diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index a137568..a10a2f0 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -26,7 +26,6 @@
 #include <gui/IGraphicBufferProducer.h>
 #include <gui/ISurfaceComposer.h>
 #include <gui/ISurfaceComposerClient.h>
-#include <gui/LayerDebugInfo.h>
 #include <gui/LayerState.h>
 #include <private/gui/ParcelUtils.h>
 #include <stdint.h>
@@ -182,206 +181,6 @@
         return result;
     }
 
-    virtual status_t overrideHdrTypes(const sp<IBinder>& display,
-                                      const std::vector<ui::Hdr>& hdrTypes) {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeStrongBinder, display);
-
-        std::vector<int32_t> hdrTypesVector;
-        for (ui::Hdr i : hdrTypes) {
-            hdrTypesVector.push_back(static_cast<int32_t>(i));
-        }
-        SAFE_PARCEL(data.writeInt32Vector, hdrTypesVector);
-
-        status_t result = remote()->transact(BnSurfaceComposer::OVERRIDE_HDR_TYPES, data, &reply);
-        if (result != NO_ERROR) {
-            ALOGE("overrideHdrTypes failed to transact: %d", result);
-            return result;
-        }
-        return result;
-    }
-
-    status_t onPullAtom(const int32_t atomId, std::string* pulledData, bool* success) {
-        Parcel data, reply;
-        SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
-        SAFE_PARCEL(data.writeInt32, atomId);
-
-        status_t err = remote()->transact(BnSurfaceComposer::ON_PULL_ATOM, data, &reply);
-        if (err != NO_ERROR) {
-            ALOGE("onPullAtom failed to transact: %d", err);
-            return err;
-        }
-
-        int32_t size = 0;
-        SAFE_PARCEL(reply.readInt32, &size);
-        const void* dataPtr = reply.readInplace(size);
-        if (dataPtr == nullptr) {
-            return UNEXPECTED_NULL;
-        }
-        pulledData->assign((const char*)dataPtr, size);
-        SAFE_PARCEL(reply.readBool, success);
-        return NO_ERROR;
-    }
-
-    status_t enableVSyncInjections(bool enable) override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("enableVSyncInjections failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeBool(enable);
-        if (result != NO_ERROR) {
-            ALOGE("enableVSyncInjections failed to writeBool: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::ENABLE_VSYNC_INJECTIONS, data, &reply,
-                                    IBinder::FLAG_ONEWAY);
-        if (result != NO_ERROR) {
-            ALOGE("enableVSyncInjections failed to transact: %d", result);
-            return result;
-        }
-        return result;
-    }
-
-    status_t injectVSync(nsecs_t when) override {
-        Parcel data, reply;
-        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (result != NO_ERROR) {
-            ALOGE("injectVSync failed to writeInterfaceToken: %d", result);
-            return result;
-        }
-        result = data.writeInt64(when);
-        if (result != NO_ERROR) {
-            ALOGE("injectVSync failed to writeInt64: %d", result);
-            return result;
-        }
-        result = remote()->transact(BnSurfaceComposer::INJECT_VSYNC, data, &reply,
-                                    IBinder::FLAG_ONEWAY);
-        if (result != NO_ERROR) {
-            ALOGE("injectVSync failed to transact: %d", result);
-            return result;
-        }
-        return result;
-    }
-
-    status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) override {
-        if (!outLayers) {
-            return UNEXPECTED_NULL;
-        }
-
-        Parcel data, reply;
-
-        status_t err = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (err != NO_ERROR) {
-            return err;
-        }
-
-        err = remote()->transact(BnSurfaceComposer::GET_LAYER_DEBUG_INFO, data, &reply);
-        if (err != NO_ERROR) {
-            return err;
-        }
-
-        int32_t result = 0;
-        err = reply.readInt32(&result);
-        if (err != NO_ERROR) {
-            return err;
-        }
-        if (result != NO_ERROR) {
-            return result;
-        }
-
-        outLayers->clear();
-        return reply.readParcelableVector(outLayers);
-    }
-
-    status_t getCompositionPreference(ui::Dataspace* defaultDataspace,
-                                      ui::PixelFormat* defaultPixelFormat,
-                                      ui::Dataspace* wideColorGamutDataspace,
-                                      ui::PixelFormat* wideColorGamutPixelFormat) const override {
-        Parcel data, reply;
-        status_t error = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        if (error != NO_ERROR) {
-            return error;
-        }
-        error = remote()->transact(BnSurfaceComposer::GET_COMPOSITION_PREFERENCE, data, &reply);
-        if (error != NO_ERROR) {
-            return error;
-        }
-        error = static_cast<status_t>(reply.readInt32());
-        if (error == NO_ERROR) {
-            *defaultDataspace = static_cast<ui::Dataspace>(reply.readInt32());
-            *defaultPixelFormat = static_cast<ui::PixelFormat>(reply.readInt32());
-            *wideColorGamutDataspace = static_cast<ui::Dataspace>(reply.readInt32());
-            *wideColorGamutPixelFormat = static_cast<ui::PixelFormat>(reply.readInt32());
-        }
-        return error;
-    }
-
-    status_t getColorManagement(bool* outGetColorManagement) const override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        remote()->transact(BnSurfaceComposer::GET_COLOR_MANAGEMENT, data, &reply);
-        bool result;
-        status_t err = reply.readBool(&result);
-        if (err == NO_ERROR) {
-            *outGetColorManagement = result;
-        }
-        return err;
-    }
-
-    status_t getDisplayedContentSamplingAttributes(const sp<IBinder>& display,
-                                                   ui::PixelFormat* outFormat,
-                                                   ui::Dataspace* outDataspace,
-                                                   uint8_t* outComponentMask) const override {
-        if (!outFormat || !outDataspace || !outComponentMask) return BAD_VALUE;
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        data.writeStrongBinder(display);
-
-        status_t error =
-                remote()->transact(BnSurfaceComposer::GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES,
-                                   data, &reply);
-        if (error != NO_ERROR) {
-            return error;
-        }
-
-        uint32_t value = 0;
-        error = reply.readUint32(&value);
-        if (error != NO_ERROR) {
-            return error;
-        }
-        *outFormat = static_cast<ui::PixelFormat>(value);
-
-        error = reply.readUint32(&value);
-        if (error != NO_ERROR) {
-            return error;
-        }
-        *outDataspace = static_cast<ui::Dataspace>(value);
-
-        error = reply.readUint32(&value);
-        if (error != NO_ERROR) {
-            return error;
-        }
-        *outComponentMask = static_cast<uint8_t>(value);
-        return error;
-    }
-
-    status_t setDisplayContentSamplingEnabled(const sp<IBinder>& display, bool enable,
-                                              uint8_t componentMask, uint64_t maxFrames) override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        data.writeStrongBinder(display);
-        data.writeBool(enable);
-        data.writeByte(static_cast<int8_t>(componentMask));
-        data.writeUint64(maxFrames);
-        status_t result =
-                remote()->transact(BnSurfaceComposer::SET_DISPLAY_CONTENT_SAMPLING_ENABLED, data,
-                                   &reply);
-        return result;
-    }
-
     status_t getDisplayedContentSample(const sp<IBinder>& display, uint64_t maxFrames,
                                        uint64_t timestamp,
                                        DisplayedFrameStats* outStats) const override {
@@ -421,18 +220,6 @@
         return result;
     }
 
