performance: Always allocate by KMD on Xe2

Related-To: NEO-13441

Signed-off-by: Lukasz Jobczyk <[email protected]>

Author: LukaszJobczyk

shared/source/xe2_hpg_core/bmg/os_agnostic_product_helper_bmg.inl

@@ -32,13 +32,7 @@ std::optional<aub_stream::ProductFamily> ProductHelperHw<gfxProduct>::getAubStre
 
 template <>
 std::optional<GfxMemoryAllocationMethod> ProductHelperHw<gfxProduct>::getPreferredAllocationMethod(AllocationType allocationType) const {
-    switch (allocationType) {
-    case AllocationType::tagBuffer:
-    case AllocationType::timestampPacketTagBuffer:
-        return {};
-    default:
-        return GfxMemoryAllocationMethod::allocateByKmd;
-    }
+    return GfxMemoryAllocationMethod::allocateByKmd;
 }
 
 template <>

shared/source/xe2_hpg_core/lnl/os_agnostic_product_helper_lnl.inl

@@ -32,13 +32,7 @@ std::optional<aub_stream::ProductFamily> ProductHelperHw<gfxProduct>::getAubStre
 
 template <>
 std::optional<GfxMemoryAllocationMethod> ProductHelperHw<gfxProduct>::getPreferredAllocationMethod(AllocationType allocationType) const {
-    switch (allocationType) {
-    case AllocationType::tagBuffer:
-    case AllocationType::timestampPacketTagBuffer:
-        return this->isDcFlushMitigated() ? std::optional<GfxMemoryAllocationMethod>(GfxMemoryAllocationMethod::allocateByKmd) : std::nullopt;
-    default:
-        return GfxMemoryAllocationMethod::allocateByKmd;
-    }
+    return GfxMemoryAllocationMethod::allocateByKmd;
 }
 
 template <>

shared/test/unit_test/xe2_hpg_core/bmg/product_helper_tests_bmg.cpp

@@ -73,13 +73,8 @@ BMGTEST_F(BmgProductHelper, whenCheckPreferredAllocationMethodThenAllocateByKmdI
     for (auto i = 0; i < static_cast<int>(AllocationType::count); i++) {
         auto allocationType = static_cast<AllocationType>(i);
         auto preferredAllocationMethod = productHelper->getPreferredAllocationMethod(allocationType);
-        if (allocationType == AllocationType::tagBuffer ||
-            allocationType == AllocationType::timestampPacketTagBuffer) {
-            EXPECT_FALSE(preferredAllocationMethod.has_value());
-        } else {
-            EXPECT_TRUE(preferredAllocationMethod.has_value());
-            EXPECT_EQ(GfxMemoryAllocationMethod::allocateByKmd, preferredAllocationMethod.value());
-        }
+        EXPECT_TRUE(preferredAllocationMethod.has_value());
+        EXPECT_EQ(GfxMemoryAllocationMethod::allocateByKmd, preferredAllocationMethod.value());
     }
 }
 

shared/test/unit_test/xe2_hpg_core/lnl/product_helper_tests_lnl.cpp

@@ -97,13 +97,8 @@ LNLTEST_F(LnlProductHelper, whenCheckPreferredAllocationMethodThenAllocateByKmdI
     for (auto i = 0; i < static_cast<int>(AllocationType::count); ++i) {
         auto allocationType = static_cast<AllocationType>(i);
         auto preferredAllocationMethod = productHelper->getPreferredAllocationMethod(allocationType);
-        if (allocationType == AllocationType::tagBuffer ||
-            allocationType == AllocationType::timestampPacketTagBuffer) {
-            EXPECT_FALSE(preferredAllocationMethod.has_value());
-        } else {
-            EXPECT_TRUE(preferredAllocationMethod.has_value());
-            EXPECT_EQ(GfxMemoryAllocationMethod::allocateByKmd, preferredAllocationMethod.value());
-        }
+        EXPECT_TRUE(preferredAllocationMethod.has_value());
+        EXPECT_EQ(GfxMemoryAllocationMethod::allocateByKmd, preferredAllocationMethod.value());
     }
     debugManager.flags.AllowDcFlush.set(0);
     for (auto i = 0; i < static_cast<int>(AllocationType::count); ++i) {