diff --git a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
index 86c2c1e..a5369e7 100644
--- a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
+++ b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
@@ -607,7 +607,9 @@
 
     struct DeviceCb : public V3_5::ICameraDeviceCallback {
         DeviceCb(CameraHidlTest *parent, int deviceVersion, const camera_metadata_t *staticMeta) :
-                mParent(parent), mDeviceVersion(deviceVersion), mStaticMetadata(staticMeta) {}
+                mParent(parent), mDeviceVersion(deviceVersion) {
+            mStaticMetadata = staticMeta;
+        }
 
         Return<void> processCaptureResult_3_4(
                 const hidl_vec<V3_4::CaptureResult>& results) override;
@@ -631,7 +633,7 @@
 
         CameraHidlTest *mParent; // Parent object
         int mDeviceVersion;
-        const camera_metadata_t *mStaticMetadata;
+        android::hardware::camera::common::V1_0::helper::CameraMetadata mStaticMetadata;
         bool hasOutstandingBuffersLocked();
 
         /* members for requestStreamBuffers() and returnStreamBuffers()*/
@@ -1194,18 +1196,20 @@
         // Verify final result metadata
         bool isAtLeast_3_5 = mDeviceVersion >= CAMERA_DEVICE_API_VERSION_3_5;
         if (isAtLeast_3_5) {
+            auto staticMetadataBuffer = mStaticMetadata.getAndLock();
             bool isMonochrome = Status::OK ==
-                    CameraHidlTest::isMonochromeCamera(mStaticMetadata);
+                    CameraHidlTest::isMonochromeCamera(staticMetadataBuffer);
             if (isMonochrome) {
                 mParent->verifyMonochromeCameraResult(request->collectedResult);
             }
 
             // Verify logical camera result metadata
             bool isLogicalCamera =
-                    Status::OK == CameraHidlTest::isLogicalMultiCamera(mStaticMetadata);
+                    Status::OK == CameraHidlTest::isLogicalMultiCamera(staticMetadataBuffer);
             if (isLogicalCamera) {
-                mParent->verifyLogicalCameraResult(mStaticMetadata, request->collectedResult);
+                mParent->verifyLogicalCameraResult(staticMetadataBuffer, request->collectedResult);
             }
+            mStaticMetadata.unlock(staticMetadataBuffer);
         }
     }
 
@@ -4131,6 +4135,8 @@
                 &useHalBufManager /*out*/, &cb /*out*/, 0 /*streamConfigCounter*/,
                 true /*allowUnsupport*/);
         if (session3_5 == nullptr) {
+            ret = session3_4->close();
+            ASSERT_TRUE(ret.isOk());
             continue;
         }
 
@@ -5402,7 +5408,7 @@
         ASSERT_EQ(Status::OK, s);
         staticMeta = clone_camera_metadata(
                 reinterpret_cast<const camera_metadata_t*>(metadata.data()));
-         ASSERT_NE(nullptr, staticMeta);
+        ASSERT_NE(nullptr, staticMeta);
     });
     ASSERT_TRUE(ret.isOk());
 
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index 2284723..6e1bc8f 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -365,7 +365,10 @@
     </hal>
     <hal format="hidl" optional="true">
         <name>android.hardware.radio.config</name>
-        <version>1.2</version>
+        <!--
+        See compatibility_matrix.4.xml on versioning of radio config HAL.
+        -->
+        <version>1.1</version>
         <interface>
             <name>IRadioConfig</name>
             <instance>default</instance>
diff --git a/drm/1.1/vts/functional/drm_hal_clearkey_test.cpp b/drm/1.1/vts/functional/drm_hal_clearkey_test.cpp
index 7dedd7f..6be30d3 100644
--- a/drm/1.1/vts/functional/drm_hal_clearkey_test.cpp
+++ b/drm/1.1/vts/functional/drm_hal_clearkey_test.cpp
@@ -24,7 +24,7 @@
 #include <android/hardware/drm/1.0/types.h>
 #include <android/hardware/drm/1.1/types.h>
 #include <android/hidl/allocator/1.0/IAllocator.h>
-#include <android/hidl/manager/1.0/IServiceManager.h>
+#include <android/hidl/manager/1.2/IServiceManager.h>
 #include <gtest/gtest.h>
 #include <hidl/HidlSupport.h>
 #include <hidl/ServiceManagement.h>
@@ -129,9 +129,9 @@
         ALOGD("DrmHalClearkeyTest: Running test %s.%s", test_info->test_case_name(),
                 test_info->name());
 
-        auto manager = android::hardware::defaultServiceManager();
+        auto manager = android::hardware::defaultServiceManager1_2();
         ASSERT_NE(nullptr, manager.get());
-        manager->listByInterface(IDrmFactory::descriptor,
+        manager->listManifestByInterface(IDrmFactory::descriptor,
                 [&](const hidl_vec<hidl_string> &registered) {
                     for (const auto &instance : registered) {
                         sp<IDrmFactory> drmFactory =
@@ -144,7 +144,7 @@
                 }
             );
 
-        manager->listByInterface(ICryptoFactory::descriptor,
+        manager->listManifestByInterface(ICryptoFactory::descriptor,
                 [&](const hidl_vec<hidl_string> &registered) {
                     for (const auto &instance : registered) {
                         sp<ICryptoFactory> cryptoFactory =
diff --git a/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp b/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp
index 2d901f3..4016a5a 100644
--- a/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp
+++ b/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp
@@ -24,6 +24,9 @@
 
 using android::hardware::hidl_vec;
 
+using IGnssMeasurement_1_0 = android::hardware::gnss::V1_0::IGnssMeasurement;
+using IGnssMeasurement_1_1 = android::hardware::gnss::V1_1::IGnssMeasurement;
+
 using android::hardware::gnss::V1_0::GnssConstellationType;
 using android::hardware::gnss::V1_0::GnssLocation;
 using android::hardware::gnss::V1_0::IGnssDebug;
@@ -43,11 +46,15 @@
  * Gets the GnssMeasurementExtension and verify that it returns an actual extension.
  */
 TEST_F(GnssHalTest, TestGnssMeasurementCallback) {
-    auto gnssMeasurement = gnss_hal_->getExtensionGnssMeasurement_1_1();
-    ASSERT_TRUE(gnssMeasurement.isOk());
+    auto gnssMeasurement_1_1 = gnss_hal_->getExtensionGnssMeasurement_1_1();
+    ASSERT_TRUE(gnssMeasurement_1_1.isOk());
+    auto gnssMeasurement_1_0 = gnss_hal_->getExtensionGnssMeasurement();
+    ASSERT_TRUE(gnssMeasurement_1_0.isOk());
     if (last_capabilities_ & IGnssCallback::Capabilities::MEASUREMENTS) {
-        sp<IGnssMeasurement> iGnssMeas = gnssMeasurement;
-        EXPECT_NE(iGnssMeas, nullptr);
+        sp<IGnssMeasurement_1_1> iGnssMeas_1_1 = gnssMeasurement_1_1;
+        sp<IGnssMeasurement_1_0> iGnssMeas_1_0 = gnssMeasurement_1_0;
+        // At least one interface must be non-null.
+        ASSERT_TRUE(iGnssMeas_1_1 != nullptr || iGnssMeas_1_0 != nullptr);
     }
 }
 