-    status_t getProtectedContentSupport(bool* outSupported) const override {
-        Parcel data, reply;
-        data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
-        status_t error =
-                remote()->transact(BnSurfaceComposer::GET_PROTECTED_CONTENT_SUPPORT, data, &reply);
-        if (error != NO_ERROR) {
-            return error;
-        }
-        error = reply.readBool(outSupported);
-        return error;
-    }
-
     status_t addRegionSamplingListener(const Rect& samplingArea, const sp<IBinder>& stopLayerHandle,
                                        const sp<IRegionSamplingListener>& listener) override {
         Parcel data, reply;
@@ -961,116 +748,6 @@
             reply->writeStrongBinder(IInterface::asBinder(connection));
             return NO_ERROR;
         }
-        case ENABLE_VSYNC_INJECTIONS: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            bool enable = false;
-            status_t result = data.readBool(&enable);
-            if (result != NO_ERROR) {
-                ALOGE("enableVSyncInjections failed to readBool: %d", result);
-                return result;
-            }
-            return enableVSyncInjections(enable);
-        }
-        case INJECT_VSYNC: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            int64_t when = 0;
-            status_t result = data.readInt64(&when);
-            if (result != NO_ERROR) {
-                ALOGE("enableVSyncInjections failed to readInt64: %d", result);
-                return result;
-            }
-            return injectVSync(when);
-        }
-        case GET_LAYER_DEBUG_INFO: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            std::vector<LayerDebugInfo> outLayers;
-            status_t result = getLayerDebugInfo(&outLayers);
-            reply->writeInt32(result);
-            if (result == NO_ERROR)
-            {
-                result = reply->writeParcelableVector(outLayers);
-            }
-            return result;
-        }
-        case GET_COMPOSITION_PREFERENCE: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            ui::Dataspace defaultDataspace;
-            ui::PixelFormat defaultPixelFormat;
-            ui::Dataspace wideColorGamutDataspace;
-            ui::PixelFormat wideColorGamutPixelFormat;
-            status_t error =
-                    getCompositionPreference(&defaultDataspace, &defaultPixelFormat,
-                                             &wideColorGamutDataspace, &wideColorGamutPixelFormat);
-            reply->writeInt32(error);
-            if (error == NO_ERROR) {
-                reply->writeInt32(static_cast<int32_t>(defaultDataspace));
-                reply->writeInt32(static_cast<int32_t>(defaultPixelFormat));
-                reply->writeInt32(static_cast<int32_t>(wideColorGamutDataspace));
-                reply->writeInt32(static_cast<int32_t>(wideColorGamutPixelFormat));
-            }
-            return error;
-        }
-        case GET_COLOR_MANAGEMENT: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            bool result;
-            status_t error = getColorManagement(&result);
-            if (error == NO_ERROR) {
-                reply->writeBool(result);
-            }
-            return error;
-        }
-        case GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-
-            sp<IBinder> display = data.readStrongBinder();
-            ui::PixelFormat format;
-            ui::Dataspace dataspace;
-            uint8_t component = 0;
-            auto result =
-                    getDisplayedContentSamplingAttributes(display, &format, &dataspace, &component);
-            if (result == NO_ERROR) {
-                reply->writeUint32(static_cast<uint32_t>(format));
-                reply->writeUint32(static_cast<uint32_t>(dataspace));
-                reply->writeUint32(static_cast<uint32_t>(component));
-            }
-            return result;
-        }
-        case SET_DISPLAY_CONTENT_SAMPLING_ENABLED: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-
-            sp<IBinder> display = nullptr;
-            bool enable = false;
-            int8_t componentMask = 0;
-            uint64_t maxFrames = 0;
-            status_t result = data.readStrongBinder(&display);
-            if (result != NO_ERROR) {
-                ALOGE("setDisplayContentSamplingEnabled failure in reading Display token: %d",
-                      result);
-                return result;
-            }
-
-            result = data.readBool(&enable);
-            if (result != NO_ERROR) {
-                ALOGE("setDisplayContentSamplingEnabled failure in reading enable: %d", result);
-                return result;
-            }
-
-            result = data.readByte(static_cast<int8_t*>(&componentMask));
-            if (result != NO_ERROR) {
-                ALOGE("setDisplayContentSamplingEnabled failure in reading component mask: %d",
-                      result);
-                return result;
-            }
-
-            result = data.readUint64(&maxFrames);
-            if (result != NO_ERROR) {
-                ALOGE("setDisplayContentSamplingEnabled failure in reading max frames: %d", result);
-                return result;
-            }
-
-            return setDisplayContentSamplingEnabled(display, enable,
-                                                    static_cast<uint8_t>(componentMask), maxFrames);
-        }
         case GET_DISPLAYED_CONTENT_SAMPLE: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);
 
