_t* outValue) = 0;
     virtual Error getDisplayConfigs(Display display, std::vector<Config>* outConfigs) = 0;
+
+    virtual Error getDisplayConfigurations(Display, std::vector<DisplayConfiguration>*) = 0;
+
     virtual Error getDisplayName(Display display, std::string* outName) = 0;
 
     virtual Error getDisplayRequests(Display display, uint32_t* outDisplayRequestMask,
diff --git a/services/surfaceflinger/DisplayHardware/DisplayMode.h b/services/surfaceflinger/DisplayHardware/DisplayMode.h
index 61a9a08..1810925 100644
--- a/services/surfaceflinger/DisplayHardware/DisplayMode.h
+++ b/services/surfaceflinger/DisplayHardware/DisplayMode.h
@@ -80,20 +80,20 @@
             return *this;
         }
 
-        Builder& setDpiX(int32_t dpiX) {
-            if (dpiX == -1) {
+        Builder& setDpiX(float dpiX) {
+            if (dpiX == -1.f) {
                 mDisplayMode->mDpi.x = getDefaultDensity();
             } else {
-                mDisplayMode->mDpi.x = dpiX / 1000.f;
+                mDisplayMode->mDpi.x = dpiX;
             }
             return *this;
         }
 
-        Builder& setDpiY(int32_t dpiY) {
-            if (dpiY == -1) {
+        Builder& setDpiY(float dpiY) {
+            if (dpiY == -1.f) {
                 mDisplayMode->mDpi.y = getDefaultDensity();
             } else {
-                mDisplayMode->mDpi.y = dpiY / 1000.f;
+                mDisplayMode->mDpi.y = dpiY;
             }
             return *this;
         }
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index f350eba..aefa7c3 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -265,6 +265,46 @@
     RETURN_IF_INVALID_DISPLAY(displayId, {});
 
     const auto hwcDisplayId = mDisplayData.at(displayId).hwcDisplay->getId();
+
+    if (mComposer->getDisplayConfigurationsSupported()) {
+        return getModesFromDisplayConfigurations(hwcDisplayId);
+    }
+
+    return getModesFromLegacyDisplayConfigs(hwcDisplayId);
+}
+
+std::vector<HWComposer::HWCDisplayMode> HWComposer::getModesFromDisplayConfigurations(
+        uint64_t hwcDisplayId) const {
+    std::vector<hal::DisplayConfiguration> configs;
+    auto error =
+            static_cast<hal::Error>(mComposer->getDisplayConfigurations(hwcDisplayId, &configs));
+    RETURN_IF_HWC_ERROR_FOR("getDisplayConfigurations", error, *toPhysicalDisplayId(hwcDisplayId),
+                            {});
+
+    std::vector<HWCDisplayMode> modes;
+    modes.reserve(configs.size());
+    for (auto config : configs) {
+        auto hwcMode = HWCDisplayMode{
+                .hwcId = static_cast<hal::HWConfigId>(config.configId),
+                .width = config.width,
+                .height = config.height,
+                .vsyncPeriod = config.vsyncPeriod,
+                .configGroup = config.configGroup,
+        };
+
+        if (config.dpi) {
+            hwcMode.dpiX = config.dpi->x;
+            hwcMode.dpiY = config.dpi->y;
+        }
+
+        modes.push_back(hwcMode);
+    }
+
+    return modes;
+}
+
+std::vector<HWComposer::HWCDisplayMode> HWComposer::getModesFromLegacyDisplayConfigs(
+        uint64_t hwcDisplayId) const {
     std::vector<hal::HWConfigId> configIds;
     auto error = static_cast<hal::Error>(mComposer->getDisplayConfigs(hwcDisplayId, &configIds));
     RETURN_IF_HWC_ERROR_FOR("getDisplayConfigs", error, *toPhysicalDisplayId(hwcDisplayId), {});
@@ -272,17 +312,25 @@
     std::vector<HWCDisplayMode> modes;
     modes.reserve(configIds.size());
     for (auto configId : configIds) {
-        modes.push_back(HWCDisplayMode{
+        auto hwcMode = HWCDisplayMode{
                 .hwcId = configId,
                 .width = getAttribute(hwcDisplayId, configId, hal::Attribute::WIDTH),
                 .height = getAttribute(hwcDisplayId, configId, hal::Attribute::HEIGHT),
                 .vsyncPeriod = getAttribute(hwcDisplayId, configId, hal::Attribute::VSYNC_PERIOD),
-                .dpiX = getAttribute(hwcDisplayId, configId, hal::Attribute::DPI_X),
-                .dpiY = getAttribute(hwcDisplayId, configId, hal::Attribute::DPI_Y),
                 .configGroup = getAttribute(hwcDisplayId, configId, hal::Attribute::CONFIG_GROUP),
-        });
-    }
+        };
 
+        const int32_t dpiX = getAttribute(hwcDisplayId, configId, hal::Attribute::DPI_X);
+        const int32_t dpiY = getAttribute(hwcDisplayId, configId, hal::Attribute::DPI_Y);
+        if (dpiX != -1) {
+            hwcMode.dpiX = static_cast<float>(dpiX) / 1000.f;
+        }
+        if (dpiY != -1) {
+            hwcMode.dpiY = static_cast<float>(dpiY) / 1000.f;
+        }
+
+        modes.push_back(hwcMode);
+    }
     return modes;
 }
 
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index 3702c62..8247d97 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -99,8 +99,8 @@
         int32_t width = -1;
         int32_t height = -1;
         nsecs_t vsyncPeriod = -1;
-        int32_t dpiX = -1;
-        int32_t dpiY = -1;
+        float dpiX = -1.f;
+        float dpiY = -1.f;
         int32_t configGroup = -1;
 
         friend std::ostream& operator<<(std::ostream& os, const HWCDisplayMode& mode) {
@@ -501,6 +501,9 @@
     std::optional<DisplayIdentificationInfo> onHotplugDisconnect(hal::HWDisplayId);
     bool shouldIgnoreHotplugConnect(hal::HWDisplayId, bool hasDisplayIdentificationData) const;
 
+    std::vector<HWCDisplayMode> getModesFromDisplayConfigurations(uint64_t hwcDisplayId) const;
+    std::vector<HWCDisplayMode> getModesFromLegacyDisplayConfigs(uint64_t hwcDisplayId) const;
+
     int32_t getAttribute(hal::HWDisplayId hwcDisplayId, hal::HWConfigId configId,
                          hal::Attribute attribute) const;
 
diff --git a/services/surfaceflinger/DisplayHardware/Hal.h b/services/surfaceflinger/DisplayHardware/Hal.h
index bf3089f..e95ae89 100644
--- a/services/surfaceflinger/DisplayHardware/Hal.h
+++ b/services/surfaceflinger/DisplayHardware/Hal.h
@@ -23,6 +23,7 @@
 #include <aidl/android/hardware/graphics/common/Hdr.h>
 #include <aidl/android/hardware/graphics/composer3/Composition.h>
 #include <aidl/android/hardware/graphics/composer3/DisplayCapability.h>
+#include <aidl/android/hardware/graphics/composer3/DisplayConfiguration.h>
 
 #define ERROR_HAS_CHANGES 5
 
@@ -34,6 +35,7 @@
 namespace V2_2 = android::hardware::graphics::composer::V2_2;
 namespace V2_3 = android::hardware::graphics::composer::V2_3;
 namespace V2_4 = android::hardware::graphics::composer::V2_4;
+namespace V3_0 = ::aidl::android::hardware::graphics::composer3;
 
 using types::V1_0::ColorTransform;
 using types::V1_0::Transform;
@@ -70,6 +72,7 @@
 using Vsync = IComposerClient::Vsync;
 using VsyncPeriodChangeConstraints = IComposerClient::VsyncPeriodChangeConstraints;
 using Hdr = aidl::android::hardware::graphics::common::Hdr;
+using DisplayConfiguration = V3_0::DisplayConfiguration;
 
 } // namespace hardware::graphics::composer::hal
 
diff --git a/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp b/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp
index 9b41da5..0655abc 100644
--- a/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp
+++ b/services/surfaceflinger/DisplayHardware/HidlComposerHal.cpp
@@ -269,6 +269,11 @@
     }
 }
 
+bool HidlComposer::getDisplayConfigurationsSupported() const {
+    // getDisplayConfigurations is not supported on the HIDL composer.
+    return false;
+};
+
 std::vector<Capability> HidlComposer::getCapabilities() {
     std::vector<Capability> capabilities;
     mComposer->getCapabilities([&](const auto& tmpCapabilities) {
@@ -477,6 +482,11 @@
     return error;
 }
 
+Error HidlComposer::getDisplayConfigurations(Display, std::vector<DisplayConfiguration>*) {
+    LOG_ALWAYS_FATAL("getDisplayConfigurations should not have been called on this, as "
+                     "it's a HWC3 interface version 3 feature");
+}
+
 Error HidlComposer::getDisplayName(Display display, std::string* outName) {
     Error error = kDefaultError;
     mClient->getDisplayName(display, [&](const auto& tmpError, const auto& tmpName) {
diff --git a/services/surfaceflinger/DisplayHardware/HidlComposerHal.h b/services/surfaceflinger/DisplayHardware/HidlComposerHal.h
index 0521acf..ac96d9a 100644
--- a/services/surfaceflinger/DisplayHardware/HidlComposerHal.h
+++ b/services/surfaceflinger/DisplayHardware/HidlComposerHal.h
@@ -167,6 +167,7 @@
     ~HidlComposer() override;
 
     bool isSupported(OptionalFeature) const;
+    bool getDisplayConfigurationsSupported() const;
 
     std::vector<aidl::android::hardware::graphics::composer3::Capability> getCapabilities()
             override;
@@ -196,6 +197,7 @@
     Error getDisplayAttribute(Display display, Config config, IComposerClient::Attribute attribute,
                               int32_t* outValue) override;
     Error getDisplayConfigs(Display display, std::vector<Config>* outConfigs);
+    Error getDisplayConfigurations(Display, std::vector<DisplayConfiguration>*);
     Error getDisplayName(Display display, std::string* outName) override;
 
     Error getDisplayRequests(Display display, uint32_t* outDisplayRequestMask,
diff --git a/services/surfaceflinger/FrontEnd/LayerSnapshot.h b/services/surfaceflinger/FrontEnd/LayerSnapshot.h
index 1416872..1afcef9 100644
--- a/services/surfaceflinger/FrontEnd/LayerSnapshot.h
+++ b/services/surfaceflinger/FrontEnd/LayerSnapshot.h
@@ -41,10 +41,6 @@
     }
 };
 