diff --git a/graphics/composer/2.1/vts/functional/VtsHalGraphicsComposerV2_1TargetTest.cpp b/graphics/composer/2.1/vts/functional/VtsHalGraphicsComposerV2_1TargetTest.cpp
index 30b9694..fa5ace6 100644
--- a/graphics/composer/2.1/vts/functional/VtsHalGraphicsComposerV2_1TargetTest.cpp
+++ b/graphics/composer/2.1/vts/functional/VtsHalGraphicsComposerV2_1TargetTest.cpp
@@ -790,7 +790,7 @@
 TEST_F(GraphicsComposerHidlCommandTest, PRESENT_DISPLAY_NO_LAYER_STATE_CHANGES) {
     mWriter->selectDisplay(mPrimaryDisplay);
     mComposerClient->setPowerMode(mPrimaryDisplay, IComposerClient::PowerMode::ON);
-    mComposerClient->setColorMode(mPrimaryDisplay, ColorMode::SRGB);
+    mComposerClient->setColorMode(mPrimaryDisplay, ColorMode::NATIVE);
 
     auto handle = allocate();
     ASSERT_NE(nullptr, handle);
diff --git a/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2ReadbackTest.cpp b/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2ReadbackTest.cpp
index 0648b34..02c4c9c 100644
--- a/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2ReadbackTest.cpp
+++ b/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2ReadbackTest.cpp
@@ -182,6 +182,14 @@
         mReader = std::make_unique<TestCommandReader>();
         mGralloc = std::make_shared<Gralloc>();
 
+        std::vector<ColorMode> colorModes = mComposerClient->getColorModes(mPrimaryDisplay);
+        if (std::find(colorModes.begin(), colorModes.end(), ColorMode::SRGB) == colorModes.end()) {
+            mHasReadbackBuffer = false;
+            return;
+        }
+        mWriter->selectDisplay(mPrimaryDisplay);
+        ASSERT_NO_FATAL_FAILURE(mComposerClient->setColorMode(mPrimaryDisplay, ColorMode::SRGB,
+                                                              RenderIntent::COLORIMETRIC));
         mComposerClient->getRaw()->getReadbackBufferAttributes(
             mPrimaryDisplay,
             [&](const auto& tmpError, const auto& tmpPixelFormat, const auto& tmpDataspace) {
@@ -471,12 +479,12 @@
 
 TEST_F(GraphicsComposerReadbackTest, SingleSolidColorLayer) {
     if (!mHasReadbackBuffer) {
+        std::cout << "Readback not supported or unsuppported pixelFormat/dataspace or SRGB not a "
+                     "valid color mode"
+                  << std::endl;
         GTEST_SUCCEED() << "Readback not supported or unsupported pixelFormat/dataspace";
         return;
     }
-    mWriter->selectDisplay(mPrimaryDisplay);
-    ASSERT_NO_FATAL_FAILURE(mComposerClient->setColorMode(mPrimaryDisplay, ColorMode::SRGB,
-                                                          RenderIntent::COLORIMETRIC));
 
     auto layer = std::make_shared<TestColorLayer>(mComposerClient, mPrimaryDisplay);
     IComposerClient::Rect coloredSquare({0, 0, mDisplayWidth, mDisplayHeight});
@@ -515,12 +523,13 @@
 
 TEST_F(GraphicsComposerReadbackTest, SetLayerBuffer) {
     if (!mHasReadbackBuffer) {
+        std::cout << "Readback not supported or unsuppported pixelFormat/dataspace or SRGB not a "
+                     "valid color mode"
+                  << std::endl;
         GTEST_SUCCEED() << "Readback not supported or unsupported pixelFormat/dataspace";
         return;
     }
 
-    mWriter->selectDisplay(mPrimaryDisplay);
-
     ReadbackBuffer readbackBuffer(mPrimaryDisplay, mComposerClient, mGralloc, mDisplayWidth,
                                   mDisplayHeight, mPixelFormat, mDataspace);
     ASSERT_NO_FATAL_FAILURE(readbackBuffer.setReadbackBuffer());
@@ -562,13 +571,13 @@
 
 TEST_F(GraphicsComposerReadbackTest, SetLayerBufferNoEffect) {
     if (!mHasReadbackBuffer) {
+        std::cout << "Readback not supported or unsuppported pixelFormat/dataspace or SRGB not a "
+                     "valid color mode"
+                  << std::endl;
         GTEST_SUCCEED() << "Readback not supported or unsupported pixelFormat/dataspace";
         return;
     }
 
-    mWriter->selectDisplay(mPrimaryDisplay);
-    ASSERT_NO_FATAL_FAILURE(mComposerClient->setColorMode(mPrimaryDisplay, ColorMode::SRGB,
-                                                          RenderIntent::COLORIMETRIC));
 
     auto layer = std::make_shared<TestColorLayer>(mComposerClient, mPrimaryDisplay);
     IComposerClient::Rect coloredSquare({0, 0, mDisplayWidth, mDisplayHeight});
@@ -611,12 +620,13 @@
 
 TEST_F(GraphicsComposerReadbackTest, ClientComposition) {
     if (!mHasReadbackBuffer) {
+        std::cout << "Readback not supported or unsuppported pixelFormat/dataspace or SRGB not a "
+                     "valid color mode"
+                  << std::endl;
         GTEST_SUCCEED() << "Readback not supported or unsupported pixelFormat/dataspace";
         return;
     }
 
-    mWriter->selectDisplay(mPrimaryDisplay);
-
     std::vector<IComposerClient::Color> expectedColors(mDisplayWidth * mDisplayHeight);
     fillColorsArea(expectedColors, mDisplayWidth, {0, 0, mDisplayWidth, mDisplayHeight / 4}, RED);
     fillColorsArea(expectedColors, mDisplayWidth,
@@ -690,11 +700,13 @@
 
 TEST_F(GraphicsComposerReadbackTest, DeviceAndClientComposition) {
     if (!mHasReadbackBuffer) {
+        std::cout << "Readback not supported or unsuppported pixelFormat/dataspace or SRGB not a "
+                     "valid color mode"
+                  << std::endl;
         GTEST_SUCCEED() << "Readback not supported or unsupported pixelFormat/dataspace";
         return;
     }
 
-    mWriter->selectDisplay(mPrimaryDisplay);
     ASSERT_NO_FATAL_FAILURE(
         mComposerClient->setClientTargetSlotCount(mPrimaryDisplay, kClientTargetSlotCount));
 
@@ -776,12 +788,13 @@
 
 TEST_F(GraphicsComposerReadbackTest, SetLayerDamage) {
     if (!mHasReadbackBuffer) {
+        std::cout << "Readback not supported or unsuppported pixelFormat/dataspace or SRGB not a "
+                     "valid color mode"
+                  << std::endl;
         GTEST_SUCCEED() << "Readback not supported or unsupported pixelformat/dataspace";
         return;
     }
 
