performance: enable PreferredAllocationMethod by KMD on PTL

Related-To: NEO-10526

Signed-off-by: Radoslaw Jablonski <[email protected]>

Author: jabrad

shared/source/xe3_core/ptl/os_agnostic_product_helper_ptl.inl

@@ -18,4 +18,10 @@ template <>
 bool ProductHelperHw<gfxProduct>::isBufferPoolAllocatorSupported() const {
     return false;
 }
+
+template <>
+std::optional<GfxMemoryAllocationMethod> ProductHelperHw<gfxProduct>::getPreferredAllocationMethod(AllocationType allocationType) const {
+    return GfxMemoryAllocationMethod::allocateByKmd;
+}
+
 } // namespace NEO

shared/test/unit_test/xe3_core/ptl/CMakeLists.txt

@@ -7,6 +7,7 @@
 if(TESTS_PTL)
   target_sources(neo_shared_tests PRIVATE
                  ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt
+                 ${CMAKE_CURRENT_SOURCE_DIR}/excludes_xe3_core_ptl.cpp
                  ${CMAKE_CURRENT_SOURCE_DIR}/hw_aot_config_tests_ptl.cpp
                  ${CMAKE_CURRENT_SOURCE_DIR}/hw_info_tests_ptl.cpp
                  ${CMAKE_CURRENT_SOURCE_DIR}/product_helper_tests_ptl.cpp

shared/test/unit_test/xe3_core/ptl/excludes_xe3_core_ptl.cpp

@@ -0,0 +1,10 @@
+/*
+ * Copyright (C) 2025 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#include "shared/test/common/test_macros/hw_test_base.h"
+
+HWTEST_EXCLUDE_PRODUCT(ProductHelperTest, whenGettingPreferredAllocationMethodThenNoPreferenceIsReturned, IGFX_PTL);

shared/test/unit_test/xe3_core/ptl/product_helper_tests_ptl.cpp

@@ -6,6 +6,7 @@
  */
 
 #include "shared/source/helpers/compiler_product_helper.h"
+#include "shared/source/memory_manager/allocation_type.h"
 #include "shared/source/os_interface/product_helper.h"
 #include "shared/source/xe3_core/hw_info_xe3_core.h"
 #include "shared/test/common/test_macros/header/per_product_test_definitions.h"
@@ -18,6 +19,15 @@ using namespace NEO;
 
 using PtlProductHelper = ProductHelperTest;
 
+PTLTEST_F(PtlProductHelper, whenGettingPreferredAllocationMethodThenAllocateByKmdIsReturned) {
+    for (auto i = 0; i < static_cast<int>(AllocationType::count); i++) {
+        auto allocationType = static_cast<AllocationType>(i);
+        auto preferredAllocationMethod = productHelper->getPreferredAllocationMethod(allocationType);
+        EXPECT_TRUE(preferredAllocationMethod.has_value());
+        EXPECT_EQ(GfxMemoryAllocationMethod::allocateByKmd, preferredAllocationMethod.value());
+    }
+}
+
 PTLTEST_F(PtlProductHelper, givenCompilerProductHelperWhenGetDefaultHwIpVersionThenCorrectValueIsSet) {
     EXPECT_EQ(compilerProductHelper->getDefaultHwIpVersion(), AOT::PTL_H_A0);
 }