-struct ChildState {
-    bool hasValidFrameRate = false;
-};
-
 // LayerSnapshot stores Layer state used by CompositionEngine and RenderEngine. Composition
 // Engine uses a pointer to LayerSnapshot (as LayerFECompositionState*) and the LayerSettings
 // passed to Render Engine are created using properties stored on this struct.
@@ -99,7 +95,6 @@
     uint32_t touchCropId;
     gui::Uid uid = gui::Uid::INVALID;
     gui::Pid pid = gui::Pid::INVALID;
-    ChildState childState;
     enum class Reachablilty : uint32_t {
         // Can traverse the hierarchy from a root node and reach this snapshot
         Reachable,
diff --git a/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.cpp b/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.cpp
index 3a19d0b..7e678b9 100644
--- a/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.cpp
+++ b/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.cpp
@@ -558,7 +558,7 @@
         const LayerSnapshot& childSnapshot =
                 updateSnapshotsInHierarchy(args, *childHierarchy, traversalPath, *snapshot,
                                            depth + 1);
-        updateChildState(*snapshot, childSnapshot, args);
+        updateFrameRateFromChildSnapshot(*snapshot, childSnapshot, args);
     }
 
     if (oldFrameRate == snapshot->frameRate) {
@@ -666,36 +666,40 @@
     }
 }
 
-void LayerSnapshotBuilder::updateChildState(LayerSnapshot& snapshot,
-                                            const LayerSnapshot& childSnapshot, const Args& args) {
-    if (snapshot.childState.hasValidFrameRate) {
+void LayerSnapshotBuilder::updateFrameRateFromChildSnapshot(LayerSnapshot& snapshot,
+                                                            const LayerSnapshot& childSnapshot,
+                                                            const Args& args) {
+    if (args.forceUpdate == ForceUpdateFlags::NONE &&
+        !childSnapshot.changes.any(RequestedLayerState::Changes::FrameRate |
+                                   RequestedLayerState::Changes::Hierarchy)) {
         return;
     }
-    if (args.forceUpdate == ForceUpdateFlags::ALL ||
-        childSnapshot.changes.test(RequestedLayerState::Changes::FrameRate)) {
-        // We return whether this layer ot its children has a vote. We ignore ExactOrMultiple votes
-        // for the same reason we are allowing touch boost for those layers. See
-        // RefreshRateSelector::rankFrameRates for details.
-        using FrameRateCompatibility = scheduler::LayerInfo::FrameRateCompatibility;
-        const auto layerVotedWithDefaultCompatibility = childSnapshot.frameRate.rate.isValid() &&
-                childSnapshot.frameRate.type == FrameRateCompatibility::Default;
-        const auto layerVotedWithNoVote =
-                childSnapshot.frameRate.type == FrameRateCompatibility::NoVote;
-        const auto layerVotedWithExactCompatibility = childSnapshot.frameRate.rate.isValid() &&
-                childSnapshot.frameRate.type == FrameRateCompatibility::Exact;
 
-        snapshot.childState.hasValidFrameRate |= layerVotedWithDefaultCompatibility ||
-                layerVotedWithNoVote || layerVotedWithExactCompatibility;
+    using FrameRateCompatibility = scheduler::LayerInfo::FrameRateCompatibility;
+    if (snapshot.frameRate.rate.isValid() ||
+        snapshot.frameRate.type == FrameRateCompatibility::NoVote) {
+        // we already have a valid framerate.
+        return;
+    }
 
-        // If we don't have a valid frame rate, but the children do, we set this
-        // layer as NoVote to allow the children to control the refresh rate
-        if (!snapshot.frameRate.rate.isValid() &&
-            snapshot.frameRate.type != FrameRateCompatibility::NoVote &&
-            snapshot.childState.hasValidFrameRate) {
-            snapshot.frameRate =
-                    scheduler::LayerInfo::FrameRate(Fps(), FrameRateCompatibility::NoVote);
-            snapshot.changes |= childSnapshot.changes & RequestedLayerState::Changes::FrameRate;
-        }
+    // We return whether this layer or its children has a vote. We ignore ExactOrMultiple votes
+    // for the same reason we are allowing touch boost for those layers. See
+    // RefreshRateSelector::rankFrameRates for details.
+    const auto layerVotedWithDefaultCompatibility = childSnapshot.frameRate.rate.isValid() &&
+            childSnapshot.frameRate.type == FrameRateCompatibility::Default;
+    const auto layerVotedWithNoVote =
+            childSnapshot.frameRate.type == FrameRateCompatibility::NoVote;
+    const auto layerVotedWithExactCompatibility = childSnapshot.frameRate.rate.isValid() &&
+            childSnapshot.frameRate.type == FrameRateCompatibility::Exact;
+
+    bool childHasValidFrameRate = layerVotedWithDefaultCompatibility || layerVotedWithNoVote ||
+            layerVotedWithExactCompatibility;
+
+    // If we don't have a valid frame rate, but the children do, we set this
+    // layer as NoVote to allow the children to control the refresh rate
+    if (childHasValidFrameRate) {
+        snapshot.frameRate = scheduler::LayerInfo::FrameRate(Fps(), FrameRateCompatibility::NoVote);
+        snapshot.changes |= RequestedLayerState::Changes::FrameRate;
     }
 }
 
@@ -812,7 +816,9 @@
         }
     }
 
-    if (forceUpdate || snapshot.changes.any(RequestedLayerState::Changes::FrameRate)) {
+    if (forceUpdate ||
+        snapshot.changes.any(RequestedLayerState::Changes::FrameRate |
+                             RequestedLayerState::Changes::Hierarchy)) {
         snapshot.frameRate = (requested.requestedFrameRate.rate.isValid() ||
                               (requested.requestedFrameRate.type ==
                                scheduler::LayerInfo::FrameRateCompatibility::NoVote))
diff --git a/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.h b/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.h
index c81a5d2..d361605 100644
--- a/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.h
+++ b/services/surfaceflinger/FrontEnd/LayerSnapshotBuilder.h
@@ -116,8 +116,8 @@
     LayerSnapshot* createSnapshot(const LayerHierarchy::TraversalPath& id,
                                   const RequestedLayerState& layer,
                                   const LayerSnapshot& parentSnapshot);
-    void updateChildState(LayerSnapshot& snapshot, const LayerSnapshot& childSnapshot,
-                          const Args& args);
+    void updateFrameRateFromChildSnapshot(LayerSnapshot& snapshot,
+                                          const LayerSnapshot& childSnapshot, const Args& args);
     void updateTouchableRegionCrop(const Args& args);
 
     std::unordered_map<LayerHierarchy::TraversalPath, LayerSnapshot*,
diff --git a/services/surfaceflinger/Scheduler/Scheduler.cpp b/services/surfaceflinger/Scheduler/Scheduler.cpp
index 08667bf..d6d7725 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.cpp
+++ b/services/surfaceflinger/Scheduler/Scheduler.cpp
@@ -25,6 +25,7 @@
 #include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
 #include <android/hardware/configstore/1.1/ISurfaceFlingerConfigs.h>
 #include <configstore/Utils.h>
+#include <ftl/concat.h>
 #include <ftl/enum.h>
 #include <ftl/fake_guard.h>
 #include <ftl/small_map.h>
@@ -130,8 +131,8 @@
     auto [pacesetterVsyncSchedule, isNew] = [&]() FTL_FAKE_GUARD(kMainThreadContext) {
         std::scoped_lock lock(mDisplayLock);
         const bool isNew = mDisplays
-                                   .emplace_or_replace(displayId, std::move(selectorPtr),
-                                                       std::move(schedulePtr))
+                                   .emplace_or_replace(displayId, displayId, std::move(selectorPtr),
+                                                       std::move(schedulePtr), mFeatures)
                                    .second;
 
         return std::make_pair(promotePacesetterDisplayLocked(), isNew);
@@ -171,21 +172,43 @@
 
 void Scheduler::onFrameSignal(ICompositor& compositor, VsyncId vsyncId,
                               TimePoint expectedVsyncTime) {
-    mPacesetterFrameTargeter.beginFrame({.frameBeginTime = SchedulerClock::now(),
-                                         .vsyncId = vsyncId,
-                                         .expectedVsyncTime = expectedVsyncTime,
-                                         .sfWorkDuration =
-                                                 mVsyncModulator->getVsyncConfig().sfWorkDuration},
-                                        *getVsyncSchedule());
+    const FrameTargeter::BeginFrameArgs beginFrameArgs =
+            {.frameBeginTime = SchedulerClock::now(),
+             .vsyncId = vsyncId,
+             // TODO(b/255601557): Calculate per display.
+             .expectedVsyncTime = expectedVsyncTime,
+             .sfWorkDuration = mVsyncModulator->getVsyncConfig().sfWorkDuration};
 
-    if (!compositor.commit(mPacesetterFrameTargeter.target())) {
-        return;
+    LOG_ALWAYS_FATAL_IF(!mPacesetterDisplayId);
+    const auto pacesetterId = *mPacesetterDisplayId;
+    const auto pacesetterOpt = mDisplays.get(pacesetterId);
+
+    FrameTargeter& pacesetterTargeter = *pacesetterOpt->get().targeterPtr;
+    pacesetterTargeter.beginFrame(beginFrameArgs, *pacesetterOpt->get().schedulePtr);
+
+    if (!compositor.commit(pacesetterTargeter.target())) return;
+
+    // TODO(b/256196556): Choose the frontrunner display.
+    FrameTargeters targeters;
+    targeters.try_emplace(pacesetterId, &pacesetterTargeter);
+
+    for (auto& [id, display] : mDisplays) {
+        if (id == pacesetterId) continue;
+
+        FrameTargeter& targeter = *display.targeterPtr;
+        targeter.beginFrame(beginFrameArgs, *display.schedulePtr);
+
+        targeters.try_emplace(id, &targeter);
     }
 
-    const auto compositeResult = compositor.composite(mPacesetterFrameTargeter);
+    const auto resultsPerDisplay = compositor.composite(pacesetterId, targeters);
     compositor.sample();
 
-    mPacesetterFrameTargeter.endFrame(compositeResult);
+    for (const auto& [id, targeter] : targeters) {
+        const auto resultOpt = resultsPerDisplay.get(id);
+        LOG_ALWAYS_FATAL_IF(!resultOpt);
+        targeter->endFrame(*resultOpt);
+    }
 }
 
 std::optional<Fps> Scheduler::getFrameRateOverride(uid_t uid) const {
@@ -539,8 +562,16 @@
 }
 
 void Scheduler::addPresentFence(PhysicalDisplayId id, std::shared_ptr<FenceTime> fence) {
-    auto schedule = getVsyncSchedule(id);
-    LOG_ALWAYS_FATAL_IF(!schedule);
+    const auto scheduleOpt =
+            (ftl::FakeGuard(mDisplayLock), mDisplays.get(id)).and_then([](const Display& display) {
+                return display.powerMode == hal::PowerMode::OFF
+                        ? std::nullopt
+                        : std::make_optional(display.schedulePtr);
+            });
+
+    if (!scheduleOpt) return;
+    const auto& schedule = scheduleOpt->get();
+
     if (const bool needMoreSignals = schedule->getController().addPresentFence(std::move(fence))) {
         schedule->enableHardwareVsync();
     } else {
@@ -750,7 +781,23 @@
     mFrameRateOverrideMappings.dump(dumper);
     dumper.eol();
 
