diff --git a/compatibility_matrices/compatibility_matrix.4.xml b/compatibility_matrices/compatibility_matrix.4.xml
index a4e77cc..a34f746 100644
--- a/compatibility_matrices/compatibility_matrix.4.xml
+++ b/compatibility_matrices/compatibility_matrix.4.xml
@@ -207,7 +207,7 @@
     </hal>
     <hal format="hidl" optional="false">
         <name>android.hardware.graphics.mapper</name>
-        <version>2.0-1</version>
+        <version>2.1</version>
         <version>3.0</version>
         <interface>
             <name>IMapper</name>
diff --git a/vibrator/1.0/vts/functional/VtsHalVibratorV1_0TargetTest.cpp b/vibrator/1.0/vts/functional/VtsHalVibratorV1_0TargetTest.cpp
index a0e927b..6f8aa02 100644
--- a/vibrator/1.0/vts/functional/VtsHalVibratorV1_0TargetTest.cpp
+++ b/vibrator/1.0/vts/functional/VtsHalVibratorV1_0TargetTest.cpp
@@ -24,13 +24,16 @@
 #include <VtsHalHidlTargetTestBase.h>
 #include <VtsHalHidlTargetTestEnvBase.h>
 
+using ::android::sp;
+using ::android::hardware::hidl_enum_range;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
 using ::android::hardware::vibrator::V1_0::Effect;
 using ::android::hardware::vibrator::V1_0::EffectStrength;
 using ::android::hardware::vibrator::V1_0::IVibrator;
 using ::android::hardware::vibrator::V1_0::Status;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
-using ::android::sp;
+
+#define EXPECT_OK(ret) EXPECT_TRUE((ret).isOk())
 
 // Test environment for Vibrator HIDL HAL.
 class VibratorHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
@@ -70,6 +73,12 @@
   }
 }
 
+static void validatePerformEffectBadInput(Status status, uint32_t lengthMs) {
+    ASSERT_EQ(Status::UNSUPPORTED_OPERATION, status);
+    ASSERT_EQ(static_cast<uint32_t>(0), lengthMs)
+            << "Effects that return UNSUPPORTED_OPERATION must have a duration of zero";
+}
+
 TEST_F(VibratorHidlTest, OnThenOffBeforeTimeout) {
   EXPECT_EQ(Status::OK, vibrator->on(2000));
   sleep(1);
@@ -81,6 +90,42 @@
   vibrator->perform(Effect::DOUBLE_CLICK, EffectStrength::LIGHT, validatePerformEffect);
 }
 
+/*
+ * Test to make sure effect values above the valid range are rejected.
+ */
+TEST_F(VibratorHidlTest, PerformEffect_BadEffects_AboveValidRange) {
+    Effect effect = *std::prev(hidl_enum_range<Effect>().end());
+    Effect badEffect = static_cast<Effect>(static_cast<int32_t>(effect) + 1);
+    EXPECT_OK(vibrator->perform(badEffect, EffectStrength::LIGHT, validatePerformEffectBadInput));
+}
+
+/*
+ * Test to make sure effect values below the valid range are rejected.
+ */
+TEST_F(VibratorHidlTest, PerformEffect_BadEffects_BelowValidRange) {
+    Effect effect = *hidl_enum_range<Effect>().begin();
+    Effect badEffect = static_cast<Effect>(static_cast<int32_t>(effect) - 1);
+    EXPECT_OK(vibrator->perform(badEffect, EffectStrength::LIGHT, validatePerformEffectBadInput));
+}
+
+/*
+ * Test to make sure strength values above the valid range are rejected.
+ */
+TEST_F(VibratorHidlTest, PerformEffect_BadStrength_AboveValidRange) {
+    EffectStrength strength = *std::prev(hidl_enum_range<EffectStrength>().end());
+    EffectStrength badStrength = static_cast<EffectStrength>(static_cast<int32_t>(strength) + 1);
+    EXPECT_OK(vibrator->perform(Effect::CLICK, badStrength, validatePerformEffectBadInput));
+}
+
+/*
+ * Test to make sure strength values below the valid range are rejected.
+ */
+TEST_F(VibratorHidlTest, PerformEffect_BadStrength_BelowValidRange) {
+    EffectStrength strength = *hidl_enum_range<EffectStrength>().begin();
+    EffectStrength badStrength = static_cast<EffectStrength>(static_cast<int32_t>(strength) - 1);
+    EXPECT_OK(vibrator->perform(Effect::CLICK, badStrength, validatePerformEffectBadInput));
+}
+
 TEST_F(VibratorHidlTest, ChangeVibrationalAmplitude) {
   if (vibrator->supportsAmplitudeControl()) {
     EXPECT_EQ(Status::OK, vibrator->setAmplitude(1));
diff --git a/vibrator/1.1/vts/functional/VtsHalVibratorV1_1TargetTest.cpp b/vibrator/1.1/vts/functional/VtsHalVibratorV1_1TargetTest.cpp
index 1a47fe9..3c3ebf2 100644
--- a/vibrator/1.1/vts/functional/VtsHalVibratorV1_1TargetTest.cpp
+++ b/vibrator/1.1/vts/functional/VtsHalVibratorV1_1TargetTest.cpp
@@ -23,14 +23,16 @@
 #include <android/hardware/vibrator/1.1/types.h>
 #include <unistd.h>
 