@@ -1101,15 +778,6 @@
             }
             return result;
         }
-        case GET_PROTECTED_CONTENT_SUPPORT: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            bool result;
-            status_t error = getProtectedContentSupport(&result);
-            if (error == NO_ERROR) {
-                reply->writeBool(result);
-            }
-            return error;
-        }
         case ADD_REGION_SAMPLING_LISTENER: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);
             Rect samplingArea;
@@ -1413,33 +1081,6 @@
             SAFE_PARCEL(reply->writeInt32, buffers);
             return NO_ERROR;
         }
-        case OVERRIDE_HDR_TYPES: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            sp<IBinder> display = nullptr;
-            SAFE_PARCEL(data.readStrongBinder, &display);
-
-            std::vector<int32_t> hdrTypes;
-            SAFE_PARCEL(data.readInt32Vector, &hdrTypes);
-
-            std::vector<ui::Hdr> hdrTypesVector;
-            for (int i : hdrTypes) {
-                hdrTypesVector.push_back(static_cast<ui::Hdr>(i));
-            }
-            return overrideHdrTypes(display, hdrTypesVector);
-        }
-        case ON_PULL_ATOM: {
-            CHECK_INTERFACE(ISurfaceComposer, data, reply);
-            int32_t atomId = 0;
-            SAFE_PARCEL(data.readInt32, &atomId);
-
-            std::string pulledData;
-            bool success;
-            status_t err = onPullAtom(atomId, &pulledData, &success);
-            SAFE_PARCEL(reply->writeByteArray, pulledData.size(),
-                        reinterpret_cast<const uint8_t*>(pulledData.data()));
-            SAFE_PARCEL(reply->writeBool, success);
-            return err;
-        }
         case ADD_WINDOW_INFOS_LISTENER: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);
             sp<IWindowInfosListener> listener;
diff --git a/libs/gui/LayerDebugInfo.cpp b/libs/gui/LayerDebugInfo.cpp
index ea5fb29..15b2221 100644
--- a/libs/gui/LayerDebugInfo.cpp
+++ b/libs/gui/LayerDebugInfo.cpp
@@ -27,7 +27,7 @@
 
 #define RETURN_ON_ERROR(X) do {status_t res = (X); if (res != NO_ERROR) return res;} while(false)
 
-namespace android {
+namespace android::gui {
 
 status_t LayerDebugInfo::writeToParcel(Parcel* parcel) const {
     RETURN_ON_ERROR(parcel->writeCString(mName.c_str()));
@@ -149,4 +149,4 @@
     return result;
 }
 