-    mWriter->selectDisplay(mPrimaryDisplay);
-
     IComposerClient::Rect redRect = {0, 0, mDisplayWidth / 4, mDisplayHeight / 4};
 
     std::vector<IComposerClient::Color> expectedColors(mDisplayWidth * mDisplayHeight);
@@ -842,14 +855,13 @@
 
 TEST_F(GraphicsComposerReadbackTest, SetLayerPlaneAlpha) {
     if (!mHasReadbackBuffer) {
+        std::cout << "Readback not supported or unsuppported pixelFormat/dataspace or SRGB not a "
+                     "valid color mode"
+                  << std::endl;
         GTEST_SUCCEED() << "Readback not supported or unsupported pixelFormat/dataspace";
         return;
     }
 
-    mWriter->selectDisplay(mPrimaryDisplay);
-    ASSERT_NO_FATAL_FAILURE(mComposerClient->setColorMode(mPrimaryDisplay, ColorMode::SRGB,
-                                                          RenderIntent::COLORIMETRIC));
-
     auto layer = std::make_shared<TestColorLayer>(mComposerClient, mPrimaryDisplay);
     layer->setColor(RED);
     layer->setDisplayFrame({0, 0, mDisplayWidth, mDisplayHeight});
@@ -886,12 +898,13 @@
 
 TEST_F(GraphicsComposerReadbackTest, SetLayerSourceCrop) {
     if (!mHasReadbackBuffer) {
+        std::cout << "Readback not supported or unsuppported pixelFormat/dataspace or SRGB not a "
+                     "valid color mode"
+                  << std::endl;
         GTEST_SUCCEED() << "Readback not supported or unsupported pixelFormat/dataspace";
         return;
     }
 
-    mWriter->selectDisplay(mPrimaryDisplay);
-
     std::vector<IComposerClient::Color> expectedColors(mDisplayWidth * mDisplayHeight);
     fillColorsArea(expectedColors, mDisplayWidth, {0, 0, mDisplayWidth, mDisplayHeight / 4}, RED);
     fillColorsArea(expectedColors, mDisplayWidth,
@@ -931,14 +944,13 @@
 
 TEST_F(GraphicsComposerReadbackTest, SetLayerZOrder) {
     if (!mHasReadbackBuffer) {
+        std::cout << "Readback not supported or unsuppported pixelFormat/dataspace or SRGB not a "
+                     "valid color mode"
+                  << std::endl;
         GTEST_SUCCEED() << "Readback not supported or unsupported pixelFormat/dataspace";
         return;
     }
 
-    mWriter->selectDisplay(mPrimaryDisplay);
-    ASSERT_NO_FATAL_FAILURE(mComposerClient->setColorMode(mPrimaryDisplay, ColorMode::SRGB,
-                                                          RenderIntent::COLORIMETRIC));
-
     IComposerClient::Rect redRect = {0, 0, mDisplayWidth, mDisplayHeight / 2};
     IComposerClient::Rect blueRect = {0, mDisplayHeight / 4, mDisplayWidth, mDisplayHeight};
     auto redLayer = std::make_shared<TestColorLayer>(mComposerClient, mPrimaryDisplay);
@@ -1081,12 +1093,13 @@
 
 TEST_P(GraphicsComposerBlendModeReadbackTest, None) {
     if (!mHasReadbackBuffer) {
+        std::cout << "Readback not supported or unsuppported pixelFormat/dataspace or SRGB not a "
+                     "valid color mode"
+                  << std::endl;
         GTEST_SUCCEED() << "Readback not supported or unsupported pixelFormat/dataspace";
         return;
     }
 
-    mWriter->selectDisplay(mPrimaryDisplay);
-
     std::vector<IComposerClient::Color> expectedColors(mDisplayWidth * mDisplayHeight);
 
     setBackgroundColor(BLACK);
@@ -1118,12 +1131,13 @@
 // alpha of .2, expected 10.2
 TEST_P(GraphicsComposerBlendModeReadbackTest, DISABLED_Coverage) {
     if (!mHasReadbackBuffer) {
+        std::cout << "Readback not supported or unsuppported pixelFormat/dataspace or SRGB not a "
+                     "valid color mode"
+                  << std::endl;
         GTEST_SUCCEED() << "Readback not supported or unsupported pixelFormat/dataspace";
         return;
     }
 
-    mWriter->selectDisplay(mPrimaryDisplay);
-
     std::vector<IComposerClient::Color> expectedColors(mDisplayWidth * mDisplayHeight);
 
     setBackgroundColor(BLACK);
@@ -1153,12 +1167,13 @@
 
 TEST_P(GraphicsComposerBlendModeReadbackTest, Premultiplied) {
     if (!mHasReadbackBuffer) {
+        std::cout << "Readback not supported or unsuppported pixelFormat/dataspace or SRGB not a "
+                     "valid color mode"
+                  << std::endl;
         GTEST_SUCCEED() << "Readback not supported or unsupported pixelFormat/dataspace";
         return;
     }
 
-    mWriter->selectDisplay(mPrimaryDisplay);
-
     std::vector<IComposerClient::Color> expectedColors(mDisplayWidth * mDisplayHeight);
 
     setBackgroundColor(BLACK);
@@ -1193,10 +1208,6 @@
     void SetUp() override {
         GraphicsComposerReadbackTest::SetUp();
 
-        mWriter->selectDisplay(mPrimaryDisplay);
-        ASSERT_NO_FATAL_FAILURE(mComposerClient->setColorMode(mPrimaryDisplay, ColorMode::SRGB,
-                                                              RenderIntent::COLORIMETRIC));
-
         auto backgroundLayer = std::make_shared<TestColorLayer>(mComposerClient, mPrimaryDisplay);
         backgroundLayer->setColor({0, 0, 0, 0});
         backgroundLayer->setDisplayFrame({0, 0, mDisplayWidth, mDisplayHeight});
@@ -1230,6 +1241,9 @@
 
 TEST_F(GraphicsComposerTransformReadbackTest, FLIP_H) {
     if (!mHasReadbackBuffer) {
+        std::cout << "Readback not supported or unsuppported pixelFormat/dataspace or SRGB not a "
+                     "valid color mode"
+                  << std::endl;
         GTEST_SUCCEED() << "Readback not supported or unsupported pixelFormat/dataspace";
         return;
     }
@@ -1262,6 +1276,9 @@
 
 TEST_F(GraphicsComposerTransformReadbackTest, FLIP_V) {
     if (!mHasReadbackBuffer) {
+        std::cout << "Readback not supported or unsuppported pixelFormat/dataspace or SRGB not a "
+                     "valid color mode"
+                  << std::endl;
         GTEST_SUCCEED() << "Readback not supported or unsupported pixelFormat/dataspace";
         return;
     }
@@ -1295,6 +1312,9 @@
 
