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refactor: Add optional user fence during unbind

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Add optional fence and wait operations after unbind operation.

Signed-off-by: Aravind Gopalakrishnan <aravind.gopalakrishnan@intel.com>
This commit is contained in:
Aravind Gopalakrishnan
2024-03-12 23:56:09 +00:00
committed by Compute-Runtime-Automation
parent 835dc8b594
commit 3f20dd3b49
9 changed files with 285 additions and 19 deletions
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40
shared/source/os_interface/linux/drm_neo.cpp
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@@ -1246,6 +1246,23 @@ uint64_t Drm::getPatIndex(Gmm *gmm, AllocationType allocationType, CacheRegion c
return patIndex;
}
void programUserFence(Drm *drm, OsContext *osContext, BufferObject *bo, VmBindExtUserFenceT &vmBindExtUserFence, uint32_t vmHandleId, uint64_t nextExtension) {
auto ioctlHelper = drm->getIoctlHelper();
uint64_t address = 0;
uint64_t value = 0;
if (drm->isPerContextVMRequired()) {
auto osContextLinux = static_cast<OsContextLinux *>(osContext);
address = castToUint64(osContextLinux->getFenceAddr(vmHandleId));
value = osContextLinux->getNextFenceVal(vmHandleId);
} else {
address = castToUint64(drm->getFenceAddr(vmHandleId));
value = drm->getNextFenceVal(vmHandleId);
}
ioctlHelper->fillVmBindExtUserFence(vmBindExtUserFence, address, value, nextExtension);
}
int changeBufferObjectBinding(Drm *drm, OsContext *osContext, uint32_t vmHandleId, BufferObject *bo, bool bind) {
auto vmId = drm->getVirtualMemoryAddressSpace(vmHandleId);
auto ioctlHelper = drm->getIoctlHelper();
@@ -1322,21 +1339,8 @@ int changeBufferObjectBinding(Drm *drm, OsContext *osContext, uint32_t vmHandleI
if (!drm->hasPageFaultSupport() || bo->isExplicitResidencyRequired()) {
auto nextExtension = vmBind.extensions;
uint64_t address = 0;
uint64_t value = 0;
if (drm->isPerContextVMRequired()) {
auto osContextLinux = static_cast<OsContextLinux *>(osContext);
address = castToUint64(osContextLinux->getFenceAddr(vmHandleId));
value = osContextLinux->getNextFenceVal(vmHandleId);
} else {
address = castToUint64(drm->getFenceAddr(vmHandleId));
value = drm->getNextFenceVal(vmHandleId);
}
incrementFenceValue = true;
ioctlHelper->fillVmBindExtUserFence(vmBindExtUserFence, address, value, nextExtension);
programUserFence(drm, osContext, bo, vmBindExtUserFence, vmHandleId, nextExtension);
ioctlHelper->setVmBindUserFence(vmBind, vmBindExtUserFence);
}
}
@@ -1355,6 +1359,14 @@ int changeBufferObjectBinding(Drm *drm, OsContext *osContext, uint32_t vmHandleI
break;
}
}
bool waitOnUserFenceAfterBindAndUnbind = false;
if (debugManager.flags.EnableWaitOnUserFenceAfterBindAndUnbind.get() != -1) {
waitOnUserFenceAfterBindAndUnbind = !!debugManager.flags.EnableWaitOnUserFenceAfterBindAndUnbind.get();
}
if (ioctlHelper->isWaitBeforeBindRequired(bind) && waitOnUserFenceAfterBindAndUnbind && drm->useVMBindImmediate()) {
auto osContextLinux = static_cast<OsContextLinux *>(osContext);
osContextLinux->waitForPagingFence();
}
if (incrementFenceValue) {
if (drm->isPerContextVMRequired()) {
auto osContextLinux = static_cast<OsContextLinux *>(osContext);