-} // android
+} // namespace android::gui
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index be5f338..ca48ce6 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -2118,13 +2118,15 @@
 // ----------------------------------------------------------------------------
 
 status_t SurfaceComposerClient::enableVSyncInjections(bool enable) {
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
-    return sf->enableVSyncInjections(enable);
+    sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
+    binder::Status status = sf->enableVSyncInjections(enable);
+    return status.transactionError();
 }
 
 status_t SurfaceComposerClient::injectVSync(nsecs_t when) {
-    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
-    return sf->injectVSync(when);
+    sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
+    binder::Status status = sf->injectVSync(when);
+    return status.transactionError();
 }
 
 status_t SurfaceComposerClient::getDisplayState(const sp<IBinder>& display,
@@ -2348,14 +2350,21 @@
 status_t SurfaceComposerClient::getCompositionPreference(
         ui::Dataspace* defaultDataspace, ui::PixelFormat* defaultPixelFormat,
         ui::Dataspace* wideColorGamutDataspace, ui::PixelFormat* wideColorGamutPixelFormat) {
-    return ComposerService::getComposerService()
-            ->getCompositionPreference(defaultDataspace, defaultPixelFormat,
-                                       wideColorGamutDataspace, wideColorGamutPixelFormat);
+    gui::CompositionPreference pref;
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->getCompositionPreference(&pref);
+    if (status.isOk()) {
+        *defaultDataspace = static_cast<ui::Dataspace>(pref.defaultDataspace);
+        *defaultPixelFormat = static_cast<ui::PixelFormat>(pref.defaultPixelFormat);
+        *wideColorGamutDataspace = static_cast<ui::Dataspace>(pref.wideColorGamutDataspace);
+        *wideColorGamutPixelFormat = static_cast<ui::PixelFormat>(pref.wideColorGamutPixelFormat);
+    }
+    return status.transactionError();
 }
 
 bool SurfaceComposerClient::getProtectedContentSupport() {
     bool supported = false;
-    ComposerService::getComposerService()->getProtectedContentSupport(&supported);
+    ComposerServiceAIDL::getComposerService()->getProtectedContentSupport(&supported);
     return supported;
 }
 
@@ -2388,29 +2397,56 @@
 
 status_t SurfaceComposerClient::overrideHdrTypes(const sp<IBinder>& display,
                                                  const std::vector<ui::Hdr>& hdrTypes) {
-    return ComposerService::getComposerService()->overrideHdrTypes(display, hdrTypes);
+    std::vector<int32_t> hdrTypesVector;
+    hdrTypesVector.reserve(hdrTypes.size());
+    for (auto t : hdrTypes) {
+        hdrTypesVector.push_back(static_cast<int32_t>(t));
+    }
+
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->overrideHdrTypes(display, hdrTypesVector);
+    return status.transactionError();
 }
 
 status_t SurfaceComposerClient::onPullAtom(const int32_t atomId, std::string* outData,
                                            bool* success) {
-    return ComposerService::getComposerService()->onPullAtom(atomId, outData, success);
+    gui::PullAtomData pad;
+    binder::Status status = ComposerServiceAIDL::getComposerService()->onPullAtom(atomId, &pad);
+    if (status.isOk()) {
+        outData->assign((const char*)pad.data.data(), pad.data.size());
+        *success = pad.success;
+    }
+    return status.transactionError();
 }
 
 status_t SurfaceComposerClient::getDisplayedContentSamplingAttributes(const sp<IBinder>& display,
                                                                       ui::PixelFormat* outFormat,
                                                                       ui::Dataspace* outDataspace,
                                                                       uint8_t* outComponentMask) {
-    return ComposerService::getComposerService()
-            ->getDisplayedContentSamplingAttributes(display, outFormat, outDataspace,
-                                                    outComponentMask);
+    if (!outFormat || !outDataspace || !outComponentMask) {
+        return BAD_VALUE;
+    }
+
+    gui::ContentSamplingAttributes attrs;
+    binder::Status status = ComposerServiceAIDL::getComposerService()
+                                    ->getDisplayedContentSamplingAttributes(display, &attrs);
+    if (status.isOk()) {
+        *outFormat = static_cast<ui::PixelFormat>(attrs.format);
+        *outDataspace = static_cast<ui::Dataspace>(attrs.dataspace);
+        *outComponentMask = static_cast<uint8_t>(attrs.componentMask);
+    }
+    return status.transactionError();
 }
 
 status_t SurfaceComposerClient::setDisplayContentSamplingEnabled(const sp<IBinder>& display,
                                                                  bool enable, uint8_t componentMask,
                                                                  uint64_t maxFrames) {
-    return ComposerService::getComposerService()->setDisplayContentSamplingEnabled(display, enable,
-                                                                                   componentMask,
-                                                                                   maxFrames);
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()
+                    ->setDisplayContentSamplingEnabled(display, enable,
+                                                       static_cast<int8_t>(componentMask),
+                                                       static_cast<int64_t>(maxFrames));
+    return status.transactionError();
 }
 
