Revert "fix: disable in-order barrier skipping if dcFlush is required".

This reverts commit 8e75e06.

Signed-off-by: Dunajski, Bartosz <[email protected]>

Author: BartoszDunajski

level_zero/core/source/cmdlist/cmdlist_hw.inl

@@ -3195,10 +3195,6 @@ void CommandListCoreFamily<gfxCoreFamily>::programStateBaseAddress(NEO::CommandC
 
 template <GFXCORE_FAMILY gfxCoreFamily>
 bool CommandListCoreFamily<gfxCoreFamily>::isSkippingInOrderBarrierAllowed(ze_event_handle_t hSignalEvent, uint32_t numWaitEvents, ze_event_handle_t *phWaitEvents) const {
-    if (dcFlushSupport) {
-        return false;
-    }
-
     uint32_t eventsToWait = numWaitEvents;
 
     for (uint32_t i = 0; i < numWaitEvents; i++) {

level_zero/core/test/unit_tests/sources/cmdlist/test_in_order_cmdlist.cpp

@@ -3138,13 +3138,9 @@ HWTEST2_F(InOrderCmdListTests, givenInOrderModeWhenProgrammingAppendBarrierWitho
     immCmdList->appendBarrier(nullptr, 0, nullptr, false);
     immCmdList->appendBarrier(eventHandle, 0, nullptr, false);
 
-    if (immCmdList->getDcFlushRequired(true)) {
-        EXPECT_NE(offset, cmdStream->getUsed());
-        EXPECT_EQ(3u, events[0]->inOrderExecSignalValue);
-    } else {
-        EXPECT_EQ(offset, cmdStream->getUsed());
-        EXPECT_EQ(1u, events[0]->inOrderExecSignalValue);
-    }
+    EXPECT_EQ(offset, cmdStream->getUsed());
+
+    EXPECT_EQ(1u, events[0]->inOrderExecSignalValue);
 }
 
 HWTEST2_F(InOrderCmdListTests, givenRegularCmdListWhenProgrammingAppendBarrierWithoutWaitlistThenInheritSignalSyncAllocation, IsAtLeastSkl) {
@@ -3165,13 +3161,9 @@ HWTEST2_F(InOrderCmdListTests, givenRegularCmdListWhenProgrammingAppendBarrierWi
     cmdList->appendBarrier(nullptr, 0, nullptr, false);
     cmdList->appendBarrier(eventHandle, 0, nullptr, false);
 
-    if (cmdList->getDcFlushRequired(true)) {
-        EXPECT_NE(offset, cmdStream->getUsed());
-        EXPECT_EQ(3u, events[0]->inOrderExecSignalValue);
-    } else {
-        EXPECT_EQ(offset, cmdStream->getUsed());
-        EXPECT_EQ(1u, events[0]->inOrderExecSignalValue);
-    }
+    EXPECT_EQ(offset, cmdStream->getUsed());
+
+    EXPECT_EQ(1u, events[0]->inOrderExecSignalValue);
 }
 
 HWTEST2_F(InOrderCmdListTests, givenInOrderModeWhenProgrammingAppendBarrierWithDifferentEventsThenDontInherit, IsAtLeastXeHpCore) {