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Revert "performance: enable low latency hint on Xe"

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This reverts commit b74dc9b7e1.

Signed-off-by: Szymon Morek <szymon.morek@intel.com>
This commit is contained in:
Szymon Morek
2025-06-02 09:06:00 +00:00
committed by Compute-Runtime-Automation
parent 2efa5cb907
commit 48b4a33645
6 changed files with 1 additions and 91 deletions
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15
shared/source/os_interface/linux/xe/ioctl_helper_xe.cpp
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@@ -211,17 +211,8 @@ bool IoctlHelperXe::initialize() {
xeLog("DRM_XE_QUERY_CONFIG_MAX_EXEC_QUEUE_PRIORITY\t\t%#llx\n",
config->info[DRM_XE_QUERY_CONFIG_MAX_EXEC_QUEUE_PRIORITY]);
xeLog(" DRM_XE_QUERY_CONFIG_FLAG_HAS_LOW_LATENCY\t%s\n",
config->info[DRM_XE_QUERY_CONFIG_FLAGS] &
DRM_XE_QUERY_CONFIG_FLAG_HAS_LOW_LATENCY
? "ON"
: "OFF");
maxExecQueuePriority = config->info[DRM_XE_QUERY_CONFIG_MAX_EXEC_QUEUE_PRIORITY] & 0xffff;
isLowLatencyHintAvailable = config->info[DRM_XE_QUERY_CONFIG_FLAGS] & DRM_XE_QUERY_CONFIG_FLAG_HAS_LOW_LATENCY;
if (debugManager.flags.ForceLowLatencyHint.get() != -1) {
isLowLatencyHintAvailable = !!debugManager.flags.ForceLowLatencyHint.get();
}
memset(&queryConfig, 0, sizeof(queryConfig));
queryConfig.query = DRM_XE_DEVICE_QUERY_HWCONFIG;
@@ -1382,12 +1373,6 @@ void IoctlHelperXe::xeShowBindTable() {
}
}
void IoctlHelperXe::applyContextFlags(void *execQueueCreate, bool allocateInterrupt) {
if (this->isLowLatencyHintAvailable) {
reinterpret_cast<drm_xe_exec_queue_create *>(execQueueCreate)->flags |= DRM_XE_EXEC_QUEUE_LOW_LATENCY_HINT;
}
}
int IoctlHelperXe::createDrmContext(Drm &drm, OsContextLinux &osContext, uint32_t drmVmId, uint32_t deviceIndex, bool allocateInterrupt) {
uint32_t drmContextId = 0;