 TEST_F(GraphicsComposerTransformReadbackTest, ROT_180) {
     if (!mHasReadbackBuffer) {
+        std::cout << "Readback not supported or unsuppported pixelFormat/dataspace or SRGB not a "
+                     "valid color mode"
+                  << std::endl;
         GTEST_SUCCEED() << "Readback not supported or unsupported pixelFormat/dataspace";
         return;
     }
diff --git a/media/omx/1.0/vts/functional/common/Android.bp b/media/omx/1.0/vts/functional/common/Android.bp
index cdc52fb..5a79e55 100644
--- a/media/omx/1.0/vts/functional/common/Android.bp
+++ b/media/omx/1.0/vts/functional/common/Android.bp
@@ -29,6 +29,21 @@
         "android.hidl.memory@1.0",
         "android.hardware.media.omx@1.0",
         "android.hardware.graphics.allocator@2.0",
+        "android.hardware.graphics.allocator@3.0",
+        "android.hardware.graphics.common@1.0",
+        "android.hardware.graphics.common@1.1",
+        "android.hardware.graphics.common@1.2",
+        "android.hardware.graphics.mapper@2.0",
+        "android.hardware.graphics.mapper@3.0",
+    ],
+    export_static_lib_headers: [
+        "android.hardware.graphics.allocator@2.0",
+        "android.hardware.graphics.allocator@3.0",
+        "android.hardware.graphics.common@1.0",
+        "android.hardware.graphics.common@1.1",
+        "android.hardware.graphics.common@1.2",
+        "android.hardware.graphics.mapper@2.0",
+        "android.hardware.graphics.mapper@3.0",
     ],
 }
 
@@ -40,7 +55,12 @@
     static_libs: [
         "VtsHalMediaOmxV1_0CommonUtil",
         "android.hardware.graphics.allocator@2.0",
+        "android.hardware.graphics.allocator@3.0",
+        "android.hardware.graphics.common@1.0",
+        "android.hardware.graphics.common@1.1",
+        "android.hardware.graphics.common@1.2",
         "android.hardware.graphics.mapper@2.0",
+        "android.hardware.graphics.mapper@3.0",
         "android.hardware.graphics.bufferqueue@1.0",
         "android.hardware.graphics.common@1.0",
         "android.hardware.media.omx@1.0",
diff --git a/media/omx/1.0/vts/functional/common/media_hidl_test_common.cpp b/media/omx/1.0/vts/functional/common/media_hidl_test_common.cpp
index f299e36..8d4c022 100644
--- a/media/omx/1.0/vts/functional/common/media_hidl_test_common.cpp
+++ b/media/omx/1.0/vts/functional/common/media_hidl_test_common.cpp
@@ -22,8 +22,11 @@
 #include <android-base/logging.h>
 
 #include <android/hardware/graphics/allocator/2.0/IAllocator.h>
+#include <android/hardware/graphics/allocator/3.0/IAllocator.h>
 #include <android/hardware/graphics/mapper/2.0/IMapper.h>
 #include <android/hardware/graphics/mapper/2.0/types.h>
+#include <android/hardware/graphics/mapper/3.0/IMapper.h>
+#include <android/hardware/graphics/mapper/3.0/types.h>
 #include <android/hardware/media/omx/1.0/IOmx.h>
 #include <android/hardware/media/omx/1.0/IOmxNode.h>
 #include <android/hardware/media/omx/1.0/IOmxObserver.h>
@@ -31,7 +34,9 @@
 #include <android/hidl/allocator/1.0/IAllocator.h>
 #include <android/hidl/memory/1.0/IMapper.h>
 #include <android/hidl/memory/1.0/IMemory.h>
-#include <cutils/atomic.h>
+
+#include <atomic>
+#include <variant>
 
 using ::android::hardware::graphics::common::V1_0::BufferUsage;
 using ::android::hardware::graphics::common::V1_0::PixelFormat;
@@ -195,67 +200,104 @@
                             BufferInfo* buffer, uint32_t nFrameWidth,
                             uint32_t nFrameHeight, int32_t* nStride,
                             int format) {
-    android::hardware::media::omx::V1_0::Status status;
-    sp<android::hardware::graphics::allocator::V2_0::IAllocator> allocator =
-        android::hardware::graphics::allocator::V2_0::IAllocator::getService();
-    ASSERT_NE(nullptr, allocator.get());
+    struct AllocatorV2 : public GrallocV2 {
+        sp<IAllocator> mAllocator;
+        sp<IMapper> mMapper;
+        AllocatorV2(sp<IAllocator>&& allocator, sp<IMapper>&& mapper)
+              : mAllocator{std::move(allocator)}, mMapper{std::move(mapper)} {}
+        AllocatorV2() = default;
+    };
+    struct AllocatorV3 : public GrallocV3 {
+        sp<IAllocator> mAllocator;
+        sp<IMapper> mMapper;
+        AllocatorV3(sp<IAllocator>&& allocator, sp<IMapper>&& mapper)
+              : mAllocator{std::move(allocator)}, mMapper{std::move(mapper)} {}
+        AllocatorV3() = default;
+    };
+    std::variant<AllocatorV2, AllocatorV3> grallocVar;
 
-    sp<android::hardware::graphics::mapper::V2_0::IMapper> mapper =
-        android::hardware::graphics::mapper::V2_0::IMapper::getService();
-    ASSERT_NE(mapper.get(), nullptr);
+    sp<android::hardware::graphics::mapper::V2_0::IMapper> mapper2{};
+    sp<android::hardware::graphics::mapper::V3_0::IMapper> mapper3{};
+    sp<android::hardware::graphics::allocator::V2_0::IAllocator> allocator2{};
+    sp<android::hardware::graphics::allocator::V3_0::IAllocator> allocator3 =
+        android::hardware::graphics::allocator::V3_0::IAllocator::getService();
+    if (allocator3) {
+        mapper3 =
+            android::hardware::graphics::mapper::V3_0::IMapper::getService();
+        ASSERT_NE(nullptr, mapper3.get());
+        grallocVar.emplace<AllocatorV3>(std::move(allocator3), std::move(mapper3));
+    } else {
+        allocator2 =
+            android::hardware::graphics::allocator::V2_0::IAllocator::getService();
+        ASSERT_NE(nullptr, allocator2.get());
+        mapper2 =
+            android::hardware::graphics::mapper::V2_0::IMapper::getService();
+        ASSERT_NE(nullptr, allocator2.get());
+        grallocVar.emplace<AllocatorV2>(std::move(allocator2), std::move(mapper2));
+    }
 
-    android::hardware::graphics::mapper::V2_0::IMapper::BufferDescriptorInfo
-        descriptorInfo;
-    uint32_t usage;
-
-    descriptorInfo.width = nFrameWidth;
-    descriptorInfo.height = nFrameHeight;
-    descriptorInfo.layerCount = 1;
-    descriptorInfo.format = static_cast<PixelFormat>(format);
-    descriptorInfo.usage = static_cast<uint64_t>(BufferUsage::CPU_READ_OFTEN);
-    omxNode->getGraphicBufferUsage(
+    android::hardware::media::omx::V1_0::Status status{};
+    uint64_t usage{};
+    ASSERT_TRUE(omxNode->getGraphicBufferUsage(
         portIndex,
         [&status, &usage](android::hardware::media::omx::V1_0::Status _s,
                           uint32_t _n1) {
             status = _s;
             usage = _n1;
-        });
-    if (status == android::hardware::media::omx::V1_0::Status::OK) {
-        descriptorInfo.usage |= usage;
-    }
+        }).isOk());
+    ASSERT_EQ(status, android::hardware::media::omx::V1_0::Status::OK);
 
