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refactor: Simplify prefetch memory logic for kmd-migrated shared allocation

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Related-To: NEO-7641

Signed-off-by: Milczarek, Slawomir <slawomir.milczarek@intel.com>
This commit is contained in:
Milczarek, Slawomir
2023-04-25 17:49:25 +00:00
committed by Compute-Runtime-Automation
parent 75827b66c6
commit 3ead7f6ac9
4 changed files with 63 additions and 13 deletions
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19
shared/source/os_interface/linux/drm_allocation.cpp
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@ -376,19 +376,16 @@ bool DrmAllocation::setMemPrefetch(Drm *drm, SubDeviceIdsVec &subDeviceIds) {
UNRECOVERABLE_IF(subDeviceIds.size() == 0);
bool success = true;
auto numHandles = GraphicsAllocation::getNumHandlesForKmdSharedAllocation(storageInfo.getNumBanks());
if (numHandles > 1) {
for (uint8_t handleId = 0u; handleId < EngineLimits::maxHandleCount; handleId++) {
if (storageInfo.memoryBanks.test(handleId)) {
auto bo = this->getBOs()[handleId];
auto subDeviceId = handleId;
if (DebugManager.flags.KMDSupportForCrossTileMigrationPolicy.get() > 0) {
subDeviceId = subDeviceIds[handleId % subDeviceIds.size()];
}
for (auto vmHandleId : subDeviceIds) {
success &= prefetchBO(bo, vmHandleId, subDeviceId);
}
for (uint8_t handleId = 0u; handleId < numHandles; handleId++) {
auto bo = this->getBOs()[handleId];
auto subDeviceId = handleId;
if (DebugManager.flags.KMDSupportForCrossTileMigrationPolicy.get() > 0) {
subDeviceId = subDeviceIds[handleId % subDeviceIds.size()];
}
for (auto vmHandleId : subDeviceIds) {
success &= prefetchBO(bo, vmHandleId, subDeviceId);
}
}
} else {