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Add debug flag for low priority ULLS BCS 

Signed-off-by: Lukasz Jobczyk <lukasz.jobczyk@intel.com>
This commit is contained in:
Lukasz Jobczyk 2021-04-01 14:12:51 +00:00 committed by Compute-Runtime-Automation
parent 75f3b416ae
commit 0c8080ac26
4 changed files with 27 additions and 1 deletions
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17
opencl/test/unit_test/os_interface/linux/drm_tests.cpp
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@ -251,6 +251,23 @@ TEST(DrmTest, givenDirectSubmissionEnabledOnBlitterWhenCreateBcsEngineThenLowPri
EXPECT_EQ(4u, drmMock.receivedContextParamRequestCount);
}
TEST(DrmTest, givenDirectSubmissionEnabledOnBlitterAndDirectSubmissionLowPriorityBlitterSetZeroWhenCreateBcsEngineThenLowPriorityIsNotSet) {
auto executionEnvironment = std::make_unique<ExecutionEnvironment>();
executionEnvironment->prepareRootDeviceEnvironments(1);
DrmMock drmMock(*executionEnvironment->rootDeviceEnvironments[0]);
OsContextLinux osContext(drmMock, 0u, 1, EngineTypeUsage{aub_stream::ENGINE_BCS, EngineUsage::Regular}, PreemptionMode::Disabled, false);
EXPECT_EQ(1u, drmMock.receivedContextParamRequestCount);
DebugManagerStateRestore restorer;
DebugManager.flags.EnableDirectSubmission.set(1);
DebugManager.flags.DirectSubmissionOverrideBlitterSupport.set(1);
DebugManager.flags.DirectSubmissionLowPriorityBlitter.set(0);
OsContextLinux osContext2(drmMock, 0u, 1, EngineTypeUsage{aub_stream::ENGINE_BCS, EngineUsage::Regular}, PreemptionMode::Disabled, false);
EXPECT_EQ(2u, drmMock.receivedContextParamRequestCount);
}
TEST(DrmTest, WhenGettingExecSoftPinThenCorrectValueIsReturned) {
auto executionEnvironment = std::make_unique<ExecutionEnvironment>();
executionEnvironment->prepareRootDeviceEnvironments(1);

1
opencl/test/unit_test/test_files/igdrcl.config
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@ -196,6 +196,7 @@ ZebinIgnoreIcbeVersion = 0
LogWaitingForCompletion = 0
ForceUserptrAlignment = -1
UseExternalAllocatorForSshAndDsh = 0
DirectSubmissionLowPriorityBlitter = -1
DirectSubmissionOverrideBlitterSupport = -1
DirectSubmissionOverrideRenderSupport = -1
DirectSubmissionOverrideComputeSupport = -1

1
shared/source/debug_settings/debug_variables_base.inl
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@ -157,6 +157,7 @@ DECLARE_DEBUG_VARIABLE(int32_t, DirectSubmissionSemaphoreAddressing, -1, "-1: do
DECLARE_DEBUG_VARIABLE(int32_t, DirectSubmissionDisableCpuCacheFlush, -1, "-1: do not override, 0: disable, 1: enable")
DECLARE_DEBUG_VARIABLE(int32_t, DirectSubmissionEnableDebugBuffer, 0, "0: diagnostic feature disabled - dispatch regular workload, 1: dispatch diagnostic buffer - mode 1 - single SDI command, 2: dispatch diagnostic buffer - mode 2 - no command")
DECLARE_DEBUG_VARIABLE(int32_t, DirectSubmissionDiagnosticExecutionCount, 30, "Number of executions of EnableDebugBuffer modes within diagnostic run")
DECLARE_DEBUG_VARIABLE(int32_t, DirectSubmissionLowPriorityBlitter, -1, "Create low priority context for blitter: -1: default, when direct submission enabled on BCS, 0: disable, create normal drm context 1: enable, create low priority context for BCS")
DECLARE_DEBUG_VARIABLE(int32_t, DirectSubmissionOverrideBlitterSupport, -1, "Overrides default blitter support: -1: do not override, 0: disable engine support, 1: enable engine support with init start, 2: enable engine support without init start")
DECLARE_DEBUG_VARIABLE(int32_t, DirectSubmissionOverrideRenderSupport, -1, "Overrides default render support: -1: do not override, 0: disable engine support, 1: enable engine support with init start, 2: enable engine support without init start")
DECLARE_DEBUG_VARIABLE(int32_t, DirectSubmissionOverrideComputeSupport, -1, "Overrides default compute support: -1: do not override, 0: disable engine support, 1: enable engine support with init start, 2: enable engine support without init start")

9
shared/source/os_interface/linux/os_context_linux.cpp
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@ -7,6 +7,7 @@
#include "shared/source/os_interface/linux/os_context_linux.h"
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/execution_environment/execution_environment.h"
#include "shared/source/execution_environment/root_device_environment.h"
#include "shared/source/helpers/engine_node_helper.h"
@ -51,8 +52,14 @@ OsContextLinux::OsContextLinux(Drm &drm, uint32_t contextId, DeviceBitfield devi
drm.setContextDebugFlag(drmContextId);
}
auto lowPriorityDirectSubmissionBcs = this->isDirectSubmissionActive() && EngineHelpers::isBcs(engineType);
if (DebugManager.flags.DirectSubmissionLowPriorityBlitter.get() != -1) {
lowPriorityDirectSubmissionBcs = DebugManager.flags.DirectSubmissionLowPriorityBlitter.get();
}
if ((drm.isPreemptionSupported() && isLowPriority()) ||
(this->isDirectSubmissionActive() && EngineHelpers::isBcs(engineType))) {
lowPriorityDirectSubmissionBcs) {
drm.setLowPriorityContextParam(drmContextId);
}