-    ::android::hardware::hidl_vec<uint32_t> descriptor;
-    android::hardware::graphics::mapper::V2_0::Error error;
-    mapper->createDescriptor(
-        descriptorInfo, [&error, &descriptor](
-                            android::hardware::graphics::mapper::V2_0::Error _s,
-                            ::android::hardware::hidl_vec<uint32_t> _n1) {
-            error = _s;
-            descriptor = _n1;
-        });
-    ASSERT_EQ(error, android::hardware::graphics::mapper::V2_0::Error::NONE);
+    static std::atomic_int32_t bufferIdCounter{0};
 
-    static volatile int32_t nextId = 0;
-    uint64_t id = static_cast<uint64_t>(getpid()) << 32;
-    allocator->allocate(
-        descriptor, 1,
-        [&](android::hardware::graphics::mapper::V2_0::Error _s, uint32_t _n1,
-            const ::android::hardware::hidl_vec<
-                ::android::hardware::hidl_handle>& _n2) {
-            ASSERT_EQ(android::hardware::graphics::mapper::V2_0::Error::NONE,
-                      _s);
-            *nStride = _n1;
-            buffer->omxBuffer.nativeHandle = _n2[0];
-            buffer->omxBuffer.attr.anwBuffer.width = nFrameWidth;
-            buffer->omxBuffer.attr.anwBuffer.height = nFrameHeight;
-            buffer->omxBuffer.attr.anwBuffer.stride = _n1;
-            buffer->omxBuffer.attr.anwBuffer.format = descriptorInfo.format;
-            buffer->omxBuffer.attr.anwBuffer.usage = descriptorInfo.usage;
-            buffer->omxBuffer.attr.anwBuffer.layerCount =
-                descriptorInfo.layerCount;
-            buffer->omxBuffer.attr.anwBuffer.id =
-                id | static_cast<uint32_t>(android_atomic_inc(&nextId));
-        });
+    std::visit([buffer, nFrameWidth, nFrameHeight, format, usage, nStride](auto&& gralloc) {
+            using Gralloc = std::remove_reference_t<decltype(gralloc)>;
+            using Descriptor = typename Gralloc::Descriptor;
+            using DescriptorInfo = typename Gralloc::DescriptorInfo;
+            using Error = typename Gralloc::Error;
+            using Format = typename Gralloc::Format;
+            using Usage = typename Gralloc::Usage;
+
+            Error error{};
+            Descriptor descriptor{};
+
+            DescriptorInfo descriptorInfo{};
+            descriptorInfo.width = nFrameWidth;
+            descriptorInfo.height = nFrameHeight;
+            descriptorInfo.layerCount = 1;
+            descriptorInfo.format = static_cast<Format>(format);
+            descriptorInfo.usage = usage | Usage(BufferUsage::CPU_READ_OFTEN);
+
+            gralloc.mMapper->createDescriptor(descriptorInfo,
+                    [&error, &descriptor](
+                        Error _s,
+                        const Descriptor& _n1) {
+                    error = _s;
+                    descriptor = _n1;
+                });
+            ASSERT_EQ(error, Error::NONE);
+
+            gralloc.mAllocator->allocate(
+                descriptor, 1,
+                [&](Error _s, uint32_t _n1,
+                    const ::android::hardware::hidl_vec<
+                        ::android::hardware::hidl_handle>& _n2) {
+                    ASSERT_EQ(Error::NONE, _s);
+                    *nStride = _n1;
+                    buffer->omxBuffer.nativeHandle = _n2[0];
+                    buffer->omxBuffer.attr.anwBuffer.width = nFrameWidth;
+                    buffer->omxBuffer.attr.anwBuffer.height = nFrameHeight;
+                    buffer->omxBuffer.attr.anwBuffer.stride = _n1;
+                    buffer->omxBuffer.attr.anwBuffer.format =
+                        static_cast<PixelFormat>(descriptorInfo.format);
+                    buffer->omxBuffer.attr.anwBuffer.usage =
+                        static_cast<uint32_t>(descriptorInfo.usage);
+                    buffer->omxBuffer.attr.anwBuffer.layerCount =
+                        descriptorInfo.layerCount;
+                    buffer->omxBuffer.attr.anwBuffer.id =
+                        (static_cast<uint64_t>(getpid()) << 32) |
+                        bufferIdCounter.fetch_add(1, std::memory_order_relaxed);
+                });
+        }, grallocVar);
 }
 
 // allocate buffers needed on a component port
diff --git a/media/omx/1.0/vts/functional/common/media_hidl_test_common.h b/media/omx/1.0/vts/functional/common/media_hidl_test_common.h
index 1575ba2..08af26b 100644
--- a/media/omx/1.0/vts/functional/common/media_hidl_test_common.h
+++ b/media/omx/1.0/vts/functional/common/media_hidl_test_common.h
@@ -22,6 +22,16 @@
 #endif
 
 #include <getopt.h>
+
+#include <android/hardware/graphics/allocator/2.0/IAllocator.h>
+#include <android/hardware/graphics/allocator/3.0/IAllocator.h>
+#include <android/hardware/graphics/common/1.0/types.h>
+#include <android/hardware/graphics/common/1.1/types.h>
+#include <android/hardware/graphics/common/1.2/types.h>
+#include <android/hardware/graphics/mapper/2.0/IMapper.h>
+#include <android/hardware/graphics/mapper/2.0/types.h>
+#include <android/hardware/graphics/mapper/3.0/IMapper.h>
+#include <android/hardware/graphics/mapper/3.0/types.h>
 #include <media/stagefright/foundation/ALooper.h>
 #include <utils/Condition.h>
 #include <utils/List.h>
@@ -288,6 +298,36 @@
 /*
  * common functions declarations
  */
+struct GrallocV2 {
+    using Format = android::hardware::graphics::common::V1_0::PixelFormat;
+    using Usage = android::hardware::hidl_bitfield<
+            android::hardware::graphics::common::V1_0::BufferUsage>;
+
+    using IAllocator = android::hardware::graphics::allocator::V2_0::IAllocator;
+
+    using IMapper = android::hardware::graphics::mapper::V2_0::IMapper;
+    using Error = android::hardware::graphics::mapper::V2_0::Error;
+    using Descriptor = android::hardware::graphics::mapper::V2_0::BufferDescriptor;
+    using YCbCrLayout = android::hardware::graphics::mapper::V2_0::YCbCrLayout;
+    using DescriptorInfo = IMapper::BufferDescriptorInfo;
+    using Rect = IMapper::Rect;
+};
+
+struct GrallocV3 {
+    using Format = android::hardware::graphics::common::V1_2::PixelFormat;
+    using Usage = android::hardware::hidl_bitfield<
+            android::hardware::graphics::common::V1_2::BufferUsage>;
+
+    using IAllocator = android::hardware::graphics::allocator::V3_0::IAllocator;
+
+    using IMapper = android::hardware::graphics::mapper::V3_0::IMapper;
+    using Error = android::hardware::graphics::mapper::V3_0::Error;
+    using Descriptor = android::hardware::graphics::mapper::V3_0::BufferDescriptor;
+    using YCbCrLayout = android::hardware::graphics::mapper::V3_0::YCbCrLayout;
+    using DescriptorInfo = IMapper::BufferDescriptorInfo;
+    using Rect = IMapper::Rect;
+};
+
 Return<android::hardware::media::omx::V1_0::Status> setRole(
     sp<IOmxNode> omxNode, const char* role);
 
diff --git a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp
index a740a80..2280cee 100644
--- a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp
+++ b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoEncTest.cpp
@@ -63,6 +63,7 @@
 #include <media_video_hidl_test_common.h>
 #include <system/window.h>
 #include <fstream>
+#include <variant>
 
 static ComponentTestEnvironment* gEnv = nullptr;
 
