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Use new residency model by default

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Related-To: NEO-5007

Change-Id: Id39ac53e00e126237200d80e493706e2eed53b30
Signed-off-by: Lukasz Jobczyk <lukasz.jobczyk@intel.com>
This commit is contained in:
Lukasz Jobczyk
2020-09-17 14:56:32 +02:00
parent 912af26602
commit 9790c2991d
6 changed files with 35 additions and 0 deletions
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7
opencl/source/dll/linux/drm_neo_create.cpp
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@@ -110,4 +110,11 @@ Drm *Drm::create(std::unique_ptr<HwDeviceId> hwDeviceId, RootDeviceEnvironment &
}
return drmObject.release();
}
void Drm::overrideBindSupport(bool &useVmBind) {
if (DebugManager.flags.UseVmBind.get() != -1) {
useVmBind = DebugManager.flags.UseVmBind.get();
}
}
} // namespace NEO

17
opencl/test/unit_test/linux/main_linux_dll.cpp
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@@ -215,6 +215,23 @@ TEST(DrmTest, GivenSelectedIncorectDeviceWhenGetDeviceFdThenFail) {
EXPECT_TRUE(hwDeviceIds.empty());
}
TEST(DrmTest, givenUseVmBindFlagWhenOverrideBindSupportThenReturnProperValue) {
DebugManagerStateRestore dbgRestorer;
bool useVmBind = false;
DebugManager.flags.UseVmBind.set(1);
Drm::overrideBindSupport(useVmBind);
EXPECT_TRUE(useVmBind);
DebugManager.flags.UseVmBind.set(0);
Drm::overrideBindSupport(useVmBind);
EXPECT_FALSE(useVmBind);
DebugManager.flags.UseVmBind.set(-1);
Drm::overrideBindSupport(useVmBind);
EXPECT_FALSE(useVmBind);
}
TEST_F(DrmTests, createReturnsDrm) {
auto drm = DrmWrap::createDrm(*rootDeviceEnvironment);
EXPECT_NE(drm, nullptr);

8
opencl/test/unit_test/os_interface/linux/drm_neo_create.cpp
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@@ -40,4 +40,12 @@ Drm *Drm::create(std::unique_ptr<HwDeviceId> hwDeviceId, RootDeviceEnvironment &
}
return drm;
}
void Drm::overrideBindSupport(bool &useVmBind) {
useVmBind = false;
if (DebugManager.flags.UseVmBind.get() == 1) {
useVmBind = true;
}
}
} // namespace NEO

1
opencl/test/unit_test/test_files/igdrcl.config
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@@ -86,6 +86,7 @@ DirectSubmissionDiagnosticExecutionCount = 30
DirectSubmissionDisableCacheFlush = 0
DirectSubmissionDisableMonitorFence = 0
USMEvictAfterMigration = 1
UseVmBind = -1
EnableNullHardware = 0
ForceLinearImages = 0
ForceSLML3Config = 0

1
shared/source/debug_settings/debug_variables_base.inl
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@@ -203,6 +203,7 @@ DECLARE_DEBUG_VARIABLE(int32_t, ForceUserptrAlignment, -1, "-1: no force (4kb),
DECLARE_DEBUG_VARIABLE(int64_t, ForceSystemMemoryPlacement, 0, "0: default, >0: (bitmask) for given Graphics Allocation Type, force system memory placement")
DECLARE_DEBUG_VARIABLE(int64_t, ForceNonSystemMemoryPlacement, 0, "0: default, >0: (bitmask) for given Graphics Allocation Type, force non-system memory placement")
DECLARE_DEBUG_VARIABLE(int64_t, DisableIndirectAccess, -1, "0: default, 0: Indirect access for L0 kernels is enabled, 1: Indirect is disabled")
DECLARE_DEBUG_VARIABLE(int32_t, UseVmBind, -1, "Use new residency model on Linux (requires kernel support), -1: default, 0: disabled, 1: enabled")
DECLARE_DEBUG_VARIABLE(bool, UseMaxSimdSizeToDeduceMaxWorkgroupSize, false, "With this flag on, max workgroup size is deduced using SIMD32 instead of SIMD8, this causes the max wkg size to be 4 times bigger")
DECLARE_DEBUG_VARIABLE(bool, ReturnRawGpuTimestamps, false, "Driver returns raw GPU tiemstamps instead of calculated ones.")
DECLARE_DEBUG_VARIABLE(bool, ForcePerDssBackedBufferProgramming, false, "Always program per-DSS memory backed buffer in preamble")

1
shared/source/os_interface/linux/drm_neo.h
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@@ -141,6 +141,7 @@ class Drm {
static bool isi915Version(int fd);
static Drm *create(std::unique_ptr<HwDeviceId> hwDeviceId, RootDeviceEnvironment &rootDeviceEnvironment);
static void overrideBindSupport(bool &useVmBind);
protected:
int getQueueSliceCount(drm_i915_gem_context_param_sseu *sseu);