 status_t SurfaceComposerClient::getDisplayedContentSample(const sp<IBinder>& display,
diff --git a/libs/gui/aidl/android/gui/CompositionPreference.aidl b/libs/gui/aidl/android/gui/CompositionPreference.aidl
new file mode 100644
index 0000000..b615824
--- /dev/null
+++ b/libs/gui/aidl/android/gui/CompositionPreference.aidl
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+parcelable CompositionPreference {
+    int /*ui::Dataspace*/   defaultDataspace;
+    int /*ui::PixelFormat*/ defaultPixelFormat;
+    int /*ui::Dataspace*/   wideColorGamutDataspace;
+    int /*ui::PixelFormat*/ wideColorGamutPixelFormat;
+}
diff --git a/libs/gui/aidl/android/gui/ContentSamplingAttributes.aidl b/libs/gui/aidl/android/gui/ContentSamplingAttributes.aidl
new file mode 100644
index 0000000..5d913b1
--- /dev/null
+++ b/libs/gui/aidl/android/gui/ContentSamplingAttributes.aidl
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+parcelable ContentSamplingAttributes {
+    int /*ui::PixelFormat*/ format;
+    int /*ui::Dataspace*/ dataspace;
+    byte componentMask;
+}
diff --git a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
index 42e2d9b..dc77416 100644
--- a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
+++ b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
@@ -16,6 +16,8 @@
 
 package android.gui;
 
+import android.gui.CompositionPreference;
+import android.gui.ContentSamplingAttributes;
 import android.gui.DisplayCaptureArgs;
 import android.gui.DisplayBrightness;
 import android.gui.DisplayPrimaries;
@@ -23,6 +25,8 @@
 import android.gui.DisplayStatInfo;
 import android.gui.FrameEvent;
 import android.gui.FrameStats;
+import android.gui.LayerDebugInfo;
+import android.gui.PullAtomData;
 import android.gui.StaticDisplayInfo;
 import android.gui.DynamicDisplayInfo;
 import android.gui.IHdrLayerInfoListener;
@@ -31,43 +35,50 @@
 
 /** @hide */
 interface ISurfaceComposer {
-    /* create a virtual display
+    /**
+     * Create a virtual display
      * requires ACCESS_SURFACE_FLINGER permission.
      */
     @nullable IBinder createDisplay(@utf8InCpp String displayName, boolean secure);
 
-    /* destroy a virtual display
+    /**
+     * Destroy a virtual display
      * requires ACCESS_SURFACE_FLINGER permission.
      */
     void destroyDisplay(IBinder display);
 
-    /* get stable IDs for connected physical displays.
+    /**
+     * Get stable IDs for connected physical displays.
      */
     long[] getPhysicalDisplayIds();
 
     long getPrimaryPhysicalDisplayId();
 
-    /* get token for a physical display given its stable ID obtained via getPhysicalDisplayIds or a
-     * DisplayEventReceiver hotplug event.
+    /**
+     * Get token for a physical display given its stable ID obtained via getPhysicalDisplayIds or
+     * a DisplayEventReceiver hotplug event.
      */
     @nullable IBinder getPhysicalDisplayToken(long displayId);
 
-    /* Returns the frame timestamps supported by SurfaceFlinger.
+    /**
+     * Returns the frame timestamps supported by SurfaceFlinger.
      */
     FrameEvent[] getSupportedFrameTimestamps();
 
-    /* set display power mode. depending on the mode, it can either trigger
+    /**
+     * Set display power mode. depending on the mode, it can either trigger
      * screen on, off or low power mode and wait for it to complete.
      * requires ACCESS_SURFACE_FLINGER permission.
      */
     void setPowerMode(IBinder display, int mode);
 
-    /* returns display statistics for a given display
+    /**
+     * Returns display statistics for a given display
      * intended to be used by the media framework to properly schedule
      * video frames */
     DisplayStatInfo getDisplayStats(IBinder display);
 
-     /**
+    /**
      * Get transactional state of given display.
      */
     DisplayState getDisplayState(IBinder display);
@@ -136,7 +147,9 @@
      * match the size of the output buffer.
      */
     void captureDisplay(in DisplayCaptureArgs args, IScreenCaptureListener listener);
+
     void captureDisplayById(long displayId, IScreenCaptureListener listener);
+
     /**
      * Capture a subtree of the layer hierarchy, potentially ignoring the root node.
      * This requires READ_FRAME_BUFFER permission. This function will fail if there
@@ -144,25 +157,80 @@
      */
     void captureLayers(in LayerCaptureArgs args, IScreenCaptureListener listener);
 
-    /* Clears the frame statistics for animations.
+    /**
+     * Clears the frame statistics for animations.
      *
      * Requires the ACCESS_SURFACE_FLINGER permission.
      */
     void clearAnimationFrameStats();
 
-    /* Gets the frame statistics for animations.
+    /**
+     * Gets the frame statistics for animations.
      *
      * Requires the ACCESS_SURFACE_FLINGER permission.
      */
     FrameStats getAnimationFrameStats();
 
