diff --git a/graphics/mapper/4.0/utils/vts/MapperVts.cpp b/graphics/mapper/4.0/utils/vts/MapperVts.cpp
index 9f907e6..5b2a94e 100644
--- a/graphics/mapper/4.0/utils/vts/MapperVts.cpp
+++ b/graphics/mapper/4.0/utils/vts/MapperVts.cpp
@@ -71,7 +71,8 @@
     return mAllocator;
 }
 
-const native_handle_t* Gralloc::cloneBuffer(const hidl_handle& rawHandle) {
+const native_handle_t* Gralloc::cloneBuffer(const hidl_handle& rawHandle,
+                                            enum Tolerance /*tolerance*/) {
     const native_handle_t* bufferHandle = native_handle_clone(rawHandle.getNativeHandle());
     EXPECT_NE(nullptr, bufferHandle);
 
@@ -84,42 +85,37 @@
 
 std::vector<const native_handle_t*> Gralloc::allocate(const BufferDescriptor& descriptor,
                                                       uint32_t count, bool import,
-                                                      bool allowFailure, uint32_t* outStride) {
+                                                      enum Tolerance tolerance,
+                                                      uint32_t* outStride) {
     std::vector<const native_handle_t*> bufferHandles;
     bufferHandles.reserve(count);
-    mAllocator->allocate(
-            descriptor, count,
-            [&](const auto& tmpError, const auto& tmpStride, const auto& tmpBuffers) {
-                if (allowFailure && tmpError == Error::UNSUPPORTED) {
-                    return;
-                }
-                ASSERT_EQ(Error::NONE, tmpError) << "failed to allocate buffers";
-                ASSERT_EQ(count, tmpBuffers.size()) << "invalid buffer array";
+    mAllocator->allocate(descriptor, count,
+                         [&](const auto& tmpError, const auto& tmpStride, const auto& tmpBuffers) {
+                             if (canTolerate(tolerance, tmpError)) {
+                                 return;
+                             }
 
-                for (uint32_t i = 0; i < count; i++) {
-                    const native_handle_t* bufferHandle = nullptr;
-                    if (import) {
-                        if (allowFailure) {
-                            bufferHandle = importBuffer(tmpBuffers[i]);
-                        } else {
-                            ASSERT_NO_FATAL_FAILURE(bufferHandle = importBuffer(tmpBuffers[i]));
-                        }
-                    } else {
-                        if (allowFailure) {
-                            bufferHandle = cloneBuffer(tmpBuffers[i]);
-                        } else {
-                            ASSERT_NO_FATAL_FAILURE(bufferHandle = cloneBuffer(tmpBuffers[i]));
-                        }
-                    }
-                    if (bufferHandle) {
-                        bufferHandles.push_back(bufferHandle);
-                    }
-                }
+                             ASSERT_EQ(Error::NONE, tmpError) << "failed to allocate buffers";
+                             ASSERT_EQ(count, tmpBuffers.size()) << "invalid buffer array";
 
-                if (outStride) {
-                    *outStride = tmpStride;
-                }
-            });
+                             for (uint32_t i = 0; i < count; i++) {
+                                 const native_handle_t* bufferHandle = nullptr;
+                                 if (import) {
+                                     ASSERT_NO_FATAL_FAILURE(
+                                             bufferHandle = importBuffer(tmpBuffers[i], tolerance));
+                                 } else {
+                                     ASSERT_NO_FATAL_FAILURE(
+                                             bufferHandle = cloneBuffer(tmpBuffers[i], tolerance));
+                                 }
+                                 if (bufferHandle) {
+                                     bufferHandles.push_back(bufferHandle);
+                                 }
+                             }
+
+                             if (outStride) {
+                                 *outStride = tmpStride;
+                             }
+                         });
 
     if (::testing::Test::HasFatalFailure()) {
         bufferHandles.clear();
@@ -129,13 +125,14 @@
 }
 
 const native_handle_t* Gralloc::allocate(const IMapper::BufferDescriptorInfo& descriptorInfo,
-                                         bool import, bool allowFailure, uint32_t* outStride) {
+                                         bool import, enum Tolerance tolerance,
+                                         uint32_t* outStride) {
     BufferDescriptor descriptor = createDescriptor(descriptorInfo);
     if (::testing::Test::HasFatalFailure()) {
         return nullptr;
     }
 
-    auto buffers = allocate(descriptor, 1, import, allowFailure, outStride);
+    auto buffers = allocate(descriptor, 1, import, tolerance, outStride);
     if (::testing::Test::HasFatalFailure()) {
         return nullptr;
     }
@@ -160,11 +157,14 @@
     return descriptor;
 }
 
