compute-runtime/shared/source/dll/linux/drm_neo_create.cpp

134 lines
4.6 KiB
C++

/*
* Copyright (C) 2018-2023 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/execution_environment/execution_environment.h"
#include "shared/source/execution_environment/root_device_environment.h"
#include "shared/source/gmm_helper/gmm_helper.h"
#include "shared/source/helpers/gfx_core_helper.h"
#include "shared/source/helpers/hw_info.h"
#include "shared/source/os_interface/device_factory.h"
#include "shared/source/os_interface/linux/drm_neo.h"
#include "shared/source/os_interface/linux/drm_null_device.h"
#include "hw_cmds.h"
#include <array>
#include <cstdio>
#include <cstring>
#include <memory>
namespace NEO {
const DeviceDescriptor deviceDescriptorTable[] = {
#define NAMEDDEVICE(devId, gt, devName) {devId, &gt::hwInfo, &gt::setupHardwareInfo, devName},
#define DEVICE(devId, gt) {devId, &gt::hwInfo, &gt::setupHardwareInfo, ""},
#include "devices.inl"
#undef DEVICE
#undef NAMEDDEVICE
{0, nullptr, nullptr}};
Drm *Drm::create(std::unique_ptr<HwDeviceIdDrm> &&hwDeviceId, RootDeviceEnvironment &rootDeviceEnvironment) {
std::unique_ptr<Drm> drm;
if (DebugManager.flags.EnableNullHardware.get() == true) {
drm.reset(new DrmNullDevice(std::move(hwDeviceId), rootDeviceEnvironment));
} else {
drm.reset(new Drm(std::move(hwDeviceId), rootDeviceEnvironment));
}
if (!drm->queryDeviceIdAndRevision()) {
return nullptr;
}
auto hwInfo = rootDeviceEnvironment.getMutableHardwareInfo();
if (!DeviceFactory::isAllowedDeviceId(hwInfo->platform.usDeviceID, DebugManager.flags.FilterDeviceId.get())) {
return nullptr;
}
const DeviceDescriptor *deviceDescriptor = nullptr;
const char *deviceName = "";
for (auto &deviceDescriptorEntry : deviceDescriptorTable) {
if (hwInfo->platform.usDeviceID == deviceDescriptorEntry.deviceId) {
deviceDescriptor = &deviceDescriptorEntry;
deviceName = deviceDescriptorEntry.devName;
break;
}
}
int ret = 0;
if (deviceDescriptor) {
ret = drm->setupHardwareInfo(deviceDescriptor, true);
if (ret != 0) {
return nullptr;
}
hwInfo->capabilityTable.deviceName = deviceName;
} else {
printDebugString(DebugManager.flags.PrintDebugMessages.get(), stderr,
"FATAL: Unknown device: deviceId: %04x, revisionId: %04x\n", hwInfo->platform.usDeviceID, hwInfo->platform.usRevId);
return nullptr;
}
// Detect device parameters
int hasExecSoftPin = 0;
ret = drm->getExecSoftPin(hasExecSoftPin);
if (ret != 0) {
printDebugString(DebugManager.flags.PrintDebugMessages.get(), stderr, "%s", "FATAL: Cannot query Soft Pin parameter!\n");
return nullptr;
}
if (!hasExecSoftPin) {
printDebugString(DebugManager.flags.PrintDebugMessages.get(), stderr, "%s",
"FATAL: Device doesn't support Soft-Pin but this is required.\n");
return nullptr;
}
// Activate the Turbo Boost Frequency feature
ret = drm->enableTurboBoost();
if (ret != 0) {
printDebugString(DebugManager.flags.PrintDebugMessages.get(), stderr, "%s", "WARNING: Failed to request OCL Turbo Boost\n");
}
if (!drm->queryMemoryInfo()) {
drm->setPerContextVMRequired(true);
printDebugString(DebugManager.flags.PrintDebugMessages.get(), stderr, "%s", "WARNING: Failed to query memory info\n");
}
if (!drm->queryEngineInfo()) {
drm->setPerContextVMRequired(true);
printDebugString(DebugManager.flags.PrintDebugMessages.get(), stderr, "%s", "WARNING: Failed to query engine info\n");
}
drm->checkContextDebugSupport();
drm->queryPageFaultSupport();
if (rootDeviceEnvironment.executionEnvironment.isDebuggingEnabled()) {
if (drm->isVmBindAvailable()) {
drm->setPerContextVMRequired(true);
} else {
printDebugString(DebugManager.flags.PrintDebugMessages.get(), stderr, "%s", "WARNING: Debugging not supported\n");
}
}
drm->isSetPairAvailable();
if (!drm->isPerContextVMRequired()) {
if (!drm->createVirtualMemoryAddressSpace(GfxCoreHelper::getSubDevicesCount(rootDeviceEnvironment.getHardwareInfo()))) {
printDebugString(DebugManager.flags.PrintDebugMessages.get(), stderr, "%s", "INFO: Device doesn't support GEM Virtual Memory\n");
}
}
drm->queryAdapterBDF();
return drm.release();
}
void Drm::overrideBindSupport(bool &useVmBind) {
if (DebugManager.flags.UseVmBind.get() != -1) {
useVmBind = DebugManager.flags.UseVmBind.get();
}
}
} // namespace NEO