@@ -364,6 +365,61 @@
     return Void();
 };
 
+// Variant of mappers
+struct MapperV2 : public GrallocV2 {
+    sp<IMapper> mMapper;
+    MapperV2(sp<IMapper>&& mapper): mMapper{std::move(mapper)} {}
+    MapperV2() = default;
+    android::hardware::Return<void> lock(
+            void* buffer,
+            Usage usage,
+            const Rect& rect,
+            const android::hardware::hidl_handle& handle,
+            Error* error,
+            void** data) {
+        return mMapper->lock(buffer, usage, rect, handle,
+                             [error, data](Error e, void* d) {
+                                *error = e;
+                                *data = d;
+                             });
+    }
+};
+struct MapperV3 : public GrallocV3 {
+    sp<IMapper> mMapper;
+    MapperV3(sp<IMapper>&& mapper): mMapper{std::move(mapper)} {}
+    MapperV3() = default;
+    android::hardware::Return<void> lock(
+            void* buffer,
+            Usage usage,
+            const Rect& rect,
+            const android::hardware::hidl_handle& handle,
+            Error* error,
+            void** data) {
+        return mMapper->lock(buffer, usage, rect, handle,
+                             [error, data](Error e, void* d, int32_t, int32_t) {
+                                *error = e;
+                                *data = d;
+                             });
+    }
+};
+using MapperVar = std::variant<MapperV2, MapperV3>;
+// Initializes the MapperVar by trying services of different versions.
+bool initialize(MapperVar& mapperVar) {
+    sp<android::hardware::graphics::mapper::V3_0::IMapper> mapper3 =
+        android::hardware::graphics::mapper::V3_0::IMapper::getService();
+    if (mapper3) {
+        mapperVar.emplace<MapperV3>(std::move(mapper3));
+        return true;
+    }
+    sp<android::hardware::graphics::mapper::V2_0::IMapper> mapper2 =
+        android::hardware::graphics::mapper::V2_0::IMapper::getService();
+    if (mapper2) {
+        mapperVar.emplace<MapperV2>(std::move(mapper2));
+        return true;
+    }
+    return false;
+}
+
 // request VOP refresh
 void requestIDR(sp<IOmxNode> omxNode, OMX_U32 portIndex) {
     android::hardware::media::omx::V1_0::Status status;
@@ -574,150 +630,166 @@
 
 int colorFormatConversion(BufferInfo* buffer, void* buff, PixelFormat format,
                           std::ifstream& eleStream) {
-    sp<android::hardware::graphics::mapper::V2_0::IMapper> mapper =
-        android::hardware::graphics::mapper::V2_0::IMapper::getService();
-    EXPECT_NE(mapper.get(), nullptr);
-    if (mapper.get() == nullptr) return 1;
-
-    android::hardware::hidl_handle fence;
-    android::hardware::graphics::mapper::V2_0::IMapper::Rect rect;
-    android::hardware::graphics::mapper::V2_0::YCbCrLayout ycbcrLayout;
-    android::hardware::graphics::mapper::V2_0::Error error;
-    rect.left = 0;
-    rect.top = 0;
-    rect.width = buffer->omxBuffer.attr.anwBuffer.width;
-    rect.height = buffer->omxBuffer.attr.anwBuffer.height;
-
-    if (format == PixelFormat::YV12 || format == PixelFormat::YCRCB_420_SP ||
-        format == PixelFormat::YCBCR_420_888) {
-        mapper->lockYCbCr(
-            buff, buffer->omxBuffer.attr.anwBuffer.usage, rect, fence,
-            [&](android::hardware::graphics::mapper::V2_0::Error _e,
-                android::hardware::graphics::mapper::V2_0::YCbCrLayout _n1) {
-                error = _e;
-                ycbcrLayout = _n1;
-            });
-        EXPECT_EQ(error,
-                  android::hardware::graphics::mapper::V2_0::Error::NONE);
-        if (error != android::hardware::graphics::mapper::V2_0::Error::NONE)
-            return 1;
-
-        int size = ((rect.width * rect.height * 3) >> 1);
-        char* img = new char[size];
-        if (img == nullptr) return 1;
-        eleStream.read(img, size);
-        if (eleStream.gcount() != size) {
-            delete[] img;
-            return 1;
-        }
-
-        char* imgTmp = img;
-        char* ipBuffer = static_cast<char*>(ycbcrLayout.y);
-        for (size_t y = rect.height; y > 0; --y) {
-            memcpy(ipBuffer, imgTmp, rect.width);
-            ipBuffer += ycbcrLayout.yStride;
-            imgTmp += rect.width;
-        }
-
-        if (format == PixelFormat::YV12)
-            EXPECT_EQ(ycbcrLayout.chromaStep, 1U);
-        else if (format == PixelFormat::YCRCB_420_SP)
-            EXPECT_EQ(ycbcrLayout.chromaStep, 2U);
-
-        ipBuffer = static_cast<char*>(ycbcrLayout.cb);
-        for (size_t y = rect.height >> 1; y > 0; --y) {
-            for (int32_t x = 0; x < (rect.width >> 1); ++x) {
-                ipBuffer[ycbcrLayout.chromaStep * x] = *imgTmp++;
-            }
-            ipBuffer += ycbcrLayout.cStride;
-        }
-        ipBuffer = static_cast<char*>(ycbcrLayout.cr);
-        for (size_t y = rect.height >> 1; y > 0; --y) {
-            for (int32_t x = 0; x < (rect.width >> 1); ++x) {
-                ipBuffer[ycbcrLayout.chromaStep * x] = *imgTmp++;
-            }
-            ipBuffer += ycbcrLayout.cStride;
-        }
-
-        delete[] img;
-
-        mapper->unlock(buff,
-                       [&](android::hardware::graphics::mapper::V2_0::Error _e,
-                           android::hardware::hidl_handle _n1) {
-                           error = _e;
-                           fence = _n1;
-                       });
-        EXPECT_EQ(error,
-                  android::hardware::graphics::mapper::V2_0::Error::NONE);
-        if (error != android::hardware::graphics::mapper::V2_0::Error::NONE)
-            return 1;
-    } else {
-        void* data;
-        mapper->lock(buff, buffer->omxBuffer.attr.anwBuffer.usage, rect, fence,
-                     [&](android::hardware::graphics::mapper::V2_0::Error _e,
-                         void* _n1) {
-                         error = _e;
-                         data = _n1;
-                     });
-        EXPECT_EQ(error,
-                  android::hardware::graphics::mapper::V2_0::Error::NONE);
-        if (error != android::hardware::graphics::mapper::V2_0::Error::NONE)
-            return 1;
-
-        if (format == PixelFormat::BGRA_8888) {
-            char* ipBuffer = static_cast<char*>(data);
-            for (size_t y = rect.height; y > 0; --y) {
-                eleStream.read(ipBuffer, rect.width * 4);
-                if (eleStream.gcount() != rect.width * 4) return 1;
-                ipBuffer += buffer->omxBuffer.attr.anwBuffer.stride * 4;
-            }
-        } else {
-            EXPECT_TRUE(false) << "un expected pixel format";
-            return 1;
-        }
-
-        mapper->unlock(buff,
-                       [&](android::hardware::graphics::mapper::V2_0::Error _e,
-                           android::hardware::hidl_handle _n1) {
-                           error = _e;
-                           fence = _n1;
-                       });
-        EXPECT_EQ(error,
-                  android::hardware::graphics::mapper::V2_0::Error::NONE);
-        if (error != android::hardware::graphics::mapper::V2_0::Error::NONE)
-            return 1;
+    MapperVar mapperVar;
+    if (!initialize(mapperVar)) {
+        EXPECT_TRUE(false) << "failed to obtain mapper service";
+        return 1;
     }
 