-    /*
+    /**
+     * Overrides the supported HDR modes for the given display device.
+     *
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    void overrideHdrTypes(IBinder display, in int[] hdrTypes);
+
+    /**
+     * Pulls surfaceflinger atoms global stats and layer stats to pipe to statsd.
+     *
+     * Requires the calling uid be from system server.
+     */
+    PullAtomData onPullAtom(int atomId);
+
+    oneway void enableVSyncInjections(boolean enable);
+
+    oneway void injectVSync(long when);
+
+    /**
+     * Gets the list of active layers in Z order for debugging purposes
+     *
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    List<LayerDebugInfo> getLayerDebugInfo();
+
+    boolean getColorManagement();
+
+    /**
+     * Gets the composition preference of the default data space and default pixel format,
+     * as well as the wide color gamut data space and wide color gamut pixel format.
+     * If the wide color gamut data space is V0_SRGB, then it implies that the platform
+     * has no wide color gamut support.
+     *
+     */
+    CompositionPreference getCompositionPreference();
+
+    /**
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    ContentSamplingAttributes getDisplayedContentSamplingAttributes(IBinder display);
+
+    /**
+     * Turns on the color sampling engine on the display.
+     *
+     * Requires the ACCESS_SURFACE_FLINGER permission.
+     */
+    void setDisplayContentSamplingEnabled(IBinder display, boolean enable, byte componentMask, long maxFrames);
+
+    /**
+     * Gets whether SurfaceFlinger can support protected content in GPU composition.
+     */
+    boolean getProtectedContentSupport();
+
+    /**
      * Queries whether the given display is a wide color display.
      * Requires the ACCESS_SURFACE_FLINGER permission.
      */
     boolean isWideColorDisplay(IBinder token);
 
-    /*
+    /**
      * Gets whether brightness operations are supported on a display.
      *
      * displayToken
@@ -176,7 +244,7 @@
      */
     boolean getDisplayBrightnessSupport(IBinder displayToken);
 
-    /*
+    /**
      * Sets the brightness of a display.
      *
      * displayToken
@@ -191,7 +259,7 @@
      */
     void setDisplayBrightness(IBinder displayToken, in DisplayBrightness brightness);
 
-    /*
+    /**
      * Adds a listener that receives HDR layer information. This is used in combination
      * with setDisplayBrightness to adjust the display brightness depending on factors such
      * as whether or not HDR is in use.
@@ -200,7 +268,7 @@
      */
     void addHdrLayerInfoListener(IBinder displayToken, IHdrLayerInfoListener listener);
 
-    /*
+    /**
      * Removes a listener that was added with addHdrLayerInfoListener.
      *
      * Returns NO_ERROR upon success, NAME_NOT_FOUND if the display is invalid, and BAD_VALUE if
@@ -209,7 +277,7 @@
      */
     void removeHdrLayerInfoListener(IBinder displayToken, IHdrLayerInfoListener listener);
 
-    /*
+    /**
      * Sends a power boost to the composer. This function is asynchronous.
      *
      * boostId
@@ -217,5 +285,5 @@
      *
      * Returns NO_ERROR upon success.
      */
-    void notifyPowerBoost(int boostId);
+    oneway void notifyPowerBoost(int boostId);
 }
diff --git a/libs/gui/aidl/android/gui/LayerDebugInfo.aidl b/libs/gui/aidl/android/gui/LayerDebugInfo.aidl
new file mode 100644
index 0000000..faca980
--- /dev/null
+++ b/libs/gui/aidl/android/gui/LayerDebugInfo.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+parcelable LayerDebugInfo cpp_header "gui/LayerDebugInfo.h";
diff --git a/libs/gui/aidl/android/gui/PullAtomData.aidl b/libs/gui/aidl/android/gui/PullAtomData.aidl
new file mode 100644
index 0000000..14d33c6
--- /dev/null
+++ b/libs/gui/aidl/android/gui/PullAtomData.aidl
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+parcelable PullAtomData {
+    @utf8InCpp String data;
+    boolean success;
+}
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index 138d2ed..9279124 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -61,7 +61,6 @@
 struct DisplayStatInfo;
 struct DisplayState;
 struct InputWindowCommands;
-class LayerDebugInfo;
 class HdrCapabilities;
 class IGraphicBufferProducer;
 class ISurfaceComposerClient;
@@ -76,6 +75,7 @@
 
 struct DisplayCaptureArgs;
 struct LayerCaptureArgs;
+class LayerDebugInfo;
 
 } // namespace gui
 
@@ -154,58 +154,6 @@
     virtual bool authenticateSurfaceTexture(
             const sp<IGraphicBufferProducer>& surface) const = 0;
 
-    /* Overrides the supported HDR modes for the given display device.
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t overrideHdrTypes(const sp<IBinder>& display,
-                                      const std::vector<ui::Hdr>& hdrTypes) = 0;
-
-    /* Pulls surfaceflinger atoms global stats and layer stats to pipe to statsd.
-     *
-     * Requires the calling uid be from system server.
-     */
-    virtual status_t onPullAtom(const int32_t atomId, std::string* outData, bool* success) = 0;
-
-    virtual status_t enableVSyncInjections(bool enable) = 0;
-
-    virtual status_t injectVSync(nsecs_t when) = 0;
-
-    /* Gets the list of active layers in Z order for debugging purposes
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) = 0;
-
-    virtual status_t getColorManagement(bool* outGetColorManagement) const = 0;
-
-    /* Gets the composition preference of the default data space and default pixel format,
-     * as well as the wide color gamut data space and wide color gamut pixel format.
-     * If the wide color gamut data space is V0_SRGB, then it implies that the platform
-     * has no wide color gamut support.
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getCompositionPreference(ui::Dataspace* defaultDataspace,
-                                              ui::PixelFormat* defaultPixelFormat,
-                                              ui::Dataspace* wideColorGamutDataspace,
-                                              ui::PixelFormat* wideColorGamutPixelFormat) const = 0;
-    /*
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getDisplayedContentSamplingAttributes(const sp<IBinder>& display,
-                                                           ui::PixelFormat* outFormat,
-                                                           ui::Dataspace* outDataspace,
-                                                           uint8_t* outComponentMask) const = 0;
-
-    /* Turns on the color sampling engine on the display.
-     *
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t setDisplayContentSamplingEnabled(const sp<IBinder>& display, bool enable,
-                                                      uint8_t componentMask,
-                                                      uint64_t maxFrames) = 0;
-
     /* Returns statistics on the color profile of the last frame displayed for a given display
      *
      * Requires the ACCESS_SURFACE_FLINGER permission.
@@ -214,12 +162,6 @@
                                                uint64_t timestamp,
                                                DisplayedFrameStats* outStats) const = 0;
 