-    mPacesetterFrameTargeter.dump(dumper);
+    {
+        utils::Dumper::Section section(dumper, "Frame Targeting"sv);
+
+        std::scoped_lock lock(mDisplayLock);
+        ftl::FakeGuard guard(kMainThreadContext);
+
+        for (const auto& [id, display] : mDisplays) {
+            utils::Dumper::Section
+                    section(dumper,
+                            id == mPacesetterDisplayId
+                                    ? ftl::Concat("Pacesetter Display ", id.value).c_str()
+                                    : ftl::Concat("Follower Display ", id.value).c_str());
+
+            display.targeterPtr->dump(dumper);
+            dumper.eol();
+        }
+    }
 }
 
 void Scheduler::dumpVsync(std::string& out) const {
@@ -771,6 +818,12 @@
 }
 
 bool Scheduler::updateFrameRateOverrides(GlobalSignals consideredSignals, Fps displayRefreshRate) {
+    std::scoped_lock lock(mPolicyLock);
+    return updateFrameRateOverridesLocked(consideredSignals, displayRefreshRate);
+}
+
+bool Scheduler::updateFrameRateOverridesLocked(GlobalSignals consideredSignals,
+                                               Fps displayRefreshRate) {
     if (consideredSignals.idle) return false;
 
     const auto frameRateOverrides =
@@ -989,7 +1042,7 @@
                                                 .emitEvent = !choice.consideredSignals.idle});
         }
 
-        frameRateOverridesChanged = updateFrameRateOverrides(consideredSignals, modeOpt->fps);
+        frameRateOverridesChanged = updateFrameRateOverridesLocked(consideredSignals, modeOpt->fps);
 
         if (mPolicy.modeOpt != modeOpt) {
             mPolicy.modeOpt = modeOpt;
diff --git a/services/surfaceflinger/Scheduler/Scheduler.h b/services/surfaceflinger/Scheduler/Scheduler.h
index 0ffa2d2..85d0f9a 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.h
+++ b/services/surfaceflinger/Scheduler/Scheduler.h
@@ -222,7 +222,7 @@
     // otherwise.
     bool addResyncSample(PhysicalDisplayId, nsecs_t timestamp,
                          std::optional<nsecs_t> hwcVsyncPeriod);
-    void addPresentFence(PhysicalDisplayId, std::shared_ptr<FenceTime>) EXCLUDES(mDisplayLock)
+    void addPresentFence(PhysicalDisplayId, std::shared_ptr<FenceTime>)
             REQUIRES(kMainThreadContext);
 
     // Layers are registered on creation, and unregistered when the weak reference expires.
@@ -254,7 +254,14 @@
         return std::const_pointer_cast<VsyncSchedule>(std::as_const(*this).getVsyncSchedule(idOpt));
     }
 
-    const FrameTarget& pacesetterFrameTarget() { return mPacesetterFrameTargeter.target(); }
+    TimePoint expectedPresentTimeForPacesetter() const EXCLUDES(mDisplayLock) {
+        std::scoped_lock lock(mDisplayLock);
+        return pacesetterDisplayLocked()
+                .transform([](const Display& display) {
+                    return display.targeterPtr->target().expectedPresentTime();
+                })
+                .value_or(TimePoint());
+    }
 
     // Returns true if a given vsync timestamp is considered valid vsync
     // for a given uid
@@ -300,6 +307,8 @@
         return mLayerHistory.getLayerFramerate(now, id);
     }
 
+    bool updateFrameRateOverrides(GlobalSignals, Fps displayRefreshRate) EXCLUDES(mPolicyLock);
+
 private:
     friend class TestableScheduler;
 
@@ -308,7 +317,8 @@
     enum class TouchState { Inactive, Active };
 
     // impl::MessageQueue overrides:
-    void onFrameSignal(ICompositor&, VsyncId, TimePoint expectedVsyncTime) override;
+    void onFrameSignal(ICompositor&, VsyncId, TimePoint expectedVsyncTime) override
+            REQUIRES(kMainThreadContext, mDisplayLock);
 
     // Create a connection on the given EventThread.
     ConnectionHandle createConnection(std::unique_ptr<EventThread>);
@@ -384,7 +394,8 @@
 
     GlobalSignals makeGlobalSignals() const REQUIRES(mPolicyLock);
 
-    bool updateFrameRateOverrides(GlobalSignals, Fps displayRefreshRate) REQUIRES(mPolicyLock);
+    bool updateFrameRateOverridesLocked(GlobalSignals, Fps displayRefreshRate)
+            REQUIRES(mPolicyLock);
     void updateAttachedChoreographers(const surfaceflinger::frontend::LayerHierarchy&,
                                       Fps displayRefreshRate);
     int updateAttachedChoreographersInternal(const surfaceflinger::frontend::LayerHierarchy&,
@@ -434,13 +445,24 @@
     // must lock for writes but not reads. See also mPolicyLock for locking order.
     mutable std::mutex mDisplayLock;
 
+    using FrameTargeterPtr = std::unique_ptr<FrameTargeter>;
+
     struct Display {
-        Display(RefreshRateSelectorPtr selectorPtr, VsyncSchedulePtr schedulePtr)
-              : selectorPtr(std::move(selectorPtr)), schedulePtr(std::move(schedulePtr)) {}
+        Display(PhysicalDisplayId displayId, RefreshRateSelectorPtr selectorPtr,
+                VsyncSchedulePtr schedulePtr, FeatureFlags features)
+              : displayId(displayId),
+                selectorPtr(std::move(selectorPtr)),
+                schedulePtr(std::move(schedulePtr)),
+                targeterPtr(std::make_unique<
+                            FrameTargeter>(displayId,
+                                           features.test(Feature::kBackpressureGpuComposition))) {}
+
+        const PhysicalDisplayId displayId;
 
         // Effectively const except in move constructor.
         RefreshRateSelectorPtr selectorPtr;
         VsyncSchedulePtr schedulePtr;
+        FrameTargeterPtr targeterPtr;
 
         hal::PowerMode powerMode = hal::PowerMode::OFF;
     };
@@ -454,8 +476,6 @@
     ftl::Optional<PhysicalDisplayId> mPacesetterDisplayId GUARDED_BY(mDisplayLock)
             GUARDED_BY(kMainThreadContext);
 
-    FrameTargeter mPacesetterFrameTargeter{mFeatures.test(Feature::kBackpressureGpuComposition)};
-
     ftl::Optional<DisplayRef> pacesetterDisplayLocked() REQUIRES(mDisplayLock) {
         return static_cast<const Scheduler*>(this)->pacesetterDisplayLocked().transform(
                 [](const Display& display) { return std::ref(const_cast<Display&>(display)); });
diff --git a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h
index 6499d69..e0fb8f9 100644
--- a/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h
+++ b/services/surfaceflinger/Scheduler/VSyncDispatchTimerQueue.h
@@ -146,13 +146,14 @@
     void cancelTimer() REQUIRES(mMutex);
     ScheduleResult scheduleLocked(CallbackToken, ScheduleTiming) REQUIRES(mMutex);
 
+    std::mutex mutable mMutex;
+
     static constexpr nsecs_t kInvalidTime = std::numeric_limits<int64_t>::max();
     std::unique_ptr<TimeKeeper> const mTimeKeeper;
     VsyncSchedule::TrackerPtr mTracker;
     nsecs_t const mTimerSlack;
     nsecs_t const mMinVsyncDistance;
 
-    std::mutex mutable mMutex;
     size_t mCallbackToken GUARDED_BY(mMutex) = 0;
 
     CallbackMap mCallbacks GUARDED_BY(mMutex);
diff --git a/services/surfaceflinger/Scheduler/include/scheduler/FrameTargeter.h b/services/surfaceflinger/Scheduler/include/scheduler/FrameTargeter.h
index 85f2e64..ae74205 100644
--- a/services/surfaceflinger/Scheduler/include/scheduler/FrameTargeter.h
+++ b/services/surfaceflinger/Scheduler/include/scheduler/FrameTargeter.h
@@ -20,6 +20,7 @@
 #include <atomic>
 #include <memory>
 
+#include <ui/DisplayId.h>
 #include <ui/Fence.h>
 #include <ui/FenceTime.h>
 
@@ -75,16 +76,17 @@
     bool didMissHwcFrame() const { return mHwcFrameMissed && !mGpuFrameMissed; }
 
 protected:
+    explicit FrameTarget(const std::string& displayLabel);
     ~FrameTarget() = default;
 
     VsyncId mVsyncId;
     TimePoint mFrameBeginTime;
     TimePoint mExpectedPresentTime;
 
-    TracedOrdinal<bool> mFramePending{"PrevFramePending", false};
-    TracedOrdinal<bool> mFrameMissed{"PrevFrameMissed", false};
-    TracedOrdinal<bool> mHwcFrameMissed{"PrevHwcFrameMissed", false};
-    TracedOrdinal<bool> mGpuFrameMissed{"PrevGpuFrameMissed", false};
+    TracedOrdinal<bool> mFramePending;
+    TracedOrdinal<bool> mFrameMissed;
+    TracedOrdinal<bool> mHwcFrameMissed;
+    TracedOrdinal<bool> mGpuFrameMissed;
 
     struct FenceWithFenceTime {
         sp<Fence> fence = Fence::NO_FENCE;
@@ -103,8 +105,9 @@
 // Computes a display's per-frame metrics about past/upcoming targeting of present deadlines.
 class FrameTargeter final : private FrameTarget {
 public:
-    explicit FrameTargeter(bool backpressureGpuComposition)
-          : mBackpressureGpuComposition(backpressureGpuComposition) {}
+    FrameTargeter(PhysicalDisplayId displayId, bool backpressureGpuComposition)
+          : FrameTarget(to_string(displayId)),
+            mBackpressureGpuComposition(backpressureGpuComposition) {}
 
     const FrameTarget& target() const { return *this; }
 
diff --git a/services/surfaceflinger/Scheduler/include/scheduler/interface/CompositeResult.h b/services/surfaceflinger/Scheduler/include/scheduler/interface/CompositeResult.h
index f795f1f..87c704e 100644
--- a/services/surfaceflinger/Scheduler/include/scheduler/interface/CompositeResult.h
+++ b/services/surfaceflinger/Scheduler/include/scheduler/interface/CompositeResult.h
@@ -16,6 +16,9 @@
 
 #pragma once
 
+#include <ui/DisplayId.h>
+#include <ui/DisplayMap.h>
+
 #include <scheduler/interface/CompositionCoverage.h>
 
 namespace android {
@@ -24,4 +27,6 @@
     CompositionCoverageFlags compositionCoverage;
 };
 