-using ::android::hardware::vibrator::V1_0::Effect;
+using ::android::sp;
+using ::android::hardware::hidl_enum_range;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
 using ::android::hardware::vibrator::V1_0::EffectStrength;
 using ::android::hardware::vibrator::V1_0::Status;
 using ::android::hardware::vibrator::V1_1::Effect_1_1;
 using ::android::hardware::vibrator::V1_1::IVibrator;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
-using ::android::sp;
+
+#define EXPECT_OK(ret) EXPECT_TRUE((ret).isOk())
 
 // Test environment for Vibrator HIDL HAL.
 class VibratorHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
@@ -72,11 +74,55 @@
     }
 }
 
+static void validatePerformEffectBadInput(Status status, uint32_t lengthMs) {
+    ASSERT_EQ(Status::UNSUPPORTED_OPERATION, status);
+    ASSERT_EQ(static_cast<uint32_t>(0), lengthMs)
+            << "Effects that return UNSUPPORTED_OPERATION must have a duration of zero";
+}
+
 TEST_F(VibratorHidlTest_1_1, PerformEffect_1_1) {
     vibrator->perform_1_1(Effect_1_1::CLICK, EffectStrength::MEDIUM, validatePerformEffect);
     vibrator->perform_1_1(Effect_1_1::TICK, EffectStrength::STRONG, validatePerformEffect);
 }
 
+/*
+ * Test to make sure effect values above the valid range are rejected.
+ */
+TEST_F(VibratorHidlTest_1_1, PerformEffect_1_1_BadEffects_AboveValidRange) {
+    Effect_1_1 effect = *std::prev(hidl_enum_range<Effect_1_1>().end());
+    Effect_1_1 badEffect = static_cast<Effect_1_1>(static_cast<int32_t>(effect) + 1);
+    EXPECT_OK(
+            vibrator->perform_1_1(badEffect, EffectStrength::LIGHT, validatePerformEffectBadInput));
+}
+
+/*
+ * Test to make sure effect values below the valid range are rejected.
+ */
+TEST_F(VibratorHidlTest_1_1, PerformEffect_1_1_BadEffects_BelowValidRange) {
+    Effect_1_1 effect = *hidl_enum_range<Effect_1_1>().begin();
+    Effect_1_1 badEffect = static_cast<Effect_1_1>(static_cast<int32_t>(effect) - 1);
+    EXPECT_OK(
+            vibrator->perform_1_1(badEffect, EffectStrength::LIGHT, validatePerformEffectBadInput));
+}
+
+/*
+ * Test to make sure strength values above the valid range are rejected.
+ */
+TEST_F(VibratorHidlTest_1_1, PerformEffect_1_1_BadStrength_AboveValidRange) {
+    EffectStrength strength = *std::prev(hidl_enum_range<EffectStrength>().end());
+    EffectStrength badStrength = static_cast<EffectStrength>(static_cast<int32_t>(strength) + 1);
+    EXPECT_OK(vibrator->perform_1_1(Effect_1_1::CLICK, badStrength, validatePerformEffectBadInput));
+}
+
+/*
+ * Test to make sure strength values below the valid range are rejected.
+ */
+TEST_F(VibratorHidlTest_1_1, PerformEffect_1_1_BadStrength_BelowValidRange) {
+    EffectStrength strength = *hidl_enum_range<EffectStrength>().begin();
+    EffectStrength badStrength = static_cast<EffectStrength>(static_cast<int32_t>(strength) - 1);
+    EXPECT_OK(vibrator->perform_1_1(Effect_1_1::CLICK, badStrength, validatePerformEffectBadInput));
+}
+
 int main(int argc, char** argv) {
     ::testing::AddGlobalTestEnvironment(VibratorHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
diff --git a/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test.cpp b/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test.cpp
index fa780f9..6dc9eb4 100644
--- a/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test.cpp
+++ b/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test.cpp
@@ -41,6 +41,7 @@
 class HostapdHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
+        stopSupplicantIfNeeded();
         startHostapdAndWaitForHidlService();
         hostapd_ = getHostapd();
         ASSERT_NE(hostapd_.get(), nullptr);
diff --git a/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.cpp b/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.cpp
index 22dbb52..1c499e7 100644
--- a/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.cpp
+++ b/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.cpp
@@ -23,24 +23,26 @@
 
