Set NoGfxMemory in Gmm Constructor

Change-Id: Iee36e6de82db12c84970e68e1c940b67ec957eab

Author: JakubKowalczuk94

runtime/gmm_helper/gmm.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2018-2019 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -37,6 +37,8 @@ Gmm::Gmm(const void *alignedPtr, size_t alignedSize, bool uncacheable, bool pref
         resourceParams.Flags.Info.ExistingSysMem = 1;
         resourceParams.pExistingSysMem = reinterpret_cast<GMM_VOIDPTR64>(alignedPtr);
         resourceParams.ExistingSysMemSize = alignedSize;
+    } else {
+        resourceParams.NoGfxMemory = 1u;
     }
 
     if (resourceParams.BaseWidth >= GmmHelper::maxPossiblePitch) {

unit_tests/gmm_helper/gmm_helper_tests.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2017-2018 Intel Corporation
+ * Copyright (C) 2017-2019 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -177,6 +177,20 @@ TEST_F(GmmTests, validImageTypeQuery) {
     EXPECT_EQ(queryGmm->resourceParams.Flags.Wa.__ForceOtherHVALIGN4, 1u);
 }
 
+TEST_F(GmmTests, givenNullptrWhenGmmConstructorIsCalledThenNoGfxMemoryIsProperlySet) {
+    void *pSysMem = nullptr;
+    std::unique_ptr<Gmm> gmm(new Gmm(pSysMem, 4096, false));
+
+    EXPECT_EQ(gmm->resourceParams.NoGfxMemory, 1u);
+}
+
+TEST_F(GmmTests, givenPtrWhenGmmConstructorIsCalledThenNoGfxMemoryIsProperlySet) {
+    void *pSysMem = reinterpret_cast<void *>(0x1111);
+    std::unique_ptr<Gmm> gmm(new Gmm(pSysMem, 4096, false));
+
+    EXPECT_EQ(gmm->resourceParams.NoGfxMemory, 0u);
+}
+
 TEST_F(GmmTests, given2DimageFromBufferParametersWhenGmmResourceIsCreatedThenItHasDesiredPitchAndSize) {
     cl_image_desc imgDesc{};
     imgDesc.image_type = CL_MEM_OBJECT_IMAGE2D;