+using CompositeResultsPerDisplay = ui::PhysicalDisplayMap<PhysicalDisplayId, CompositeResult>;
+
 } // namespace android
diff --git a/services/surfaceflinger/Scheduler/include/scheduler/interface/CompositionCoverage.h b/services/surfaceflinger/Scheduler/include/scheduler/interface/CompositionCoverage.h
index 3d0f1a9..767462d 100644
--- a/services/surfaceflinger/Scheduler/include/scheduler/interface/CompositionCoverage.h
+++ b/services/surfaceflinger/Scheduler/include/scheduler/interface/CompositionCoverage.h
@@ -19,6 +19,8 @@
 #include <cstdint>
 
 #include <ftl/flags.h>
+#include <ui/DisplayId.h>
+#include <ui/DisplayMap.h>
 
 namespace android {
 
@@ -34,4 +36,14 @@
 
 using CompositionCoverageFlags = ftl::Flags<CompositionCoverage>;
 
+using CompositionCoveragePerDisplay = ui::DisplayMap<DisplayId, CompositionCoverageFlags>;
+
+inline CompositionCoverageFlags multiDisplayUnion(const CompositionCoveragePerDisplay& displays) {
+    CompositionCoverageFlags coverage;
+    for (const auto& [id, flags] : displays) {
+        coverage |= flags;
+    }
+    return coverage;
+}
+
 } // namespace android
diff --git a/services/surfaceflinger/Scheduler/include/scheduler/interface/ICompositor.h b/services/surfaceflinger/Scheduler/include/scheduler/interface/ICompositor.h
index 2696076..6fe813a 100644
--- a/services/surfaceflinger/Scheduler/include/scheduler/interface/ICompositor.h
+++ b/services/surfaceflinger/Scheduler/include/scheduler/interface/ICompositor.h
@@ -16,6 +16,9 @@
 
 #pragma once
 
+#include <ui/DisplayId.h>
+#include <ui/DisplayMap.h>
+
 #include <scheduler/Time.h>
 #include <scheduler/VsyncId.h>
 #include <scheduler/interface/CompositeResult.h>
@@ -26,6 +29,8 @@
 class FrameTarget;
 class FrameTargeter;
 
+using FrameTargeters = ui::PhysicalDisplayMap<PhysicalDisplayId, scheduler::FrameTargeter*>;
+
 } // namespace scheduler
 
 struct ICompositor {
@@ -38,7 +43,8 @@
 
     // Composites a frame for each display. CompositionEngine performs GPU and/or HAL composition
     // via RenderEngine and the Composer HAL, respectively.
-    virtual CompositeResult composite(scheduler::FrameTargeter&) = 0;
+    virtual CompositeResultsPerDisplay composite(PhysicalDisplayId pacesetterId,
+                                                 const scheduler::FrameTargeters&) = 0;
 
     // Samples the composited frame via RegionSamplingThread.
     virtual void sample() = 0;
diff --git a/services/surfaceflinger/Scheduler/src/FrameTargeter.cpp b/services/surfaceflinger/Scheduler/src/FrameTargeter.cpp
index 7138afd..7a18654 100644
--- a/services/surfaceflinger/Scheduler/src/FrameTargeter.cpp
+++ b/services/surfaceflinger/Scheduler/src/FrameTargeter.cpp
@@ -21,6 +21,12 @@
 
 namespace android::scheduler {
 
+FrameTarget::FrameTarget(const std::string& displayLabel)
+      : mFramePending("PrevFramePending " + displayLabel, false),
+        mFrameMissed("PrevFrameMissed " + displayLabel, false),
+        mHwcFrameMissed("PrevHwcFrameMissed " + displayLabel, false),
+        mGpuFrameMissed("PrevGpuFrameMissed " + displayLabel, false) {}
+
 TimePoint FrameTarget::pastVsyncTime(Period vsyncPeriod) const {
     // TODO(b/267315508): Generalize to N VSYNCs.
     const int shift = static_cast<int>(targetsVsyncsAhead<2>(vsyncPeriod));
@@ -130,10 +136,6 @@
 }
 
 void FrameTargeter::dump(utils::Dumper& dumper) const {
-    using namespace std::string_view_literals;
-
-    utils::Dumper::Section section(dumper, "Frame Targeting"sv);
-
     // There are scripts and tests that expect this (rather than "name=value") format.
     dumper.dump({}, "Total missed frame count: " + std::to_string(mFrameMissedCount));
     dumper.dump({}, "HWC missed frame count: " + std::to_string(mHwcFrameMissedCount));
diff --git a/services/surfaceflinger/Scheduler/tests/FrameTargeterTest.cpp b/services/surfaceflinger/Scheduler/tests/FrameTargeterTest.cpp
index 908f214..1e038d1 100644
--- a/services/surfaceflinger/Scheduler/tests/FrameTargeterTest.cpp
+++ b/services/surfaceflinger/Scheduler/tests/FrameTargeterTest.cpp
@@ -96,7 +96,7 @@
     FenceToFenceTimeMap mFenceMap;
 
     static constexpr bool kBackpressureGpuComposition = true;
-    FrameTargeter mTargeter{kBackpressureGpuComposition};
+    FrameTargeter mTargeter{PhysicalDisplayId::fromPort(13), kBackpressureGpuComposition};
 };
 
 TEST_F(FrameTargeterTest, targetsFrames) {
diff --git a/services/surfaceflinger/ScreenCaptureOutput.cpp b/services/surfaceflinger/ScreenCaptureOutput.cpp
index b345913..0103843 100644
--- a/services/surfaceflinger/ScreenCaptureOutput.cpp
+++ b/services/surfaceflinger/ScreenCaptureOutput.cpp
@@ -55,6 +55,7 @@
     output->setRenderSurface(std::make_unique<ScreenCaptureRenderSurface>(std::move(args.buffer)));
     output->setDisplayBrightness(args.sdrWhitePointNits, args.displayBrightnessNits);
     output->editState().clientTargetBrightness = args.targetBrightness;
+    output->editState().treat170mAsSrgb = args.treat170mAsSrgb;
 
     output->setDisplayColorProfile(std::make_unique<compositionengine::impl::DisplayColorProfile>(
             compositionengine::DisplayColorProfileCreationArgsBuilder()
diff --git a/services/surfaceflinger/ScreenCaptureOutput.h b/services/surfaceflinger/ScreenCaptureOutput.h
index 3c307b0..159c2bf 100644
--- a/services/surfaceflinger/ScreenCaptureOutput.h
+++ b/services/surfaceflinger/ScreenCaptureOutput.h
@@ -36,6 +36,7 @@
     // Counterintuitively, when targetBrightness > 1.0 then dim the scene.
     float targetBrightness;
     bool regionSampling;
+    bool treat170mAsSrgb;
 };
 
 // ScreenCaptureOutput is used to compose a set of layers into a preallocated buffer.
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 8c8f7dd..198e92a 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -2181,7 +2181,7 @@
     }
 }
 
-void SurfaceFlinger::configure() FTL_FAKE_GUARD(kMainThreadContext) {
+void SurfaceFlinger::configure() {
     Mutex::Autolock lock(mStateLock);
     if (configureLocked()) {
         setTransactionFlags(eDisplayTransactionNeeded);
@@ -2401,8 +2401,7 @@
     return mustComposite;
 }
 
-bool SurfaceFlinger::commit(const scheduler::FrameTarget& pacesetterFrameTarget)
-        FTL_FAKE_GUARD(kMainThreadContext) {
+bool SurfaceFlinger::commit(const scheduler::FrameTarget& pacesetterFrameTarget) {
     const VsyncId vsyncId = pacesetterFrameTarget.vsyncId();
     ATRACE_NAME(ftl::Concat(__func__, ' ', ftl::to_underlying(vsyncId)).c_str());
 
@@ -2523,7 +2522,9 @@
     }
 
     updateCursorAsync();
-    updateInputFlinger(vsyncId, pacesetterFrameTarget.frameBeginTime());
+    if (!mustComposite) {
+        updateInputFlinger(vsyncId, pacesetterFrameTarget.frameBeginTime());
+    }
 
     if (mLayerTracingEnabled && !mLayerTracing.flagIsSet(LayerTracing::TRACE_COMPOSITION)) {
         // This will block and tracing should only be enabled for debugging.
@@ -2536,31 +2537,42 @@
     return mustComposite && CC_LIKELY(mBootStage != BootStage::BOOTLOADER);
 }
 
-CompositeResult SurfaceFlinger::composite(scheduler::FrameTargeter& pacesetterFrameTargeter)
-        FTL_FAKE_GUARD(kMainThreadContext) {
-    const scheduler::FrameTarget& pacesetterFrameTarget = pacesetterFrameTargeter.target();
+CompositeResultsPerDisplay SurfaceFlinger::composite(
+        PhysicalDisplayId pacesetterId, const scheduler::FrameTargeters& frameTargeters) {
+    const scheduler::FrameTarget& pacesetterTarget =
+            frameTargeters.get(pacesetterId)->get()->target();
 
-    const VsyncId vsyncId = pacesetterFrameTarget.vsyncId();
+    const VsyncId vsyncId = pacesetterTarget.vsyncId();
     ATRACE_NAME(ftl::Concat(__func__, ' ', ftl::to_underlying(vsyncId)).c_str());
 
     compositionengine::CompositionRefreshArgs refreshArgs;
     refreshArgs.powerCallback = this;
     const auto& displays = FTL_FAKE_GUARD(mStateLock, mDisplays);
     refreshArgs.outputs.reserve(displays.size());
+
+    // Add outputs for physical displays.
+    for (const auto& [id, targeter] : frameTargeters) {
+        ftl::FakeGuard guard(mStateLock);
+
+        if (const auto display = getCompositionDisplayLocked(id)) {
+            refreshArgs.outputs.push_back(display);
+        }
+    }
+
     std::vector<DisplayId> displayIds;
     for (const auto& [_, display] : displays) {
         displayIds.push_back(display->getId());
         display->tracePowerMode();
 
+        // Add outputs for virtual displays.
         if (display->isVirtual()) {
             const Fps refreshRate = display->getAdjustedRefreshRate();
-            if (refreshRate.isValid() &&
-                !mScheduler->isVsyncInPhase(pacesetterFrameTarget.frameBeginTime(), refreshRate)) {
-                continue;
+
+            if (!refreshRate.isValid() ||
+                mScheduler->isVsyncInPhase(pacesetterTarget.frameBeginTime(), refreshRate)) {
+                refreshArgs.outputs.push_back(display->getCompositionDisplay());
             }
         }
-
-        refreshArgs.outputs.push_back(display->getCompositionDisplay());
     }
     mPowerAdvisor->setDisplays(displayIds);
 