-    /*
-     * Gets whether SurfaceFlinger can support protected content in GPU composition.
-     * Requires the ACCESS_SURFACE_FLINGER permission.
-     */
-    virtual status_t getProtectedContentSupport(bool* outSupported) const = 0;
-
     /* Registers a listener to stream median luma updates from SurfaceFlinger.
      *
      * The sampling area is bounded by both samplingArea and the given stopLayerHandle
@@ -421,22 +363,22 @@
         GET_ANIMATION_FRAME_STATS,   // Deprecated. Autogenerated by .aidl now.
         SET_POWER_MODE,              // Deprecated. Autogenerated by .aidl now.
         GET_DISPLAY_STATS,
-        GET_HDR_CAPABILITIES,    // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
-        GET_DISPLAY_COLOR_MODES, // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
-        GET_ACTIVE_COLOR_MODE,   // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
-        SET_ACTIVE_COLOR_MODE,   // Deprecated. Autogenerated by .aidl now.
-        ENABLE_VSYNC_INJECTIONS,
-        INJECT_VSYNC,
-        GET_LAYER_DEBUG_INFO,
-        GET_COMPOSITION_PREFERENCE,
-        GET_COLOR_MANAGEMENT,
-        GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES,
-        SET_DISPLAY_CONTENT_SAMPLING_ENABLED,
+        GET_HDR_CAPABILITIES,       // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
+        GET_DISPLAY_COLOR_MODES,    // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
+        GET_ACTIVE_COLOR_MODE,      // Deprecated. Use GET_DYNAMIC_DISPLAY_INFO instead.
+        SET_ACTIVE_COLOR_MODE,      // Deprecated. Autogenerated by .aidl now.
+        ENABLE_VSYNC_INJECTIONS,    // Deprecated. Autogenerated by .aidl now.
+        INJECT_VSYNC,               // Deprecated. Autogenerated by .aidl now.
+        GET_LAYER_DEBUG_INFO,       // Deprecated. Autogenerated by .aidl now.
+        GET_COMPOSITION_PREFERENCE, // Deprecated. Autogenerated by .aidl now.
+        GET_COLOR_MANAGEMENT,       // Deprecated. Autogenerated by .aidl now.
+        GET_DISPLAYED_CONTENT_SAMPLING_ATTRIBUTES, // Deprecated. Autogenerated by .aidl now.
+        SET_DISPLAY_CONTENT_SAMPLING_ENABLED,      // Deprecated. Autogenerated by .aidl now.
         GET_DISPLAYED_CONTENT_SAMPLE,
-        GET_PROTECTED_CONTENT_SUPPORT,
-        IS_WIDE_COLOR_DISPLAY,        // Deprecated. Autogenerated by .aidl now.
-        GET_DISPLAY_NATIVE_PRIMARIES, // Deprecated. Autogenerated by .aidl now.
-        GET_PHYSICAL_DISPLAY_IDS,     // Deprecated. Autogenerated by .aidl now.
+        GET_PROTECTED_CONTENT_SUPPORT, // Deprecated. Autogenerated by .aidl now.
+        IS_WIDE_COLOR_DISPLAY,         // Deprecated. Autogenerated by .aidl now.
+        GET_DISPLAY_NATIVE_PRIMARIES,  // Deprecated. Autogenerated by .aidl now.
+        GET_PHYSICAL_DISPLAY_IDS,      // Deprecated. Autogenerated by .aidl now.
         ADD_REGION_SAMPLING_LISTENER,
         REMOVE_REGION_SAMPLING_LISTENER,
         SET_DESIRED_DISPLAY_MODE_SPECS,
@@ -460,10 +402,10 @@
         GET_DYNAMIC_DISPLAY_INFO, // Deprecated. Autogenerated by .aidl now.
         ADD_FPS_LISTENER,
         REMOVE_FPS_LISTENER,
-        OVERRIDE_HDR_TYPES,
+        OVERRIDE_HDR_TYPES,             // Deprecated. Autogenerated by .aidl now.
         ADD_HDR_LAYER_INFO_LISTENER,    // Deprecated. Autogenerated by .aidl now.
         REMOVE_HDR_LAYER_INFO_LISTENER, // Deprecated. Autogenerated by .aidl now.
-        ON_PULL_ATOM,
+        ON_PULL_ATOM,                   // Deprecated. Autogenerated by .aidl now.
         ADD_TUNNEL_MODE_ENABLED_LISTENER,
         REMOVE_TUNNEL_MODE_ENABLED_LISTENER,
         ADD_WINDOW_INFOS_LISTENER,
diff --git a/libs/gui/include/gui/LayerDebugInfo.h b/libs/gui/include/gui/LayerDebugInfo.h
index af834d7..1c1bbef 100644
--- a/libs/gui/include/gui/LayerDebugInfo.h
+++ b/libs/gui/include/gui/LayerDebugInfo.h
@@ -25,7 +25,7 @@
 #include <string>
 #include <math/vec4.h>
 