-const native_handle_t* Gralloc::importBuffer(const hidl_handle& rawHandle) {
+const native_handle_t* Gralloc::importBuffer(const hidl_handle& rawHandle,
+                                             enum Tolerance tolerance) {
     const native_handle_t* bufferHandle = nullptr;
     mMapper->importBuffer(rawHandle, [&](const auto& tmpError, const auto& tmpBuffer) {
-        ASSERT_EQ(Error::NONE, tmpError)
-                << "failed to import buffer %p" << rawHandle.getNativeHandle();
+        if (!canTolerate(tolerance, tmpError)) {
+            ASSERT_EQ(Error::NONE, tmpError)
+                    << "failed to import buffer %p" << rawHandle.getNativeHandle();
+        }
         bufferHandle = static_cast<const native_handle_t*>(tmpBuffer);
     });
 
diff --git a/graphics/mapper/4.0/utils/vts/include/mapper-vts/4.0/MapperVts.h b/graphics/mapper/4.0/utils/vts/include/mapper-vts/4.0/MapperVts.h
index cd40aa4..22a935f 100644
--- a/graphics/mapper/4.0/utils/vts/include/mapper-vts/4.0/MapperVts.h
+++ b/graphics/mapper/4.0/utils/vts/include/mapper-vts/4.0/MapperVts.h
@@ -37,6 +37,16 @@
 // A wrapper to IAllocator and IMapper.
 class Gralloc {
   public:
+    enum class Tolerance : uint32_t {
+        kToleranceStrict = 0x0U,
+        kToleranceBadDescriptor = 0x1U << std::underlying_type_t<Error>(Error::BAD_DESCRIPTOR),
+        kToleranceBadBuffer = 0x1U << std::underlying_type_t<Error>(Error::BAD_BUFFER),
+        kToleranceBadValue = 0x1U << std::underlying_type_t<Error>(Error::BAD_VALUE),
+        kToleranceNoResource = 0x1U << std::underlying_type_t<Error>(Error::NO_RESOURCES),
+        kToleranceUnSupported = 0x1U << std::underlying_type_t<Error>(Error::UNSUPPORTED),
+        kToleranceAllErrors = ~0x0U,
+    };
+
     Gralloc(const std::string& allocatorServiceName = "default",
             const std::string& mapperServiceName = "default", bool errOnFailure = true);
     ~Gralloc();
@@ -49,12 +59,27 @@
     // is true, the returned buffers are also imported into the mapper.
     //
     // Either case, the returned buffers must be freed with freeBuffer.
-    std::vector<const native_handle_t*> allocate(const BufferDescriptor& descriptor, uint32_t count,
-                                                 bool import = true, bool allowFailure = false,
-                                                 uint32_t* outStride = nullptr);
+    std::vector<const native_handle_t*> allocate(
+            const BufferDescriptor& descriptor, uint32_t count, bool import = true,
+            enum Tolerance tolerance = Tolerance::kToleranceStrict, uint32_t* outStride = nullptr);
+
     const native_handle_t* allocate(const IMapper::BufferDescriptorInfo& descriptorInfo,
-                                    bool import = true, bool allowFailure = false,
-                                    uint32_t* outStride = nullptr);
+                                    bool import, enum Tolerance tolerance, uint32_t* outStride);
+
+    const native_handle_t* allocate(const IMapper::BufferDescriptorInfo& descriptorInfo,
+                                    bool import) {
+        return allocate(descriptorInfo, import, Tolerance::kToleranceStrict);
+    }
+
+    const native_handle_t* allocate(const IMapper::BufferDescriptorInfo& descriptorInfo,
+                                    bool import, enum Tolerance tolerance) {
+        return allocate(descriptorInfo, import, tolerance, nullptr);
+    }
+
+    const native_handle_t* allocate(const IMapper::BufferDescriptorInfo& descriptorInfo,
+                                    bool import, uint32_t* outStride) {
+        return allocate(descriptorInfo, import, Tolerance::kToleranceStrict, outStride);
+    }
 
     // IMapper methods
 
@@ -62,7 +87,11 @@
 
     BufferDescriptor createDescriptor(const IMapper::BufferDescriptorInfo& descriptorInfo);
 
-    const native_handle_t* importBuffer(const hidl_handle& rawHandle);
+    const native_handle_t* importBuffer(const hidl_handle& rawHandle, enum Tolerance tolerance);
+    const native_handle_t* importBuffer(const hidl_handle& rawHandle) {
+        return importBuffer(rawHandle, Tolerance::kToleranceStrict);
+    }
+
     void freeBuffer(const native_handle_t* bufferHandle);
 
     // We use fd instead of hidl_handle in these functions to pass fences
@@ -96,11 +125,19 @@
                             uint64_t* outReservedSize);
 
   private:
+    bool canTolerate(Tolerance tolerance, Error error) {
+        return (std::underlying_type_t<Tolerance>(tolerance) &
+                0x1U << std::underlying_type_t<Error>(error)) != 0;
+    }
+
     void init(const std::string& allocatorServiceName, const std::string& mapperServiceName);
 
