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7e56a8303a
Source location of Linux kernel DRM/i915 interface headers: https://repositories.intel.com/graphics/kernel-api/index.html Related-To: NEO-4744 Change-Id: I08a9ab651d8594e9a04d6a83dc48682d4fa53702 Signed-off-by: Slawomir Milczarek <slawomir.milczarek@intel.com>
53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
/*
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* Copyright (C) 2020 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/drm_engine_mapper.h"
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#include "shared/source/os_interface/linux/memory_info_impl.h"
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#include "drm_neo.h"
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#include <fstream>
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namespace NEO {
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int Drm::getMaxGpuFrequency(HardwareInfo &hwInfo, int &maxGpuFrequency) {
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maxGpuFrequency = 0;
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std::string clockSysFsPath = getSysFsPciPath();
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clockSysFsPath += "/gt_max_freq_mhz";
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std::ifstream ifs(clockSysFsPath.c_str(), std::ifstream::in);
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if (ifs.fail()) {
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return -1;
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}
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ifs >> maxGpuFrequency;
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ifs.close();
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return 0;
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}
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bool Drm::queryEngineInfo() {
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return true;
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}
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bool Drm::queryMemoryInfo() {
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auto length = 0;
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auto dataQuery = this->query(DRM_I915_QUERY_MEMORY_REGIONS, length);
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auto data = reinterpret_cast<drm_i915_query_memory_regions *>(dataQuery.get());
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if (data) {
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this->memoryInfo.reset(new MemoryInfoImpl(data->regions, data->num_regions));
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return true;
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}
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return false;
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}
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unsigned int Drm::bindDrmContext(uint32_t drmContextId, uint32_t deviceIndex, aub_stream::EngineType engineType) {
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return DrmEngineMapper::engineNodeMap(engineType);
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}
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} // namespace NEO
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