feature: Enable ULLS context termination for context group on multi-tile

Related-To: NEO-13325

Signed-off-by: Slawomir Milczarek <[email protected]>

Author: smilczar

shared/source/direct_submission/direct_submission_controller.cpp

@@ -50,6 +50,10 @@ void DirectSubmissionController::registerDirectSubmission(CommandStreamReceiver
     std::lock_guard<std::mutex> lock(directSubmissionsMutex);
     directSubmissions.insert(std::make_pair(csr, DirectSubmissionState()));
     this->overrideDirectSubmissionTimeouts(csr->getProductHelper());
+    if (debugManager.flags.DirectSubmissionControllerContextGroupIdleDetection.get() == -1) {
+        bool multiTile = csr->getOsContext().getDeviceBitfield().count() > 1;
+        isCsrsContextGroupIdleDetectionEnabled = multiTile;
+    }
 }
 
 void DirectSubmissionController::unregisterDirectSubmission(CommandStreamReceiver *csr) {

shared/test/unit_test/direct_submission/direct_submission_controller_tests.cpp

@@ -764,6 +764,46 @@ TEST(DirectSubmissionIdleDetectionWithContextGroupTest, givenDirectSubmissionCon
     }
 }
 
+TEST(DirectSubmissionIdleDetectionWithContextGroupTest, givenDebugFlagUnsetAndSingleTileWhenRegisterDirectSubmissionThenContextGroupIdleDetectionIsFalse) {
+    DebugManagerStateRestore restorer;
+    debugManager.flags.DirectSubmissionControllerContextGroupIdleDetection.set(-1);
+
+    DirectSubmissionControllerMock controller;
+
+    // Simulate single-tile device bitfield (only bit 0 set)
+    DeviceBitfield singleTileBitfield(1);
+    OsContext osContext(0, 55, EngineDescriptorHelper::getDefaultDescriptor({aub_stream::ENGINE_CCS, EngineUsage::regular}, singleTileBitfield));
+    MockExecutionEnvironment executionEnvironment;
+    executionEnvironment.prepareRootDeviceEnvironments(1);
+    executionEnvironment.initializeMemoryManager();
+    MockCommandStreamReceiver csr(executionEnvironment, 0, singleTileBitfield);
+    csr.osContext = &osContext;
+
+    controller.registerDirectSubmission(&csr);
+
+    EXPECT_FALSE(controller.isCsrsContextGroupIdleDetectionEnabled);
+}
+
+TEST(DirectSubmissionIdleDetectionWithContextGroupTest, givenDebugFlagUnsetAndMultiTileWhenRegisterDirectSubmissionThenContextGroupIdleDetectionIsTrue) {
+    DebugManagerStateRestore restorer;
+    debugManager.flags.DirectSubmissionControllerContextGroupIdleDetection.set(-1);
+
+    DirectSubmissionControllerMock controller;
+
+    // Simulate multi-tile device bitfield (bits 0 and 1 set)
+    DeviceBitfield multiTileBitfield(0b11);
+    OsContext osContext(0, 55, EngineDescriptorHelper::getDefaultDescriptor({aub_stream::ENGINE_CCS, EngineUsage::regular}, multiTileBitfield));
+    MockExecutionEnvironment executionEnvironment;
+    executionEnvironment.prepareRootDeviceEnvironments(1);
+    executionEnvironment.initializeMemoryManager();
+    MockCommandStreamReceiver csr(executionEnvironment, 0, multiTileBitfield);
+    csr.osContext = &osContext;
+
+    controller.registerDirectSubmission(&csr);
+
+    EXPECT_TRUE(controller.isCsrsContextGroupIdleDetectionEnabled);
+}
+
 class MockContextGroupIdleDetectionCsr : public MockCommandStreamReceiver {
   public:
     using MockCommandStreamReceiver::MockCommandStreamReceiver;