-    return 0;
+    return std::visit([buffer, buff, format, &eleStream](auto&& mapper) -> int {
+            using Gralloc = std::remove_reference_t<decltype(mapper)>;
+            using Error = typename Gralloc::Error;
+            using Rect = typename Gralloc::Rect;
+            using Usage = typename Gralloc::Usage;
+            using YCbCrLayout = typename Gralloc::YCbCrLayout;
+
+            android::hardware::hidl_handle fence;
+            Rect rect;
+            YCbCrLayout ycbcrLayout;
+            Error error;
+            rect.left = 0;
+            rect.top = 0;
+            rect.width = buffer->omxBuffer.attr.anwBuffer.width;
+            rect.height = buffer->omxBuffer.attr.anwBuffer.height;
+
+            if (format == PixelFormat::YV12 || format == PixelFormat::YCRCB_420_SP ||
+                format == PixelFormat::YCBCR_420_888) {
+                mapper.mMapper->lockYCbCr(
+                        buff,
+                        static_cast<Usage>(
+                            buffer->omxBuffer.attr.anwBuffer.usage),
+                        rect,
+                        fence,
+                        [&](Error _e,
+                            const YCbCrLayout& _n1) {
+                            error = _e;
+                            ycbcrLayout = _n1;
+                        });
+                EXPECT_EQ(error, Error::NONE);
+                if (error != Error::NONE)
+                    return 1;
+
+                int size = ((rect.width * rect.height * 3) >> 1);
+                char* img = new char[size];
+                if (img == nullptr) return 1;
+                eleStream.read(img, size);
+                if (eleStream.gcount() != size) {
+                    delete[] img;
+                    return 1;
+                }
+
+                char* imgTmp = img;
+                char* ipBuffer = static_cast<char*>(ycbcrLayout.y);
+                for (size_t y = rect.height; y > 0; --y) {
+                    memcpy(ipBuffer, imgTmp, rect.width);
+                    ipBuffer += ycbcrLayout.yStride;
+                    imgTmp += rect.width;
+                }
+
+                if (format == PixelFormat::YV12)
+                    EXPECT_EQ(ycbcrLayout.chromaStep, 1U);
+                else if (format == PixelFormat::YCRCB_420_SP)
+                    EXPECT_EQ(ycbcrLayout.chromaStep, 2U);
+
+                ipBuffer = static_cast<char*>(ycbcrLayout.cb);
+                for (size_t y = rect.height >> 1; y > 0; --y) {
+                    for (int32_t x = 0; x < (rect.width >> 1); ++x) {
+                        ipBuffer[ycbcrLayout.chromaStep * x] = *imgTmp++;
+                    }
+                    ipBuffer += ycbcrLayout.cStride;
+                }
+                ipBuffer = static_cast<char*>(ycbcrLayout.cr);
+                for (size_t y = rect.height >> 1; y > 0; --y) {
+                    for (int32_t x = 0; x < (rect.width >> 1); ++x) {
+                        ipBuffer[ycbcrLayout.chromaStep * x] = *imgTmp++;
+                    }
+                    ipBuffer += ycbcrLayout.cStride;
+                }
+
+                delete[] img;
+
+                mapper.mMapper->unlock(buff,
+                               [&](Error _e,
+                                   const android::hardware::hidl_handle& _n1) {
+                                   error = _e;
+                                   fence = _n1;
+                               });
+                EXPECT_EQ(error, Error::NONE);
+                if (error != Error::NONE)
+                    return 1;
+            } else {
+                void* data;
+                mapper.lock(
+                        buff,
+                        buffer->omxBuffer.attr.anwBuffer.usage,
+                        rect,
+                        fence,
+                        &error,
+                        &data);
+                EXPECT_EQ(error, Error::NONE);
+                if (error != Error::NONE)
+                    return 1;
+
+                if (format == PixelFormat::BGRA_8888) {
+                    char* ipBuffer = static_cast<char*>(data);
+                    for (size_t y = rect.height; y > 0; --y) {
+                        eleStream.read(ipBuffer, rect.width * 4);
+                        if (eleStream.gcount() != rect.width * 4) return 1;
+                        ipBuffer += buffer->omxBuffer.attr.anwBuffer.stride * 4;
+                    }
+                } else {
+                    EXPECT_TRUE(false) << "un expected pixel format";
+                    return 1;
+                }
+
+                mapper.mMapper->unlock(
+                        buff,
+                        [&](Error _e, const android::hardware::hidl_handle& _n1) {
+                            error = _e;
+                            fence = _n1;
+                        });
+                EXPECT_EQ(error, Error::NONE);
+                if (error != Error::NONE)
+                    return 1;
+            }
+
+            return 0;
+        }, mapperVar);
 }
 
 int fillGraphicBuffer(BufferInfo* buffer, PixelFormat format,
                       std::ifstream& eleStream) {
-    sp<android::hardware::graphics::mapper::V2_0::IMapper> mapper =
-        android::hardware::graphics::mapper::V2_0::IMapper::getService();
-    EXPECT_NE(mapper.get(), nullptr);
-    if (mapper.get() == nullptr) return 1;
-
-    void* buff = nullptr;
-    android::hardware::graphics::mapper::V2_0::Error error;
-    mapper->importBuffer(
-        buffer->omxBuffer.nativeHandle,
-        [&](android::hardware::graphics::mapper::V2_0::Error _e, void* _n1) {
-            error = _e;
-            buff = _n1;
-        });
-    EXPECT_EQ(error, android::hardware::graphics::mapper::V2_0::Error::NONE);
-    if (error != android::hardware::graphics::mapper::V2_0::Error::NONE)
+    MapperVar mapperVar;
+    if (!initialize(mapperVar)) {
+        EXPECT_TRUE(false) << "failed to obtain mapper service";
         return 1;
+    }
 