     // initialize without checking for failure to get service
     void initNoErr(const std::string& allocatorServiceName, const std::string& mapperServiceName);
-    const native_handle_t* cloneBuffer(const hidl_handle& rawHandle);
+    const native_handle_t* cloneBuffer(const hidl_handle& rawHandle, enum Tolerance tolerance);
+    const native_handle_t* cloneBuffer(const hidl_handle& rawHandle) {
+        return cloneBuffer(rawHandle, Tolerance::kToleranceStrict);
+    }
 
     sp<IAllocator> mAllocator;
     sp<IMapper> mMapper;
diff --git a/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp b/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp
index 5ab647f..f5c4cb9 100644
--- a/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp
+++ b/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp
@@ -42,6 +42,7 @@
 
 using android::hardware::graphics::common::V1_2::BufferUsage;
 using android::hardware::graphics::common::V1_2::PixelFormat;
+using Tolerance = ::android::hardware::graphics::mapper::V4_0::vts::Gralloc::Tolerance;
 using MetadataType = android::hardware::graphics::mapper::V4_0::IMapper::MetadataType;
 using aidl::android::hardware::graphics::common::BlendMode;
 using aidl::android::hardware::graphics::common::Cta861_3;
@@ -331,8 +332,9 @@
     for (uint32_t count = 0; count < 5; count++) {
         std::vector<const native_handle_t*> bufferHandles;
         uint32_t stride;
-        ASSERT_NO_FATAL_FAILURE(
-                bufferHandles = mGralloc->allocate(descriptor, count, false, false, &stride));
+        ASSERT_NO_FATAL_FAILURE(bufferHandles =
+                                        mGralloc->allocate(descriptor, count, false,
+                                                           Tolerance::kToleranceStrict, &stride));
 
         if (count >= 1) {
             EXPECT_LE(mDummyDescriptorInfo.width, stride) << "invalid buffer stride";
@@ -532,7 +534,8 @@
 
     const native_handle_t* bufferHandle;
     uint32_t stride;
-    ASSERT_NO_FATAL_FAILURE(bufferHandle = mGralloc->allocate(info, true, false, &stride));
+    ASSERT_NO_FATAL_FAILURE(
+            bufferHandle = mGralloc->allocate(info, true, Tolerance::kToleranceStrict, &stride));
 
     // lock buffer for writing
     const IMapper::Rect region{0, 0, static_cast<int32_t>(info.width),
@@ -566,7 +569,12 @@
 
     const native_handle_t* bufferHandle;
     uint32_t stride;
-    ASSERT_NO_FATAL_FAILURE(bufferHandle = mGralloc->allocate(info, true, false, &stride));
+    ASSERT_NO_FATAL_FAILURE(bufferHandle = mGralloc->allocate(
+                                    info, true, Tolerance::kToleranceUnSupported, &stride));
+    if (bufferHandle == nullptr) {
+        GTEST_SUCCEED() << "YCRCB_420_SP format is unsupported";
+        return;
+    }
 
     // lock buffer for writing
     const IMapper::Rect region{0, 0, static_cast<int32_t>(info.width),
@@ -741,8 +749,8 @@
 
     const native_handle_t* rawHandle;
     uint32_t stride;
-    ASSERT_NO_FATAL_FAILURE(
-            rawHandle = mGralloc->allocate(mDummyDescriptorInfo, false, false, &stride));
+    ASSERT_NO_FATAL_FAILURE(rawHandle = mGralloc->allocate(mDummyDescriptorInfo, false,
+                                                           Tolerance::kToleranceStrict, &stride));
 
     const native_handle_t* writeBufferHandle;
     const native_handle_t* readBufferHandle;
@@ -964,7 +972,7 @@
     info.usage = BufferUsage::PROTECTED | BufferUsage::COMPOSER_OVERLAY;
 
     const native_handle_t* bufferHandle = nullptr;
-    bufferHandle = mGralloc->allocate(info, true, true);
+    bufferHandle = mGralloc->allocate(info, true, Tolerance::kToleranceAllErrors);
     if (!bufferHandle) {
         GTEST_SUCCEED() << "unable to allocate protected content";
         return;
@@ -1267,7 +1275,7 @@
     auto info = mDummyDescriptorInfo;
     info.usage = BufferUsage::PROTECTED | BufferUsage::COMPOSER_OVERLAY;
 
-    bufferHandle = mGralloc->allocate(info, true, true);
+    bufferHandle = mGralloc->allocate(info, true, Tolerance::kToleranceAllErrors);
     if (!bufferHandle) {
         GTEST_SUCCEED() << "unable to allocate protected content";
         return;