 #include <wifi_system/hostapd_manager.h>
 #include <wifi_system/interface_tool.h>
+#include <wifi_system/supplicant_manager.h>
 
 #include "hostapd_hidl_test_utils.h"
 #include "wifi_hidl_test_utils.h"
 
 using ::android::sp;
 using ::android::hardware::configureRpcThreadpool;
-using ::android::hardware::joinRpcThreadpool;
 using ::android::hardware::hidl_string;
 using ::android::hardware::hidl_vec;
+using ::android::hardware::joinRpcThreadpool;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using ::android::hardware::wifi::V1_0::ChipModeId;
-using ::android::hardware::wifi::V1_0::IWifiChip;
-using ::android::hardware::wifi::hostapd::V1_0::IHostapd;
 using ::android::hardware::wifi::hostapd::V1_0::HostapdStatus;
 using ::android::hardware::wifi::hostapd::V1_0::HostapdStatusCode;
+using ::android::hardware::wifi::hostapd::V1_0::IHostapd;
+using ::android::hardware::wifi::V1_0::ChipModeId;
+using ::android::hardware::wifi::V1_0::IWifiChip;
 using ::android::hidl::manager::V1_0::IServiceNotification;
 using ::android::wifi_system::HostapdManager;
+using ::android::wifi_system::SupplicantManager;
 
 extern WifiHostapdHidlEnvironment* gEnv;
 
@@ -108,6 +110,16 @@
     std::condition_variable condition_;
 };
 
+void stopSupplicantIfNeeded() {
+    SupplicantManager supplicant_manager;
+    if (supplicant_manager.IsSupplicantRunning()) {
+        LOG(INFO) << "Supplicant is running, stop supplicant first.";
+        ASSERT_TRUE(supplicant_manager.StopSupplicant());
+        deInitilializeDriverAndFirmware();
+        ASSERT_FALSE(supplicant_manager.IsSupplicantRunning());
+    }
+}
+
 void stopHostapd() {
     HostapdManager hostapd_manager;
 
diff --git a/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.h b/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.h
index 8e2f1a3..9b3df42 100644
--- a/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.h
+++ b/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test_utils.h
@@ -25,6 +25,7 @@
 // Used to stop the android wifi framework before every test.
 void stopWifiFramework();
 void startWifiFramework();
+void stopSupplicantIfNeeded();
 void stopHostapd();
 // Used to configure the chip, driver and start wpa_hostapd before every
 // test.
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 439a624..26a58b2 100644
--- a/wifi/hostapd/1.1/vts/functional/hostapd_hidl_test.cpp
+++ b/wifi/hostapd/1.1/vts/functional/hostapd_hidl_test.cpp
@@ -45,6 +45,7 @@
 class HostapdHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    public:
     virtual void SetUp() override {
+        stopSupplicantIfNeeded();
         startHostapdAndWaitForHidlService();
         hostapd_ = getHostapd_1_1();
         ASSERT_NE(hostapd_.get(), nullptr);