-    if (colorFormatConversion(buffer, buff, format, eleStream)) return 1;
+    return std::visit([buffer, format, &eleStream](auto&& mapper) -> int {
+            using Gralloc = std::remove_reference_t<decltype(mapper)>;
+            using Error = typename Gralloc::Error;
 
-    error = mapper->freeBuffer(buff);
-    EXPECT_EQ(error, android::hardware::graphics::mapper::V2_0::Error::NONE);
-    if (error != android::hardware::graphics::mapper::V2_0::Error::NONE)
-        return 1;
+            void* buff = nullptr;
+            Error error;
+            mapper.mMapper->importBuffer(
+                buffer->omxBuffer.nativeHandle,
+                [&](Error _e, void* _n1) {
+                    error = _e;
+                    buff = _n1;
+                });
+            EXPECT_EQ(error, Error::NONE);
+            if (error != Error::NONE)
+                return 1;
 
-    return 0;
+            if (colorFormatConversion(buffer, buff, format, eleStream)) return 1;
+
+            error = mapper.mMapper->freeBuffer(buff);
+            EXPECT_EQ(error, Error::NONE);
+            if (error != Error::NONE)
+                return 1;
+
+            return 0;
+        }, mapperVar);
 }
 
 int dispatchGraphicBuffer(sp<IOmxNode> omxNode,
diff --git a/radio/1.2/vts/functional/radio_hidl_hal_test.cpp b/radio/1.2/vts/functional/radio_hidl_hal_test.cpp
index bff7481..6b84810 100644
--- a/radio/1.2/vts/functional/radio_hidl_hal_test.cpp
+++ b/radio/1.2/vts/functional/radio_hidl_hal_test.cpp
@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-#include <android/hardware/radio/1.1/IRadio.h>
 #include <radio_hidl_hal_utils_v1_2.h>
 
 void RadioHidlTest_v1_2::SetUp() {
@@ -88,25 +87,7 @@
 }
 
 void RadioHidlTest_v1_2::stopNetworkScan() {
-    sp<::android::hardware::radio::V1_1::IRadio> radio_v1_1;
-
-    radio_v1_1 = ::testing::VtsHalHidlTargetTestBase::getService<
-            ::android::hardware::radio::V1_1::IRadio>(
-            RadioHidlEnvironment::Instance()
-                    ->getServiceName<::android::hardware::radio::V1_1::IRadio>(
-                            hidl_string(RADIO_SERVICE_NAME)));
-    if (radio_v1_1 == NULL) {
-        sleep(60);
-        radio_v1_1 = ::testing::VtsHalHidlTargetTestBase::getService<
-                ::android::hardware::radio::V1_1::IRadio>(
-                RadioHidlEnvironment::Instance()
-                        ->getServiceName<::android::hardware::radio::V1_1::IRadio>(
-                                hidl_string(RADIO_SERVICE_NAME)));
-    }
-    ASSERT_NE(nullptr, radio_v1_1.get());
-
     serial = GetRandomSerialNumber();
-
-    radio_v1_1->stopNetworkScan(serial);
+    radio_v1_2->stopNetworkScan(serial);
     EXPECT_EQ(std::cv_status::no_timeout, wait());
 }
diff --git a/radio/1.4/vts/functional/radio_hidl_hal_api.cpp b/radio/1.4/vts/functional/radio_hidl_hal_api.cpp
index 26f2c90..0fcd32d 100644
--- a/radio/1.4/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.4/vts/functional/radio_hidl_hal_api.cpp
@@ -169,6 +169,11 @@
 
 /*
  * Test IRadio.startNetworkScan() for the response returned.
+ *
+ * REQUEST_NOT_SUPPORTED is temporarily returned because of vendors failed to fully implement
+ * startNetworkScan in HAL @1.4 (see b/137298570 and b/135595082). Starting from @1.5, however,
+ * REQUEST_NOT_SUPPORTED will be disallowed for all tests. Modems have "GSM" rat scan need to
+ * support scanning requests combined with some parameters.
  */
 TEST_F(RadioHidlTest_v1_4, startNetworkScan) {
     serial = GetRandomSerialNumber();
diff --git a/sensors/2.0/vts/functional/VtsHalSensorsV2_0TargetTest.cpp b/sensors/2.0/vts/functional/VtsHalSensorsV2_0TargetTest.cpp
index 39053fe..62c5334 100644
--- a/sensors/2.0/vts/functional/VtsHalSensorsV2_0TargetTest.cpp
+++ b/sensors/2.0/vts/functional/VtsHalSensorsV2_0TargetTest.cpp
@@ -683,11 +683,16 @@
             Result flushResult = flush(sensor.sensorHandle);
             ASSERT_EQ(flushResult, expectedResponse);
         }
-        activate(sensor.sensorHandle, false);
     }
 
     // Wait up to one second for the flush events
     callback.waitForFlushEvents(sensors, flushCalls, 1000 /* timeoutMs */);
+
+    // Deactivate all sensors after waiting for flush events so pending flush events are not
+    // abandoned by the HAL.
+    for (const SensorInfo& sensor : sensors) {
+        activate(sensor.sensorHandle, false);
+    }
     getEnvironment()->unregisterCallback();
 
     // Check that the correct number of flushes are present for each sensor
diff --git a/sensors/common/vts/utils/SensorsHidlEnvironmentBase.cpp b/sensors/common/vts/utils/SensorsHidlEnvironmentBase.cpp
index affdf8b..fa0e2e9 100644
--- a/sensors/common/vts/utils/SensorsHidlEnvironmentBase.cpp
+++ b/sensors/common/vts/utils/SensorsHidlEnvironmentBase.cpp
@@ -29,7 +29,9 @@
 
 void SensorsHidlEnvironmentBase::HidlTearDown() {
     mStopThread = true;
-    mPollThread.detach();
+    if (mPollThread.joinable()) {
+        mPollThread.detach();
+    }
 }
 
 void SensorsHidlEnvironmentBase::catEvents(std::vector<Event>* output) {
diff --git a/wifi/hostapd/1.1/vts/functional/hostapd_hidl_test.cpp b/wifi/hostapd/1.1/vts/functional/hostapd_hidl_test.cpp
index 26a58b2..7aaad02 100644
--- a/wifi/hostapd/1.1/vts/functional/hostapd_hidl_test.cpp
+++ b/wifi/hostapd/1.1/vts/functional/hostapd_hidl_test.cpp
@@ -56,6 +56,8 @@
    protected:
     std::string getPrimaryWlanIfaceName() {
         std::array<char, PROPERTY_VALUE_MAX> buffer;
+        auto res = property_get("wifi.sap.interface", buffer.data(), nullptr);
+        if (res > 0) return buffer.data();
         property_get("wifi.interface", buffer.data(), "wlan0");
         return buffer.data();
     }