diff --git a/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp b/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
index 784ae30..a2b43f0 100644
--- a/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
+++ b/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
@@ -3899,6 +3899,33 @@
 }
 
 /*
+ * AttestationTest.EcAttestationByKeySize
+ *
+ * Verifies that attesting to EC keys works and generates the expected output.
+ */
+TEST_F(AttestationTest, EcAttestationByKeySize) {
+    ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+                                             .Authorization(TAG_NO_AUTH_REQUIRED)
+                                             .EcdsaSigningKey(256)
+                                             .Digest(Digest::SHA_2_256)
+                                             .Authorization(TAG_INCLUDE_UNIQUE_ID)));
+
+    hidl_vec<hidl_vec<uint8_t>> cert_chain;
+    ASSERT_EQ(ErrorCode::OK,
+              AttestKey(AuthorizationSetBuilder()
+                            .Authorization(TAG_ATTESTATION_CHALLENGE, HidlBuf("challenge"))
+                            .Authorization(TAG_ATTESTATION_APPLICATION_ID, HidlBuf("foo")),
+                        &cert_chain));
+    EXPECT_GE(cert_chain.size(), 2U);
+    EXPECT_TRUE(verify_chain(cert_chain));
+
+    EXPECT_TRUE(verify_attestation_record("challenge", "foo",                     //
+                                          key_characteristics_.softwareEnforced,  //
+                                          key_characteristics_.hardwareEnforced,  //
+                                          SecLevel(), cert_chain[0]));
+}
+
+/*
  * AttestationTest.EcAttestationRequiresAttestationAppId
  *
  * Verifies that attesting to EC keys requires app ID
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 34a96a0..29be2a0 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
@@ -387,17 +387,28 @@
                                   OMX_StateIdle);
     ASSERT_EQ(status, android::hardware::media::omx::V1_0::Status::OK);
 
+    OMX_PARAM_PORTDEFINITIONTYPE portDefInput;
+    OMX_PARAM_PORTDEFINITIONTYPE portDefOutput;
+    status = getPortParam(omxNode, OMX_IndexParamPortDefinition, kPortIndexInput, &portDefInput);
+    EXPECT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
+    status = getPortParam(omxNode, OMX_IndexParamPortDefinition, kPortIndexOutput, &portDefOutput);
+    EXPECT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
+
     // Dont switch states until the ports are populated
-    status = observer->dequeueMessage(&msg, DEFAULT_TIMEOUT, iBuffer, oBuffer);
-    ASSERT_EQ(status, android::hardware::media::omx::V1_0::Status::TIMED_OUT);
+    if (portDefInput.nBufferCountActual || portDefOutput.nBufferCountActual) {
+        status = observer->dequeueMessage(&msg, DEFAULT_TIMEOUT, iBuffer, oBuffer);
+        ASSERT_EQ(status, android::hardware::media::omx::V1_0::Status::TIMED_OUT);
+    }
 
     // allocate buffers on input port
     ASSERT_NO_FATAL_FAILURE(allocatePortBuffers(
         omxNode, iBuffer, kPortIndexInput, pm[0], allocGrap));
 
     // Dont switch states until the ports are populated
-    status = observer->dequeueMessage(&msg, DEFAULT_TIMEOUT, iBuffer, oBuffer);
-    ASSERT_EQ(status, android::hardware::media::omx::V1_0::Status::TIMED_OUT);
+    if (portDefOutput.nBufferCountActual) {
+        status = observer->dequeueMessage(&msg, DEFAULT_TIMEOUT, iBuffer, oBuffer);
+        ASSERT_EQ(status, android::hardware::media::omx::V1_0::Status::TIMED_OUT);
+    }
 
     // allocate buffers on output port
     ASSERT_NO_FATAL_FAILURE(allocatePortBuffers(
@@ -430,9 +441,18 @@
                                   OMX_StateLoaded);
     ASSERT_EQ(status, android::hardware::media::omx::V1_0::Status::OK);
 
+    OMX_PARAM_PORTDEFINITIONTYPE portDefInput;
+    OMX_PARAM_PORTDEFINITIONTYPE portDefOutput;
+    status = getPortParam(omxNode, OMX_IndexParamPortDefinition, kPortIndexInput, &portDefInput);
+    EXPECT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
+    status = getPortParam(omxNode, OMX_IndexParamPortDefinition, kPortIndexOutput, &portDefOutput);
+    EXPECT_EQ(status, ::android::hardware::media::omx::V1_0::Status::OK);
+
     // dont change state until all buffers are freed
-    status = observer->dequeueMessage(&msg, DEFAULT_TIMEOUT, iBuffer, oBuffer);
-    ASSERT_EQ(status, android::hardware::media::omx::V1_0::Status::TIMED_OUT);
+    if (portDefInput.nBufferCountActual || portDefOutput.nBufferCountActual) {
+        status = observer->dequeueMessage(&msg, DEFAULT_TIMEOUT, iBuffer, oBuffer);
+        ASSERT_EQ(status, android::hardware::media::omx::V1_0::Status::TIMED_OUT);
+    }
 
     for (size_t i = 0; i < iBuffer->size(); ++i) {
         status = omxNode->freeBuffer(kPortIndexInput, (*iBuffer)[i].id);
@@ -440,8 +460,10 @@
     }
 