@@ -2620,15 +2632,16 @@
 
     if (!getHwComposer().getComposer()->isSupported(
                 Hwc2::Composer::OptionalFeature::ExpectedPresentTime) &&
-        pacesetterFrameTarget.wouldPresentEarly(vsyncPeriod)) {
+        pacesetterTarget.wouldPresentEarly(vsyncPeriod)) {
         const auto hwcMinWorkDuration = mVsyncConfiguration->getCurrentConfigs().hwcMinWorkDuration;
 
+        // TODO(b/255601557): Calculate and pass per-display values for each FrameTarget.
         refreshArgs.earliestPresentTime =
-                pacesetterFrameTarget.previousFrameVsyncTime(vsyncPeriod) - hwcMinWorkDuration;
+                pacesetterTarget.previousFrameVsyncTime(vsyncPeriod) - hwcMinWorkDuration;
     }
 
     refreshArgs.scheduledFrameTime = mScheduler->getScheduledFrameTime();
-    refreshArgs.expectedPresentTime = pacesetterFrameTarget.expectedPresentTime().ns();
+    refreshArgs.expectedPresentTime = pacesetterTarget.expectedPresentTime().ns();
     refreshArgs.hasTrustedPresentationListener = mNumTrustedPresentationListeners > 0;
 
     // Store the present time just before calling to the composition engine so we could notify
@@ -2654,14 +2667,14 @@
         }
     }
 
-    mTimeStats->recordFrameDuration(pacesetterFrameTarget.frameBeginTime().ns(), systemTime());
+    mTimeStats->recordFrameDuration(pacesetterTarget.frameBeginTime().ns(), systemTime());
 
     // Send a power hint after presentation is finished.
     if (mPowerHintSessionEnabled) {
         // Now that the current frame has been presented above, PowerAdvisor needs the present time
         // of the previous frame (whose fence is signaled by now) to determine how long the HWC had
         // waited on that fence to retire before presenting.
-        const auto& previousPresentFence = pacesetterFrameTarget.presentFenceForPreviousFrame();
+        const auto& previousPresentFence = pacesetterTarget.presentFenceForPreviousFrame();
 
         mPowerAdvisor->setSfPresentTiming(TimePoint::fromNs(previousPresentFence->getSignalTime()),
                                           TimePoint::now());
@@ -2672,23 +2685,27 @@
         scheduleComposite(FrameHint::kNone);
     }
 
-    postComposition(pacesetterFrameTargeter, presentTime);
+    postComposition(pacesetterId, frameTargeters, presentTime);
 
-    const bool hadGpuComposited = mCompositionCoverage.test(CompositionCoverage::Gpu);
+    const bool hadGpuComposited =
+            multiDisplayUnion(mCompositionCoverage).test(CompositionCoverage::Gpu);
     mCompositionCoverage.clear();
 
     TimeStats::ClientCompositionRecord clientCompositionRecord;
+
     for (const auto& [_, display] : displays) {
         const auto& state = display->getCompositionDisplay()->getState();
+        CompositionCoverageFlags& flags =
+                mCompositionCoverage.try_emplace(display->getId()).first->second;
 
         if (state.usesDeviceComposition) {
-            mCompositionCoverage |= CompositionCoverage::Hwc;
+            flags |= CompositionCoverage::Hwc;
         }
 
         if (state.reusedClientComposition) {
-            mCompositionCoverage |= CompositionCoverage::GpuReuse;
+            flags |= CompositionCoverage::GpuReuse;
         } else if (state.usesClientComposition) {
-            mCompositionCoverage |= CompositionCoverage::Gpu;
+            flags |= CompositionCoverage::Gpu;
         }
 
         clientCompositionRecord.predicted |=
@@ -2697,10 +2714,11 @@
                 (state.strategyPrediction == CompositionStrategyPredictionState::SUCCESS);
     }
 
-    const bool hasGpuComposited = mCompositionCoverage.test(CompositionCoverage::Gpu);
+    const auto coverage = multiDisplayUnion(mCompositionCoverage);
+    const bool hasGpuComposited = coverage.test(CompositionCoverage::Gpu);
 
     clientCompositionRecord.hadClientComposition = hasGpuComposited;
-    clientCompositionRecord.reused = mCompositionCoverage.test(CompositionCoverage::GpuReuse);
+    clientCompositionRecord.reused = coverage.test(CompositionCoverage::GpuReuse);
     clientCompositionRecord.changed = hadGpuComposited != hasGpuComposited;
 
     mTimeStats->pushCompositionStrategyState(clientCompositionRecord);
@@ -2709,15 +2727,17 @@
 
     // TODO(b/160583065): Enable skip validation when SF caches all client composition layers.
     const bool hasGpuUseOrReuse =
-            mCompositionCoverage.any(CompositionCoverage::Gpu | CompositionCoverage::GpuReuse);
+            coverage.any(CompositionCoverage::Gpu | CompositionCoverage::GpuReuse);
     mScheduler->modulateVsync({}, &VsyncModulator::onDisplayRefresh, hasGpuUseOrReuse);
 
     mLayersWithQueuedFrames.clear();
     if (mLayerTracingEnabled && mLayerTracing.flagIsSet(LayerTracing::TRACE_COMPOSITION)) {
         // This will block and should only be used for debugging.
-        addToLayerTracing(mVisibleRegionsDirty, pacesetterFrameTarget.frameBeginTime(), vsyncId);
+        addToLayerTracing(mVisibleRegionsDirty, pacesetterTarget.frameBeginTime(), vsyncId);
     }
 
+    updateInputFlinger(vsyncId, pacesetterTarget.frameBeginTime());
+
     if (mVisibleRegionsDirty) mHdrLayerInfoChanged = true;
     mVisibleRegionsDirty = false;
 
@@ -2729,7 +2749,16 @@
         mPowerAdvisor->setCompositeEnd(TimePoint::now());
     }
 
-    return {mCompositionCoverage};
+    CompositeResultsPerDisplay resultsPerDisplay;
+
+    // Filter out virtual displays.
+    for (const auto& [id, coverage] : mCompositionCoverage) {
+        if (const auto idOpt = PhysicalDisplayId::tryCast(id)) {
+            resultsPerDisplay.try_emplace(*idOpt, CompositeResult{coverage});
+        }
+    }
+
+    return resultsPerDisplay;
 }
 
 void SurfaceFlinger::updateLayerGeometry() {
@@ -2813,35 +2842,56 @@
     return ui::ROTATION_0;
 }
 
-void SurfaceFlinger::postComposition(scheduler::FrameTargeter& pacesetterFrameTargeter,
+void SurfaceFlinger::postComposition(PhysicalDisplayId pacesetterId,
+                                     const scheduler::FrameTargeters& frameTargeters,
                                      nsecs_t presentStartTime) {
     ATRACE_CALL();
     ALOGV(__func__);
 
-    const auto* defaultDisplay = FTL_FAKE_GUARD(mStateLock, getDefaultDisplayDeviceLocked()).get();
+    ui::PhysicalDisplayMap<PhysicalDisplayId, std::shared_ptr<FenceTime>> presentFences;
+    ui::PhysicalDisplayMap<PhysicalDisplayId, const sp<Fence>> gpuCompositionDoneFences;
 
-    std::shared_ptr<FenceTime> glCompositionDoneFenceTime;
-    if (defaultDisplay &&
-        defaultDisplay->getCompositionDisplay()->getState().usesClientComposition) {
-        glCompositionDoneFenceTime =
-                std::make_shared<FenceTime>(defaultDisplay->getCompositionDisplay()
-                                                    ->getRenderSurface()
-                                                    ->getClientTargetAcquireFence());
-    } else {
-        glCompositionDoneFenceTime = FenceTime::NO_FENCE;
+    for (const auto& [id, targeter] : frameTargeters) {
+        auto presentFence = getHwComposer().getPresentFence(id);
+
+        if (id == pacesetterId) {
+            mTransactionCallbackInvoker.addPresentFence(presentFence);
+        }
+
+        if (auto fenceTime = targeter->setPresentFence(std::move(presentFence));
+            fenceTime->isValid()) {
+            presentFences.try_emplace(id, std::move(fenceTime));
+        }
+
+        ftl::FakeGuard guard(mStateLock);
+        if (const auto display = getCompositionDisplayLocked(id);
+            display && display->getState().usesClientComposition) {
+            gpuCompositionDoneFences
+                    .try_emplace(id, display->getRenderSurface()->getClientTargetAcquireFence());
+        }
     }
 
-    auto presentFence = defaultDisplay
-            ? getHwComposer().getPresentFence(defaultDisplay->getPhysicalId())
-            : Fence::NO_FENCE;
+    const auto pacesetterDisplay = FTL_FAKE_GUARD(mStateLock, getDisplayDeviceLocked(pacesetterId));
 
-    auto presentFenceTime = pacesetterFrameTargeter.setPresentFence(presentFence);
+    std::shared_ptr<FenceTime> pacesetterPresentFenceTime =
+            presentFences.get(pacesetterId)
+                    .transform([](const FenceTimePtr& ptr) { return ptr; })
+                    .value_or(FenceTime::NO_FENCE);
+
+    std::shared_ptr<FenceTime> pacesetterGpuCompositionDoneFenceTime =
+            gpuCompositionDoneFences.get(pacesetterId)
+                    .transform([](sp<Fence> fence) {
+                        return std::make_shared<FenceTime>(std::move(fence));
+                    })
+                    .value_or(FenceTime::NO_FENCE);
+
     const TimePoint presentTime = TimePoint::now();
 
     // Set presentation information before calling Layer::releasePendingBuffer, such that jank
     // information from previous' frame classification is already available when sending jank info
     // to clients, so they get jank classification as early as possible.
-    mFrameTimeline->setSfPresent(presentTime.ns(), presentFenceTime, glCompositionDoneFenceTime);
+    mFrameTimeline->setSfPresent(presentTime.ns(), pacesetterPresentFenceTime,
+                                 pacesetterGpuCompositionDoneFenceTime);
 
     // We use the CompositionEngine::getLastFrameRefreshTimestamp() which might
     // be sampled a little later than when we started doing work for this frame,
@@ -2849,9 +2899,9 @@
     const TimePoint compositeTime =
             TimePoint::fromNs(mCompositionEngine->getLastFrameRefreshTimestamp());
     const Duration presentLatency =
-            !getHwComposer().hasCapability(Capability::PRESENT_FENCE_IS_NOT_RELIABLE)
-            ? mPresentLatencyTracker.trackPendingFrame(compositeTime, presentFenceTime)
-            : Duration::zero();
+            getHwComposer().hasCapability(Capability::PRESENT_FENCE_IS_NOT_RELIABLE)
+            ? Duration::zero()
+            : mPresentLatencyTracker.trackPendingFrame(compositeTime, pacesetterPresentFenceTime);
 
     const auto schedule = mScheduler->getVsyncSchedule();
     const TimePoint vsyncDeadline = schedule->vsyncDeadlineAfter(presentTime);
@@ -2888,8 +2938,8 @@
     mLayersWithBuffersRemoved.clear();
 
     for (const auto& layer: mLayersWithQueuedFrames) {
-        layer->onPostComposition(defaultDisplay, glCompositionDoneFenceTime, presentFenceTime,
-                                 compositorTiming);
+        layer->onPostComposition(pacesetterDisplay.get(), pacesetterGpuCompositionDoneFenceTime,
+                                 pacesetterPresentFenceTime, compositorTiming);
         layer->releasePendingBuffer(presentTime.ns());
     }
 