-namespace android {
+namespace android::gui {
 
 /* Class for transporting debug info from SurfaceFlinger to authorized
  * recipients.  The class is intended to be a data container. There are
@@ -71,4 +71,4 @@
 
 std::string to_string(const LayerDebugInfo& info);
 
-} // namespace android
+} // namespace android::gui
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index a644e04..58964d6 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -714,47 +714,12 @@
         return false;
     }
 
-    status_t overrideHdrTypes(const sp<IBinder>& /*display*/,
-                              const std::vector<ui::Hdr>& /*hdrTypes*/) override {
-        return NO_ERROR;
-    }
-    status_t onPullAtom(const int32_t /*atomId*/, std::string* /*outData*/,
-                        bool* /*success*/) override {
-        return NO_ERROR;
-    }
-    status_t enableVSyncInjections(bool /*enable*/) override {
-        return NO_ERROR;
-    }
-    status_t injectVSync(nsecs_t /*when*/) override { return NO_ERROR; }
-    status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* /*layers*/) override {
-        return NO_ERROR;
-    }
-    status_t getCompositionPreference(
-            ui::Dataspace* /*outDefaultDataspace*/, ui::PixelFormat* /*outDefaultPixelFormat*/,
-            ui::Dataspace* /*outWideColorGamutDataspace*/,
-            ui::PixelFormat* /*outWideColorGamutPixelFormat*/) const override {
-        return NO_ERROR;
-    }
-    status_t getDisplayedContentSamplingAttributes(const sp<IBinder>& /*display*/,
-                                                   ui::PixelFormat* /*outFormat*/,
-                                                   ui::Dataspace* /*outDataspace*/,
-                                                   uint8_t* /*outComponentMask*/) const override {
-        return NO_ERROR;
-    }
-    status_t setDisplayContentSamplingEnabled(const sp<IBinder>& /*display*/, bool /*enable*/,
-                                              uint8_t /*componentMask*/,
-                                              uint64_t /*maxFrames*/) override {
-        return NO_ERROR;
-    }
     status_t getDisplayedContentSample(const sp<IBinder>& /*display*/, uint64_t /*maxFrames*/,
                                        uint64_t /*timestamp*/,
                                        DisplayedFrameStats* /*outStats*/) const override {
         return NO_ERROR;
     }
 
-    status_t getColorManagement(bool* /*outGetColorManagement*/) const override { return NO_ERROR; }
-    status_t getProtectedContentSupport(bool* /*outSupported*/) const override { return NO_ERROR; }
-
     status_t addRegionSamplingListener(const Rect& /*samplingArea*/,
                                        const sp<IBinder>& /*stopLayerHandle*/,
                                        const sp<IRegionSamplingListener>& /*listener*/) override {
@@ -964,6 +929,46 @@
         return binder::Status::ok();
     }
 
+    binder::Status overrideHdrTypes(const sp<IBinder>& /*display*/,
+                                    const std::vector<int32_t>& /*hdrTypes*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status onPullAtom(int32_t /*atomId*/, gui::PullAtomData* /*outPullData*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status enableVSyncInjections(bool /*enable*/) override { return binder::Status::ok(); }
+
+    binder::Status injectVSync(int64_t /*when*/) override { return binder::Status::ok(); }
+
+    binder::Status getLayerDebugInfo(std::vector<gui::LayerDebugInfo>* /*outLayers*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getColorManagement(bool* /*outGetColorManagement*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getCompositionPreference(gui::CompositionPreference* /*outPref*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getDisplayedContentSamplingAttributes(
+            const sp<IBinder>& /*display*/, gui::ContentSamplingAttributes* /*outAttrs*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status setDisplayContentSamplingEnabled(const sp<IBinder>& /*display*/, bool /*enable*/,
+                                                    int8_t /*componentMask*/,
+                                                    int64_t /*maxFrames*/) override {
+        return binder::Status::ok();
+    }
+
+    binder::Status getProtectedContentSupport(bool* /*outSupporte*/) override {
+        return binder::Status::ok();
+    }
+
     binder::Status isWideColorDisplay(const sp<IBinder>& /*token*/,
                                       bool* /*outIsWideColorDisplay*/) override {
         return binder::Status::ok();