72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
/*
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* Copyright (C) 2018-2024 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#include "shared/source/os_interface/linux/device_time_drm.h"
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#include "shared/source/debug_settings/debug_settings_manager.h"
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#include "shared/source/helpers/register_offsets.h"
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#include "shared/source/os_interface/linux/drm_neo.h"
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#include "shared/source/os_interface/linux/drm_wrappers.h"
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#include "shared/source/os_interface/linux/ioctl_helper.h"
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#include "shared/source/os_interface/os_interface.h"
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#include <time.h>
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namespace NEO {
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DeviceTimeDrm::DeviceTimeDrm(OSInterface &osInterface) {
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pDrm = osInterface.getDriverModel()->as<Drm>();
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}
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TimeQueryStatus DeviceTimeDrm::getGpuCpuTimeImpl(TimeStampData *pGpuCpuTime, OSTime *osTime) {
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if (!pDrm->getIoctlHelper()->setGpuCpuTimes(pGpuCpuTime, osTime)) {
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if (pDrm->getErrno() == EOPNOTSUPP) {
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return TimeQueryStatus::unsupportedFeature;
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} else {
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return TimeQueryStatus::deviceLost;
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}
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}
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return TimeQueryStatus::success;
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}
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double DeviceTimeDrm::getDynamicDeviceTimerResolution() const {
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if (pDrm) {
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int frequency = 0;
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auto error = pDrm->getTimestampFrequency(frequency);
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if (!error) {
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return nanosecondsPerSecond / frequency;
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}
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}
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return OSTime::getDeviceTimerResolution();
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}
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uint64_t DeviceTimeDrm::getDynamicDeviceTimerClock() const {
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if (pDrm) {
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int frequency = 0;
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auto error = pDrm->getTimestampFrequency(frequency);
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if (!error) {
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return static_cast<uint64_t>(frequency);
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}
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}
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return static_cast<uint64_t>(nanosecondsPerSecond / OSTime::getDeviceTimerResolution());
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}
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bool DeviceTimeDrm::isTimestampsRefreshEnabled() const {
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bool timestampsRefreshEnabled = pDrm->getIoctlHelper()->isTimestampsRefreshEnabled();
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if (debugManager.flags.EnableReusingGpuTimestamps.get() != -1) {
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timestampsRefreshEnabled = debugManager.flags.EnableReusingGpuTimestamps.get();
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}
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return timestampsRefreshEnabled;
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}
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} // namespace NEO
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