@@ -2976,38 +3026,32 @@
 
     mHdrLayerInfoChanged = false;
 
-    mTransactionCallbackInvoker.addPresentFence(std::move(presentFence));
     mTransactionCallbackInvoker.sendCallbacks(false /* onCommitOnly */);
     mTransactionCallbackInvoker.clearCompletedTransactions();
 
     mTimeStats->incrementTotalFrames();
-    mTimeStats->setPresentFenceGlobal(presentFenceTime);
+    mTimeStats->setPresentFenceGlobal(pacesetterPresentFenceTime);
 
-    {
+    for (auto&& [id, presentFence] : presentFences) {
         ftl::FakeGuard guard(mStateLock);
-        for (const auto& [id, physicalDisplay] : mPhysicalDisplays) {
-            if (auto displayDevice = getDisplayDeviceLocked(id);
-                displayDevice && displayDevice->isPoweredOn() && physicalDisplay.isInternal()) {
-                auto presentFenceTimeI = defaultDisplay && defaultDisplay->getPhysicalId() == id
-                        ? std::move(presentFenceTime)
-                        : std::make_shared<FenceTime>(getHwComposer().getPresentFence(id));
-                if (presentFenceTimeI->isValid()) {
-                    mScheduler->addPresentFence(id, std::move(presentFenceTimeI));
-                }
-            }
+        const bool isInternalDisplay =
+                mPhysicalDisplays.get(id).transform(&PhysicalDisplay::isInternal).value_or(false);
+
+        if (isInternalDisplay) {
+            mScheduler->addPresentFence(id, std::move(presentFence));
         }
     }
 
-    const bool isDisplayConnected =
-            defaultDisplay && getHwComposer().isConnected(defaultDisplay->getPhysicalId());
+    const bool hasPacesetterDisplay =
+            pacesetterDisplay && getHwComposer().isConnected(pacesetterId);
 
     if (!hasSyncFramework) {
-        if (isDisplayConnected && defaultDisplay->isPoweredOn()) {
-            mScheduler->enableHardwareVsync(defaultDisplay->getPhysicalId());
+        if (hasPacesetterDisplay && pacesetterDisplay->isPoweredOn()) {
+            mScheduler->enableHardwareVsync(pacesetterId);
         }
     }
 
-    if (isDisplayConnected && !defaultDisplay->isPoweredOn()) {
+    if (hasPacesetterDisplay && !pacesetterDisplay->isPoweredOn()) {
         getRenderEngine().cleanupPostRender();
         return;
     }
@@ -4294,7 +4338,7 @@
     const auto& transaction = *flushState.transaction;
 
     const TimePoint desiredPresentTime = TimePoint::fromNs(transaction.desiredPresentTime);
-    const TimePoint expectedPresentTime = mScheduler->pacesetterFrameTarget().expectedPresentTime();
+    const TimePoint expectedPresentTime = mScheduler->expectedPresentTimeForPacesetter();
 
     using TransactionReadiness = TransactionHandler::TransactionReadiness;
 
@@ -7625,7 +7669,10 @@
                                       renderArea->getHintForSeamlessTransition());
             sdrWhitePointNits = state.sdrWhitePointNits;
             displayBrightnessNits = state.displayBrightnessNits;
-            if (sdrWhitePointNits > 1.0f) {
+            // Only clamp the display brightness if this is not a seamless transition. Otherwise
+            // for seamless transitions it's important to match the current display state as the
+            // buffer will be shown under these same conditions, and we want to avoid any flickers
+            if (sdrWhitePointNits > 1.0f && !renderArea->getHintForSeamlessTransition()) {
                 // Restrict the amount of HDR "headroom" in the screenshot to avoid over-dimming
                 // the SDR portion. 2.0 chosen by experimentation
                 constexpr float kMaxScreenshotHeadroom = 2.0f;
@@ -7686,7 +7733,8 @@
                                         .sdrWhitePointNits = sdrWhitePointNits,
                                         .displayBrightnessNits = displayBrightnessNits,
                                         .targetBrightness = targetBrightness,
-                                        .regionSampling = regionSampling});
+                                        .regionSampling = regionSampling,
+                                        .treat170mAsSrgb = mTreat170mAsSrgb});
 
         const float colorSaturation = grayscale ? 0 : 1;
         compositionengine::CompositionRefreshArgs refreshArgs{
@@ -7875,7 +7923,13 @@
         return INVALID_OPERATION;
     }
 
-    setDesiredActiveMode({std::move(preferredMode), .emitEvent = true}, force);
+    setDesiredActiveMode({preferredMode, .emitEvent = true}, force);
+
+    // Update the frameRateOverride list as the display render rate might have changed
+    if (mScheduler->updateFrameRateOverrides(/*consideredSignals*/ {}, preferredMode.fps)) {
+        triggerOnFrameRateOverridesChanged();
+    }
+
     return NO_ERROR;
 }
 
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index aeaeb47..3d46239 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -636,9 +636,12 @@
     void onRefreshRateChangedDebug(const RefreshRateChangedDebugData&) override;
 
     // ICompositor overrides:
-    void configure() override;
-    bool commit(const scheduler::FrameTarget&) override;
-    CompositeResult composite(scheduler::FrameTargeter&) override;
+    void configure() override REQUIRES(kMainThreadContext);
+    bool commit(const scheduler::FrameTarget&) override REQUIRES(kMainThreadContext);
+    CompositeResultsPerDisplay composite(PhysicalDisplayId pacesetterId,
+                                         const scheduler::FrameTargeters&) override
+            REQUIRES(kMainThreadContext);
+
     void sample() override;
 
     // ISchedulerCallback overrides:
@@ -891,6 +894,14 @@
         return findDisplay([id](const auto& display) { return display.getId() == id; });
     }
 
+    std::shared_ptr<compositionengine::Display> getCompositionDisplayLocked(DisplayId id) const
+            REQUIRES(mStateLock) {
+        if (const auto display = getDisplayDeviceLocked(id)) {
+            return display->getCompositionDisplay();
+        }
+        return nullptr;
+    }
+
     // Returns the primary display or (for foldables) the active display, assuming that the inner
     // and outer displays have mutually exclusive power states.
     sp<const DisplayDevice> getDefaultDisplayDeviceLocked() const REQUIRES(mStateLock) {
@@ -964,8 +975,8 @@
     /*
      * Compositing
      */
-    void postComposition(scheduler::FrameTargeter&, nsecs_t presentStartTime)
-            REQUIRES(kMainThreadContext);
+    void postComposition(PhysicalDisplayId pacesetterId, const scheduler::FrameTargeters&,
+                         nsecs_t presentStartTime) REQUIRES(kMainThreadContext);
 
     /*
      * Display management
@@ -1298,7 +1309,7 @@
 
     std::unique_ptr<compositionengine::CompositionEngine> mCompositionEngine;
 
-    CompositionCoverageFlags mCompositionCoverage;
+    CompositionCoveragePerDisplay mCompositionCoverage;
 
     // mMaxRenderTargetSize is only set once in init() so it doesn't need to be protected by
     // any mutex.
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
index 00e92a1..28ac664 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_fuzzers_utils.h
@@ -287,7 +287,10 @@
     // ICompositor overrides:
     void configure() override {}
     bool commit(const scheduler::FrameTarget&) override { return false; }
-    CompositeResult composite(scheduler::FrameTargeter&) override { return {}; }
+    CompositeResultsPerDisplay composite(PhysicalDisplayId,
+                                         const scheduler::FrameTargeters&) override {
+        return {};
+    }
     void sample() override {}
 
     // MessageQueue overrides:
@@ -474,25 +477,25 @@
                                            &outWideColorGamutPixelFormat);
     }
 
-    void overrideHdrTypes(sp<IBinder> &display, FuzzedDataProvider *fdp) {
+    void overrideHdrTypes(const sp<IBinder>& display, FuzzedDataProvider* fdp) {
         std::vector<ui::Hdr> hdrTypes;
         hdrTypes.push_back(fdp->PickValueInArray(kHdrTypes));
         mFlinger->overrideHdrTypes(display, hdrTypes);
     }
 
-    void getDisplayedContentSample(sp<IBinder> &display, FuzzedDataProvider *fdp) {
+    void getDisplayedContentSample(const sp<IBinder>& display, FuzzedDataProvider* fdp) {
         DisplayedFrameStats outDisplayedFrameStats;
         mFlinger->getDisplayedContentSample(display, fdp->ConsumeIntegral<uint64_t>(),
                                             fdp->ConsumeIntegral<uint64_t>(),
                                             &outDisplayedFrameStats);
     }
 
-    void getDisplayStats(sp<IBinder> &display) {
+    void getDisplayStats(const sp<IBinder>& display) {
         android::DisplayStatInfo stats;
         mFlinger->getDisplayStats(display, &stats);
     }
 
-    void getDisplayState(sp<IBinder> &display) {
+    void getDisplayState(const sp<IBinder>& display) {
         ui::DisplayState displayState;
         mFlinger->getDisplayState(display, &displayState);
     }
@@ -506,12 +509,12 @@
         android::ui::DynamicDisplayInfo dynamicDisplayInfo;
         mFlinger->getDynamicDisplayInfoFromId(displayId, &dynamicDisplayInfo);
     }
-    void getDisplayNativePrimaries(sp<IBinder> &display) {
+    void getDisplayNativePrimaries(const sp<IBinder>& display) {
         android::ui::DisplayPrimaries displayPrimaries;
         mFlinger->getDisplayNativePrimaries(display, displayPrimaries);
     }
 
-    void getDesiredDisplayModeSpecs(sp<IBinder> &display) {
+    void getDesiredDisplayModeSpecs(const sp<IBinder>& display) {
         gui::DisplayModeSpecs _;
         mFlinger->getDesiredDisplayModeSpecs(display, &_);
     }
@@ -523,7 +526,7 @@
         return ids.front();
     }
 
-    std::pair<sp<IBinder>, int64_t> fuzzBoot(FuzzedDataProvider *fdp) {
+    std::pair<sp<IBinder>, PhysicalDisplayId> fuzzBoot(FuzzedDataProvider* fdp) {
         mFlinger->callingThreadHasUnscopedSurfaceFlingerAccess(fdp->ConsumeBool());
         const sp<Client> client = sp<Client>::make(mFlinger);
 
@@ -550,13 +553,13 @@
 
         mFlinger->bootFinished();
 