     // dont change state until all buffers are freed
-    status = observer->dequeueMessage(&msg, DEFAULT_TIMEOUT, iBuffer, oBuffer);
-    ASSERT_EQ(status, android::hardware::media::omx::V1_0::Status::TIMED_OUT);
+    if (portDefOutput.nBufferCountActual) {
+        status = observer->dequeueMessage(&msg, DEFAULT_TIMEOUT, iBuffer, oBuffer);
+        ASSERT_EQ(status, android::hardware::media::omx::V1_0::Status::TIMED_OUT);
+    }
 
     for (size_t i = 0; i < oBuffer->size(); ++i) {
         status = omxNode->freeBuffer(kPortIndexOutput, (*oBuffer)[i].id);
diff --git a/media/omx/1.0/vts/functional/component/VtsHalMediaOmxV1_0TargetComponentTest.cpp b/media/omx/1.0/vts/functional/component/VtsHalMediaOmxV1_0TargetComponentTest.cpp
index 7750a12..2223583 100644
--- a/media/omx/1.0/vts/functional/component/VtsHalMediaOmxV1_0TargetComponentTest.cpp
+++ b/media/omx/1.0/vts/functional/component/VtsHalMediaOmxV1_0TargetComponentTest.cpp
@@ -115,6 +115,7 @@
         }
         if (compClass == unknown_class) disableTest = true;
         isSecure = false;
+        mTunnel = false;
         size_t suffixLen = strlen(".secure");
         if (strlen(gEnv->getComponent().c_str()) >= suffixLen) {
             isSecure =
@@ -122,6 +123,18 @@
                             strlen(gEnv->getComponent().c_str()) - suffixLen,
                         ".secure");
         }
+        if (compClass == video_decoder) {
+            omxNode->configureVideoTunnelMode(
+                1, OMX_TRUE, 0,
+                [&](android::hardware::media::omx::V1_0::Status _s,
+                    const ::android::hardware::hidl_handle& sidebandHandle) {
+                    (void)sidebandHandle;
+                    if (_s == android::hardware::media::omx::V1_0::Status::OK)
+                        this->mTunnel = true;
+                });
+        }
+        // NOTES: secure components are not covered in these tests.
+        // we are disabling tests for them
         if (disableTest) std::cout << "[   WARN   ] Test Disabled \n";
     }
 
@@ -149,6 +162,7 @@
     sp<CodecObserver> observer;
     sp<IOmxNode> omxNode;
     standardCompClass compClass;
+    bool mTunnel;
     bool isSecure;
     bool disableTest;
 
@@ -991,7 +1005,8 @@
     ASSERT_NO_FATAL_FAILURE(
         changeStateLoadedtoIdle(omxNode, observer, &pBuffer[0], &pBuffer[1],
                                 kPortIndexInput, kPortIndexOutput, portMode));
-    for (size_t i = portBase; i < portBase + 2; i++) {
+    int range = mTunnel ? 1 : 2;
+    for (size_t i = portBase; i < portBase + range; i++) {
         status =
             omxNode->sendCommand(toRawCommandType(OMX_CommandPortDisable), i);
         ASSERT_EQ(status, android::hardware::media::omx::V1_0::Status::OK);
@@ -1104,7 +1119,8 @@
             dispatchOutputBuffer(omxNode, &pBuffer[1], i, portMode[1]));
     }
 
-    for (size_t i = portBase; i < portBase + 2; i++) {
+    int range = mTunnel ? 1 : 2;
+    for (size_t i = portBase; i < portBase + range; i++) {
         status =
             omxNode->sendCommand(toRawCommandType(OMX_CommandPortDisable), i);
         ASSERT_EQ(status, android::hardware::media::omx::V1_0::Status::OK);
diff --git a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
index 1db9f75..df048c6 100644
--- a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
+++ b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
@@ -153,7 +153,17 @@
                         ".secure");
         }
         if (isSecure) disableTest = true;
+        omxNode->configureVideoTunnelMode(
+            1, OMX_TRUE, 0,
+            [&](android::hardware::media::omx::V1_0::Status _s,
+                const ::android::hardware::hidl_handle& sidebandHandle) {
+                (void)sidebandHandle;
+                if (_s == android::hardware::media::omx::V1_0::Status::OK)
+                    this->disableTest = true;
+            });
         if (disableTest) std::cout << "[   WARN   ] Test Disabled \n";
+        // NOTES: secure and tunneled components are not covered in these tests.
+        // we are disabling tests for them
     }
 
     virtual void TearDown() override {