From b1bc4f4cad49b6a937ad77c1920dbd09f019eaf7 Mon Sep 17 00:00:00 2001
From: Compute-Runtime-Validation <compute-runtime-validation@intel.com>
Date: Mon, 8 Jul 2024 05:46:41 +0200
Subject: [PATCH] Revert "fix: Add missing fp64 extensions in caps
 initialization"

This reverts commit 9a486dd5a1ebebb3e07248bbb2b6761ec0f96c26.

Signed-off-by: Compute-Runtime-Validation <compute-runtime-validation@intel.com>
---
 opencl/source/cl_device/cl_device_caps.cpp    |  8 ----
 .../unit_test/device/device_caps_tests.cpp    | 39 +------------------
 2 files changed, 1 insertion(+), 46 deletions(-)

diff --git a/opencl/source/cl_device/cl_device_caps.cpp b/opencl/source/cl_device/cl_device_caps.cpp
index d9f1818f29..84eea894fb 100644
--- a/opencl/source/cl_device/cl_device_caps.cpp
+++ b/opencl/source/cl_device/cl_device_caps.cpp
@@ -65,7 +65,6 @@ void ClDevice::setupFp64Flags() {
                     deviceInfo.doubleFpConfig = defaultFpFlags | CL_FP_SOFT_FLOAT;
                     deviceInfo.nativeVectorWidthDouble = 1;
                     deviceInfo.preferredVectorWidthDouble = 1;
-                    deviceExtensions += "cl_khr_fp64 ";
                 }
             } else {
                 deviceInfo.doubleFpConfig = 0;
@@ -431,13 +430,6 @@ void ClDevice::initializeCaps() {
 
     initializeOsSpecificCaps();
     getOpenclCFeaturesList(hwInfo, deviceInfo.openclCFeatures, getDevice().getCompilerProductHelper(), releaseHelper);
-    if (hwInfo.capabilityTable.ftrSupportsFP64Emulation &&
-        getDevice().getExecutionEnvironment()->isFP64EmulationEnabled()) {
-        cl_name_version openClCFeature;
-        openClCFeature.version = CL_MAKE_VERSION(3, 0, 0);
-        strcpy_s(openClCFeature.name, CL_NAME_VERSION_MAX_NAME_SIZE, "__opencl_c_fp64");
-        deviceInfo.openclCFeatures.push_back(openClCFeature);
-    }
 }
 
 void ClDevice::initializeExtensionsWithVersion() {
diff --git a/opencl/test/unit_test/device/device_caps_tests.cpp b/opencl/test/unit_test/device/device_caps_tests.cpp
index c24d5d168b..66beaf8c86 100644
--- a/opencl/test/unit_test/device/device_caps_tests.cpp
+++ b/opencl/test/unit_test/device/device_caps_tests.cpp
@@ -126,11 +126,6 @@ struct DeviceGetCapsTest : public ::testing::Test {
             EXPECT_STREQ("__opencl_c_integer_dot_product_input_4x8bit_packed", (++openclCFeatureIterator)->name);
         }
         verifyAnyRemainingOpenclCFeatures(releaseHelper, openclCFeatureIterator);
-        if (hwInfo.capabilityTable.ftrSupportsFP64Emulation &&
-            clDevice.getDevice().getExecutionEnvironment()->isFP64EmulationEnabled()) {
-            EXPECT_STREQ("__opencl_c_fp64", (++openclCFeatureIterator)->name);
-        }
-
         EXPECT_EQ(clDevice.getDeviceInfo().openclCFeatures.end(), ++openclCFeatureIterator);
     }
 
@@ -350,38 +345,6 @@ TEST_F(DeviceGetCapsTest, givenForceOclVersion12WhenCapsAreCreatedThenDeviceRepo
     verifyOpenclCFeatures(*device);
 }
 
-TEST_F(DeviceGetCapsTest, givenForceOclVersion30AndFp64EmulationSupportedAndEnabledWhenCapsAreCreatedThenClKhrFp64AndOpenClCFp64ExtensionsAreReported) {
-    DebugManagerStateRestore dbgRestorer;
-    debugManager.flags.ForceOCLVersion.set(30);
-
-    HardwareInfo hwInfo = *defaultHwInfo;
-    hwInfo.capabilityTable.ftrSupportsFP64 = false;
-    hwInfo.capabilityTable.ftrSupportsFP64Emulation = true;
-
-    auto executionEnvironment = MockDevice::prepareExecutionEnvironment(&hwInfo, 0u);
-    executionEnvironment->setFP64EmulationEnabled();
-
-    auto device = std::make_unique<MockClDevice>(MockDevice::createWithExecutionEnvironment<MockDevice>(&hwInfo, executionEnvironment, 0u));
-    const auto &caps = device->getDeviceInfo();
-
-    EXPECT_STREQ("OpenCL 3.0 NEO ", caps.clVersion);
-    EXPECT_STREQ("OpenCL C 1.2 ", caps.clCVersion);
-    EXPECT_EQ(CL_MAKE_VERSION(3u, 0u, 0u), caps.numericClVersion);
-    EXPECT_FALSE(device->ocl21FeaturesEnabled);
-    verifyOpenclCFeatures(*device);
-
-    bool openclCFp64Found = false;
-    for (auto &openclCFeature : device->getDeviceInfo().openclCFeatures) {
-        if (0 == strcmp("__opencl_c_fp64", openclCFeature.name)) {
-            openclCFp64Found = true;
-            break;
-        }
-    }
-
-    EXPECT_TRUE(openclCFp64Found);
-    EXPECT_TRUE(hasSubstr(caps.deviceExtensions, std::string("cl_khr_fp64")));
-}
-
 TEST_F(DeviceGetCapsTest, givenForceOCL21FeaturesSupportEnabledWhenCapsAreCreatedThenDeviceReportsSupportOfOcl21Features) {
     DebugManagerStateRestore dbgRestorer;
     debugManager.flags.ForceOCLVersion.set(12);
@@ -1204,7 +1167,7 @@ TEST_F(DeviceGetCapsTest, givenFp64EmulationSupportWithFp64EmulationEnvVarSetWhe
     auto &caps = pClDevice->getDeviceInfo();
     std::string extensionString = pClDevice->getDeviceInfo().deviceExtensions;
 
-    EXPECT_NE(std::string::npos, extensionString.find(std::string("cl_khr_fp64")));
+    EXPECT_EQ(std::string::npos, extensionString.find(std::string("cl_khr_fp64")));
     EXPECT_TRUE(isValueSet(caps.doubleFpConfig, CL_FP_SOFT_FLOAT));
 
     cl_device_fp_config defaultFpFlags = static_cast<cl_device_fp_config>(CL_FP_ROUND_TO_NEAREST |