-        return {display, physicalDisplayId.value};
+        return {display, physicalDisplayId};
     }
 
     void fuzzSurfaceFlinger(const uint8_t *data, size_t size) {
         FuzzedDataProvider mFdp(data, size);
 
-        auto [display, displayId] = fuzzBoot(&mFdp);
+        const auto [display, displayId] = fuzzBoot(&mFdp);
 
         sp<IGraphicBufferProducer> bufferProducer = sp<mock::GraphicBufferProducer>::make();
 
@@ -564,8 +567,8 @@
 
         getDisplayStats(display);
         getDisplayState(display);
-        getStaticDisplayInfo(displayId);
-        getDynamicDisplayInfo(displayId);
+        getStaticDisplayInfo(displayId.value);
+        getDynamicDisplayInfo(displayId.value);
         getDisplayNativePrimaries(display);
 
         mFlinger->setAutoLowLatencyMode(display, mFdp.ConsumeBool());
@@ -605,8 +608,9 @@
             mFlinger->commitTransactions();
             mFlinger->flushTransactionQueues(getFuzzedVsyncId(mFdp));
 
-            scheduler::FrameTargeter frameTargeter(mFdp.ConsumeBool());
-            mFlinger->postComposition(frameTargeter, mFdp.ConsumeIntegral<nsecs_t>());
+            scheduler::FrameTargeter frameTargeter(displayId, mFdp.ConsumeBool());
+            mFlinger->postComposition(displayId, ftl::init::map(displayId, &frameTargeter),
+                                      mFdp.ConsumeIntegral<nsecs_t>());
         }
 
         mFlinger->setTransactionFlags(mFdp.ConsumeIntegral<uint32_t>());
diff --git a/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp b/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp
index b1fd06f..4d1a5ff 100644
--- a/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp
+++ b/services/surfaceflinger/fuzzer/surfaceflinger_scheduler_fuzzer.cpp
@@ -50,7 +50,7 @@
 
 constexpr uint16_t kRandomStringLength = 256;
 constexpr std::chrono::duration kSyncPeriod(16ms);
-constexpr PhysicalDisplayId DEFAULT_DISPLAY_ID = PhysicalDisplayId::fromPort(42u);
+constexpr PhysicalDisplayId kDisplayId = PhysicalDisplayId::fromPort(42u);
 
 template <typename T>
 void dump(T* component, FuzzedDataProvider* fdp) {
@@ -177,9 +177,8 @@
     uint16_t now = mFdp.ConsumeIntegral<uint16_t>();
     uint16_t historySize = mFdp.ConsumeIntegralInRange<uint16_t>(1, UINT16_MAX);
     uint16_t minimumSamplesForPrediction = mFdp.ConsumeIntegralInRange<uint16_t>(1, UINT16_MAX);
-    scheduler::VSyncPredictor tracker{DEFAULT_DISPLAY_ID,
-                                      mFdp.ConsumeIntegral<uint16_t>() /*period*/, historySize,
-                                      minimumSamplesForPrediction,
+    scheduler::VSyncPredictor tracker{kDisplayId, mFdp.ConsumeIntegral<uint16_t>() /*period*/,
+                                      historySize, minimumSamplesForPrediction,
                                       mFdp.ConsumeIntegral<uint32_t>() /*outlierTolerancePercent*/};
     uint16_t period = mFdp.ConsumeIntegral<uint16_t>();
     tracker.setPeriod(period);
@@ -251,7 +250,7 @@
 
 void SchedulerFuzzer::fuzzVSyncReactor() {
     std::shared_ptr<FuzzImplVSyncTracker> vSyncTracker = std::make_shared<FuzzImplVSyncTracker>();
-    scheduler::VSyncReactor reactor(DEFAULT_DISPLAY_ID,
+    scheduler::VSyncReactor reactor(kDisplayId,
                                     std::make_unique<ClockWrapper>(
                                             std::make_shared<FuzzImplClock>()),
                                     *vSyncTracker, mFdp.ConsumeIntegral<uint8_t>() /*pendingLimit*/,
@@ -408,7 +407,7 @@
 }
 
 void SchedulerFuzzer::fuzzFrameTargeter() {
-    scheduler::FrameTargeter frameTargeter(mFdp.ConsumeBool());
+    scheduler::FrameTargeter frameTargeter(kDisplayId, mFdp.ConsumeBool());
 
     const struct VsyncSource final : scheduler::IVsyncSource {
         explicit VsyncSource(FuzzedDataProvider& fuzzer) : fuzzer(fuzzer) {}
diff --git a/services/surfaceflinger/tests/unittests/HWComposerTest.cpp b/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
index da00377..ec8069d 100644
--- a/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/HWComposerTest.cpp
@@ -53,6 +53,7 @@
 using Hwc2::Config;
 
 using ::aidl::android::hardware::graphics::composer3::RefreshRateChangedDebugData;
+using hal::IComposerClient;
 using ::testing::_;
 using ::testing::DoAll;
 using ::testing::ElementsAreArray;
@@ -119,6 +120,155 @@
     }
 }
 
+TEST_F(HWComposerTest, getModesWithLegacyDisplayConfigs) {
+    constexpr hal::HWDisplayId kHwcDisplayId = 2;
+    constexpr hal::HWConfigId kConfigId = 42;
+
+    expectHotplugConnect(kHwcDisplayId);
+    const auto info = mHwc.onHotplug(kHwcDisplayId, hal::Connection::CONNECTED);
+    ASSERT_TRUE(info);
+
+    EXPECT_CALL(*mHal, getDisplayConfigurationsSupported()).WillRepeatedly(Return(false));
+
+    {
+        EXPECT_CALL(*mHal, getDisplayConfigs(kHwcDisplayId, _))
+                .WillOnce(Return(HalError::BAD_DISPLAY));
+        EXPECT_TRUE(mHwc.getModes(info->id).empty());
+    }
+    {
+        constexpr int32_t kWidth = 480;
+        constexpr int32_t kHeight = 720;
+        constexpr int32_t kConfigGroup = 1;
+        constexpr int32_t kVsyncPeriod = 16666667;
+
+        EXPECT_CALL(*mHal,
+                    getDisplayAttribute(kHwcDisplayId, kConfigId, IComposerClient::Attribute::WIDTH,
+                                        _))
+                .WillRepeatedly(DoAll(SetArgPointee<3>(kWidth), Return(HalError::NONE)));
+        EXPECT_CALL(*mHal,
+                    getDisplayAttribute(kHwcDisplayId, kConfigId,
+                                        IComposerClient::Attribute::HEIGHT, _))
+                .WillRepeatedly(DoAll(SetArgPointee<3>(kHeight), Return(HalError::NONE)));
+        EXPECT_CALL(*mHal,
+                    getDisplayAttribute(kHwcDisplayId, kConfigId,
+                                        IComposerClient::Attribute::CONFIG_GROUP, _))
+                .WillRepeatedly(DoAll(SetArgPointee<3>(kConfigGroup), Return(HalError::NONE)));
+        EXPECT_CALL(*mHal,
+                    getDisplayAttribute(kHwcDisplayId, kConfigId,
+                                        IComposerClient::Attribute::VSYNC_PERIOD, _))
+                .WillRepeatedly(DoAll(SetArgPointee<3>(kVsyncPeriod), Return(HalError::NONE)));
+
+        // Optional Parameters UNSUPPORTED
+        EXPECT_CALL(*mHal,
+                    getDisplayAttribute(kHwcDisplayId, kConfigId, IComposerClient::Attribute::DPI_X,
+                                        _))
+                .WillOnce(Return(HalError::UNSUPPORTED));
+        EXPECT_CALL(*mHal,
+                    getDisplayAttribute(kHwcDisplayId, kConfigId, IComposerClient::Attribute::DPI_Y,
+                                        _))
+                .WillOnce(Return(HalError::UNSUPPORTED));
+
+        EXPECT_CALL(*mHal, getDisplayConfigs(kHwcDisplayId, _))
+                .WillRepeatedly(DoAll(SetArgPointee<1>(std::vector<hal::HWConfigId>{kConfigId}),
+                                      Return(HalError::NONE)));
+
+        auto modes = mHwc.getModes(info->id);
+        EXPECT_EQ(modes.size(), size_t{1});
+        EXPECT_EQ(modes.front().hwcId, kConfigId);
+        EXPECT_EQ(modes.front().width, kWidth);
+        EXPECT_EQ(modes.front().height, kHeight);
+        EXPECT_EQ(modes.front().configGroup, kConfigGroup);
+        EXPECT_EQ(modes.front().vsyncPeriod, kVsyncPeriod);
+        EXPECT_EQ(modes.front().dpiX, -1);
+        EXPECT_EQ(modes.front().dpiY, -1);
+
+        // Optional parameters are supported
+        constexpr int32_t kDpi = 320;
+        EXPECT_CALL(*mHal,
+                    getDisplayAttribute(kHwcDisplayId, kConfigId, IComposerClient::Attribute::DPI_X,
+                                        _))
+                .WillOnce(DoAll(SetArgPointee<3>(kDpi), Return(HalError::NONE)));
+        EXPECT_CALL(*mHal,
+                    getDisplayAttribute(kHwcDisplayId, kConfigId, IComposerClient::Attribute::DPI_Y,
+                                        _))
+                .WillOnce(DoAll(SetArgPointee<3>(kDpi), Return(HalError::NONE)));
+
+        modes = mHwc.getModes(info->id);
+        EXPECT_EQ(modes.size(), size_t{1});
+        EXPECT_EQ(modes.front().hwcId, kConfigId);
+        EXPECT_EQ(modes.front().width, kWidth);
+        EXPECT_EQ(modes.front().height, kHeight);
+        EXPECT_EQ(modes.front().configGroup, kConfigGroup);
+        EXPECT_EQ(modes.front().vsyncPeriod, kVsyncPeriod);
+        // DPI values are scaled by 1000 in the legacy implementation.
+        EXPECT_EQ(modes.front().dpiX, kDpi / 1000.f);
+        EXPECT_EQ(modes.front().dpiY, kDpi / 1000.f);
+    }
+}
+
+TEST_F(HWComposerTest, getModesWithDisplayConfigurations) {
+    constexpr hal::HWDisplayId kHwcDisplayId = 2;
+    constexpr hal::HWConfigId kConfigId = 42;
+    expectHotplugConnect(kHwcDisplayId);
+    const auto info = mHwc.onHotplug(kHwcDisplayId, hal::Connection::CONNECTED);
+    ASSERT_TRUE(info);
+
+    EXPECT_CALL(*mHal, getDisplayConfigurationsSupported()).WillRepeatedly(Return(true));
+
+    {
+        EXPECT_CALL(*mHal, getDisplayConfigurations(kHwcDisplayId, _))
+                .WillOnce(Return(HalError::BAD_DISPLAY));
+        EXPECT_TRUE(mHwc.getModes(info->id).empty());
+    }
+    {
+        constexpr int32_t kWidth = 480;
+        constexpr int32_t kHeight = 720;
+        constexpr int32_t kConfigGroup = 1;
+        constexpr int32_t kVsyncPeriod = 16666667;
+        hal::DisplayConfiguration displayConfiguration;
+        displayConfiguration.configId = kConfigId;
+        displayConfiguration.configGroup = kConfigGroup;
+        displayConfiguration.height = kHeight;
+        displayConfiguration.width = kWidth;
+        displayConfiguration.vsyncPeriod = kVsyncPeriod;
+
+        EXPECT_CALL(*mHal, getDisplayConfigurations(kHwcDisplayId, _))
+                .WillOnce(DoAll(SetArgPointee<1>(std::vector<hal::DisplayConfiguration>{
+                                        displayConfiguration}),
+                                Return(HalError::NONE)));
+
+        // Optional dpi not supported
+        auto modes = mHwc.getModes(info->id);
+        EXPECT_EQ(modes.size(), size_t{1});
+        EXPECT_EQ(modes.front().hwcId, kConfigId);
+        EXPECT_EQ(modes.front().width, kWidth);
+        EXPECT_EQ(modes.front().height, kHeight);
+        EXPECT_EQ(modes.front().configGroup, kConfigGroup);
+        EXPECT_EQ(modes.front().vsyncPeriod, kVsyncPeriod);
+        EXPECT_EQ(modes.front().dpiX, -1);
+        EXPECT_EQ(modes.front().dpiY, -1);
+
+        // Supports optional dpi parameter
+        constexpr int32_t kDpi = 320;
+        displayConfiguration.dpi = {kDpi, kDpi};
+
+        EXPECT_CALL(*mHal, getDisplayConfigurations(kHwcDisplayId, _))
+                .WillOnce(DoAll(SetArgPointee<1>(std::vector<hal::DisplayConfiguration>{
+                                        displayConfiguration}),
+                                Return(HalError::NONE)));
+
+        modes = mHwc.getModes(info->id);
+        EXPECT_EQ(modes.size(), size_t{1});
+        EXPECT_EQ(modes.front().hwcId, kConfigId);
+        EXPECT_EQ(modes.front().width, kWidth);
+        EXPECT_EQ(modes.front().height, kHeight);
+        EXPECT_EQ(modes.front().configGroup, kConfigGroup);
+        EXPECT_EQ(modes.front().vsyncPeriod, kVsyncPeriod);
+        EXPECT_EQ(modes.front().dpiX, kDpi);
+        EXPECT_EQ(modes.front().dpiY, kDpi);
+    }
+}
+
 TEST_F(HWComposerTest, onVsync) {
     constexpr hal::HWDisplayId kHwcDisplayId = 1;
     expectHotplugConnect(kHwcDisplayId);
diff --git a/services/surfaceflinger/tests/unittests/MessageQueueTest.cpp b/services/surfaceflinger/tests/unittests/MessageQueueTest.cpp
index 359e2ab..1dcf222 100644
--- a/services/surfaceflinger/tests/unittests/MessageQueueTest.cpp
+++ b/services/surfaceflinger/tests/unittests/MessageQueueTest.cpp
@@ -36,7 +36,10 @@
 struct NoOpCompositor final : ICompositor {
     void configure() override {}
     bool commit(const scheduler::FrameTarget&) override { return false; }
-    CompositeResult composite(scheduler::FrameTargeter&) override { return {}; }
+    CompositeResultsPerDisplay composite(PhysicalDisplayId,
+                                         const scheduler::FrameTargeters&) override {
+        return {};
+    }
     void sample() override {}
 } gNoOpCompositor;
 
