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feature: enable defer backing by default

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Related-To: NEO-13403

Signed-off-by: Bellekallu Rajkiran <bellekallu.rajkiran@intel.com>
Signed-off-by: Narendra Bagria <narendra.bagria@intel.com>
This commit is contained in:
Narendra Bagria
2025-09-10 09:37:22 +00:00
committed by Compute-Runtime-Automation
parent 84c7c6612b
commit 34d4e526e9
5 changed files with 42 additions and 21 deletions
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15
shared/source/os_interface/linux/xe/ioctl_helper_xe.cpp
View File

@@ -268,6 +268,11 @@ bool IoctlHelperXe::initialize() {
assignValue(tileIdToMediaGtId, gt.tile_id, gt.gt_id);
}
}
if (debugManager.flags.EnableDeferBacking.get() != -1) {
enableDeferBacking = debugManager.flags.EnableDeferBacking.get();
}
return true;
}
@@ -650,7 +655,7 @@ int IoctlHelperXe::createGemExt(const MemRegionsVec &memClassInstances, size_t a
create.placement = static_cast<uint32_t>(memoryInstances.to_ulong());
create.cpu_caching = this->getCpuCachingMode(isCoherent, isSysMemOnly);
if (debugManager.flags.EnableDeferBacking.get()) {
if (enableDeferBacking) {
create.flags |= DRM_XE_GEM_CREATE_FLAG_DEFER_BACKING;
}
@@ -696,7 +701,7 @@ uint32_t IoctlHelperXe::createGem(uint64_t size, uint32_t memoryBanks, std::opti
create.placement = static_cast<uint32_t>(memoryInstances.to_ulong());
create.cpu_caching = this->getCpuCachingMode(isCoherent, isSysMemOnly);
if (debugManager.flags.EnableDeferBacking.get()) {
if (enableDeferBacking) {
create.flags |= DRM_XE_GEM_CREATE_FLAG_DEFER_BACKING;
}
@@ -1653,11 +1658,7 @@ bool IoctlHelperXe::isImmediateVmBindRequired() const {
}
bool IoctlHelperXe::makeResidentBeforeLockNeeded() const {
auto makeResidentBeforeLockNeeded = false;
if (debugManager.flags.EnableDeferBacking.get()) {
makeResidentBeforeLockNeeded = true;
}
return makeResidentBeforeLockNeeded;
return enableDeferBacking;
}
void IoctlHelperXe::insertEngineToContextParams(ContextParamEngines<> &contextParamEngines, uint32_t engineId, const EngineClassInstance *engineClassInstance, uint32_t tileId, bool hasVirtualEngines) {

2
shared/source/os_interface/linux/xe/ioctl_helper_xe.h
View File

@@ -227,6 +227,8 @@ class IoctlHelperXe : public IoctlHelper {
};
std::unique_ptr<EuDebugInterface> euDebugInterface;
bool enableDeferBacking = true;
};
template <typename... XeLogArgs>