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Add BB_START prepatching WA - disabled by default

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Signed-off-by: Bartosz Dunajski <bartosz.dunajski@intel.com>
This commit is contained in:
Bartosz Dunajski
2022-03-10 13:34:16 +00:00
committed by Compute-Runtime-Automation
parent 1b4319fdab
commit 79fedd59e4
4 changed files with 53 additions and 12 deletions
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40
shared/test/unit_test/direct_submission/direct_submission_tests_1.cpp
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@@ -617,6 +617,46 @@ HWTEST_F(DirectSubmissionTest, givenDirectSubmissionAvailableWhenProgrammingEndi
EXPECT_EQ(expectedSize, mockCsr->getCmdSizeForEpilogue(dispatchFlags));
}
HWTEST_F(DirectSubmissionTest, givenDebugFlagSetWhenProgrammingEndingCommandThenUseNonZeroBatchBufferStart) {
using MI_BATCH_BUFFER_START = typename FamilyType::MI_BATCH_BUFFER_START;
DebugManagerStateRestore restorer;
DebugManager.flags.BatchBufferStartPrepatchingWaEnabled.set(1);
MockGraphicsAllocation mockAllocation;
int32_t executionStamp = 0;
std::unique_ptr<MockCsr<FamilyType>> mockCsr = std::make_unique<MockCsr<FamilyType>>(executionStamp, *pDevice->executionEnvironment,
pDevice->getRootDeviceIndex(), pDevice->getDeviceBitfield());
mockCsr->setupContext(*osContext);
mockCsr->directSubmissionAvailable = true;
bool ret = mockCsr->isDirectSubmissionEnabled();
EXPECT_TRUE(ret);
void *location = nullptr;
uint8_t buffer[128];
mockCsr->commandStream.replaceBuffer(&buffer[0], 128u);
mockCsr->commandStream.replaceGraphicsAllocation(&mockAllocation);
auto &device = *pDevice;
mockCsr->programEndingCmd(mockCsr->commandStream, device, &location, ret);
EXPECT_EQ(sizeof(MI_BATCH_BUFFER_START), mockCsr->commandStream.getUsed());
DispatchFlags dispatchFlags = DispatchFlagsHelper::createDefaultDispatchFlags();
dispatchFlags.epilogueRequired = true;
size_t expectedSize = sizeof(MI_BATCH_BUFFER_START) +
mockCsr->getCmdSizeForEpilogueCommands(dispatchFlags);
expectedSize = alignUp(expectedSize, MemoryConstants::cacheLineSize);
EXPECT_EQ(expectedSize, mockCsr->getCmdSizeForEpilogue(dispatchFlags));
auto bbStartCmd = reinterpret_cast<MI_BATCH_BUFFER_START *>(mockCsr->commandStream.getCpuBase());
EXPECT_EQ(mockCsr->commandStream.getGraphicsAllocation()->getGpuAddress(), bbStartCmd->getBatchBufferStartAddress());
mockCsr->commandStream.replaceGraphicsAllocation(nullptr);
}
HWTEST_F(DirectSubmissionTest,
givenDirectSubmissionDiagnosticNotAvailableWhenDiagnosticRegistryIsUsedThenDoNotEnableDiagnostic) {
using Dispatcher = RenderDispatcher<FamilyType>;