diff --git a/services/surfaceflinger/tests/unittests/TestableScheduler.h b/services/surfaceflinger/tests/unittests/TestableScheduler.h
index fa7a947..f3c9d0d 100644
--- a/services/surfaceflinger/tests/unittests/TestableScheduler.h
+++ b/services/surfaceflinger/tests/unittests/TestableScheduler.h
@@ -181,7 +181,10 @@
     // ICompositor overrides:
     void configure() override {}
     bool commit(const scheduler::FrameTarget&) override { return false; }
-    CompositeResult composite(scheduler::FrameTargeter&) override { return {}; }
+    CompositeResultsPerDisplay composite(PhysicalDisplayId,
+                                         const scheduler::FrameTargeters&) override {
+        return {};
+    }
     void sample() override {}
 };
 
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 909b8b8..9b3a893 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -359,7 +359,10 @@
      * Forwarding for functions being tested
      */
 
-    void configure() { mFlinger->configure(); }
+    void configure() {
+        ftl::FakeGuard guard(kMainThreadContext);
+        mFlinger->configure();
+    }
 
     void configureAndCommit() {
         configure();
@@ -368,8 +371,14 @@
 
     void commit(TimePoint frameTime, VsyncId vsyncId, TimePoint expectedVsyncTime,
                 bool composite = false) {
+        ftl::FakeGuard guard(kMainThreadContext);
+
+        const auto displayIdOpt = mScheduler->pacesetterDisplayId();
+        LOG_ALWAYS_FATAL_IF(!displayIdOpt);
+        const auto displayId = *displayIdOpt;
+
         constexpr bool kBackpressureGpuComposition = true;
-        scheduler::FrameTargeter frameTargeter(kBackpressureGpuComposition);
+        scheduler::FrameTargeter frameTargeter(displayId, kBackpressureGpuComposition);
 
         frameTargeter.beginFrame({.frameBeginTime = frameTime,
                                   .vsyncId = vsyncId,
@@ -380,7 +389,7 @@
         mFlinger->commit(frameTargeter.target());
 
         if (composite) {
-            mFlinger->composite(frameTargeter);
+            mFlinger->composite(displayId, ftl::init::map(displayId, &frameTargeter));
         }
     }
 
diff --git a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
index d3fb9fc..8d48940 100644
--- a/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
+++ b/services/surfaceflinger/tests/unittests/mock/DisplayHardware/MockComposer.h
@@ -51,6 +51,7 @@
     ~Composer() override;
 
     MOCK_METHOD(bool, isSupported, (OptionalFeature), (const, override));
+    MOCK_METHOD(bool, getDisplayConfigurationsSupported, (), (const, override));
     MOCK_METHOD0(getCapabilities,
                  std::vector<aidl::android::hardware::graphics::composer3::Capability>());
     MOCK_METHOD0(dumpDebugInfo, std::string());
@@ -70,6 +71,7 @@
     MOCK_METHOD4(getDisplayAttribute,
                  Error(Display, Config config, IComposerClient::Attribute, int32_t*));
     MOCK_METHOD2(getDisplayConfigs, Error(Display, std::vector<Config>*));
+    MOCK_METHOD2(getDisplayConfigurations, Error(Display, std::vector<DisplayConfiguration>*));
     MOCK_METHOD2(getDisplayName, Error(Display, std::string*));
     MOCK_METHOD4(getDisplayRequests,
                  Error(Display, uint32_t*, std::vector<Layer>*, std::vector<uint32_t>*));
diff --git a/vulkan/libvulkan/swapchain.cpp b/vulkan/libvulkan/swapchain.cpp
index b73d2cb..114f863 100644
--- a/vulkan/libvulkan/swapchain.cpp
+++ b/vulkan/libvulkan/swapchain.cpp
@@ -16,6 +16,7 @@
 
 #define ATRACE_TAG ATRACE_TAG_GRAPHICS
 
+#include <aidl/android/hardware/graphics/common/PixelFormat.h>
 #include <android/hardware/graphics/common/1.0/types.h>
 #include <grallocusage/GrallocUsageConversion.h>
 #include <graphicsenv/GraphicsEnv.h>
@@ -25,8 +26,6 @@
 #include <sync/sync.h>
 #include <system/window.h>
 #include <ui/BufferQueueDefs.h>
-#include <ui/DebugUtils.h>
-#include <ui/PixelFormat.h>
 #include <utils/StrongPointer.h>
 #include <utils/Timers.h>
 #include <utils/Trace.h>
@@ -37,6 +36,7 @@
 
 #include "driver.h"
 
+using PixelFormat = aidl::android::hardware::graphics::common::PixelFormat;
 using android::hardware::graphics::common::V1_0::BufferUsage;
 
 namespace vulkan {
@@ -503,27 +503,27 @@
     *count = num_copied;
 }
 
-android::PixelFormat GetNativePixelFormat(VkFormat format) {
-    android::PixelFormat native_format = android::PIXEL_FORMAT_RGBA_8888;
+PixelFormat GetNativePixelFormat(VkFormat format) {
+    PixelFormat native_format = PixelFormat::RGBA_8888;
     switch (format) {
         case VK_FORMAT_R8G8B8A8_UNORM:
         case VK_FORMAT_R8G8B8A8_SRGB:
-            native_format = android::PIXEL_FORMAT_RGBA_8888;
+            native_format = PixelFormat::RGBA_8888;
             break;
         case VK_FORMAT_R5G6B5_UNORM_PACK16:
-            native_format = android::PIXEL_FORMAT_RGB_565;
+            native_format = PixelFormat::RGB_565;
             break;
         case VK_FORMAT_R16G16B16A16_SFLOAT:
-            native_format = android::PIXEL_FORMAT_RGBA_FP16;
+            native_format = PixelFormat::RGBA_FP16;
             break;
         case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
-            native_format = android::PIXEL_FORMAT_RGBA_1010102;
+            native_format = PixelFormat::RGBA_1010102;
             break;
         case VK_FORMAT_R8_UNORM:
-            native_format = android::PIXEL_FORMAT_R_8;
+            native_format = PixelFormat::R_8;
             break;
         case VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16:
-            native_format = android::PIXEL_FORMAT_RGBA_10101010;
+            native_format = PixelFormat::RGBA_10101010;
             break;
         default:
             ALOGV("unsupported swapchain format %d", format);
@@ -1361,7 +1361,7 @@
     if (!allocator)
         allocator = &GetData(device).allocator;
 
-    android::PixelFormat native_pixel_format =
+    PixelFormat native_pixel_format =
         GetNativePixelFormat(create_info->imageFormat);
     android_dataspace native_dataspace =
         GetNativeDataspace(create_info->imageColorSpace);
@@ -1462,10 +1462,11 @@
 
     const auto& dispatch = GetData(device).driver;
 
-    err = native_window_set_buffers_format(window, native_pixel_format);
+    err = native_window_set_buffers_format(
+        window, static_cast<int>(native_pixel_format));
     if (err != android::OK) {
         ALOGE("native_window_set_buffers_format(%s) failed: %s (%d)",
-              decodePixelFormat(native_pixel_format).c_str(), strerror(-err), err);
+              toString(native_pixel_format).c_str(), strerror(-err), err);
         return VK_ERROR_SURFACE_LOST_KHR;
     }