114 lines
4.2 KiB
C++
114 lines
4.2 KiB
C++
/*
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* Copyright (C) 2018-2020 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/command_stream/preemption.h"
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#include "shared/source/command_stream/preemption.inl"
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namespace NEO {
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using GfxFamily = BDWFamily;
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template <>
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struct PreemptionConfig<GfxFamily> {
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static constexpr uint32_t mmioAddress = 0x2248;
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static constexpr uint32_t maskVal = 0;
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static constexpr uint32_t maskShift = 0;
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static constexpr uint32_t mask = 0;
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static constexpr uint32_t threadGroupVal = 0;
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static constexpr uint32_t cmdLevelVal = (1 << 2);
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static constexpr uint32_t midThreadVal = 0;
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};
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template <>
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void PreemptionHelper::programCmdStream<GfxFamily>(LinearStream &cmdStream, PreemptionMode newPreemptionMode, PreemptionMode oldPreemptionMode,
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GraphicsAllocation *preemptionCsr) {
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if (newPreemptionMode == oldPreemptionMode) {
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return;
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}
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uint32_t regVal = 0;
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if (newPreemptionMode == PreemptionMode::ThreadGroup) {
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regVal = PreemptionConfig<GfxFamily>::threadGroupVal;
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} else {
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regVal = PreemptionConfig<GfxFamily>::cmdLevelVal;
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}
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LriHelper<GfxFamily>::program(&cmdStream, PreemptionConfig<GfxFamily>::mmioAddress, regVal, false);
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}
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template <>
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size_t PreemptionHelper::getRequiredPreambleSize<GfxFamily>(const Device &device) {
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return 0;
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}
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template <>
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size_t PreemptionHelper::getRequiredStateSipCmdSize<GfxFamily>(const Device &device) {
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return 0;
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}
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template <>
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void PreemptionHelper::programCsrBaseAddress<GfxFamily>(LinearStream &preambleCmdStream, Device &device, const GraphicsAllocation *preemptionCsr) {
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}
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template <>
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void PreemptionHelper::programStateSip<GfxFamily>(LinearStream &preambleCmdStream, Device &device) {
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}
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template <>
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size_t PreemptionHelper::getPreemptionWaCsSize<GfxFamily>(const Device &device) {
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typedef typename GfxFamily::MI_LOAD_REGISTER_IMM MI_LOAD_REGISTER_IMM;
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size_t size = 0;
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PreemptionMode preemptionMode = device.getPreemptionMode();
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if (preemptionMode == PreemptionMode::ThreadGroup ||
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preemptionMode == PreemptionMode::MidThread) {
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if (device.getHardwareInfo().workaroundTable.waModifyVFEStateAfterGPGPUPreemption) {
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size += 2 * sizeof(MI_LOAD_REGISTER_IMM);
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}
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}
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return size;
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}
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template <>
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void PreemptionHelper::applyPreemptionWaCmdsBegin<GfxFamily>(LinearStream *pCommandStream, const Device &device) {
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typedef typename GfxFamily::MI_LOAD_REGISTER_IMM MI_LOAD_REGISTER_IMM;
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PreemptionMode preemptionMode = device.getPreemptionMode();
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if (preemptionMode == PreemptionMode::ThreadGroup ||
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preemptionMode == PreemptionMode::MidThread) {
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if (device.getHardwareInfo().workaroundTable.waModifyVFEStateAfterGPGPUPreemption) {
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auto pCmd = reinterpret_cast<MI_LOAD_REGISTER_IMM *>(pCommandStream->getSpace(sizeof(MI_LOAD_REGISTER_IMM)));
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MI_LOAD_REGISTER_IMM cmd = GfxFamily::cmdInitLoadRegisterImm;
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cmd.setRegisterOffset(CS_GPR_R0);
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cmd.setDataDword(GPGPU_WALKER_COOKIE_VALUE_BEFORE_WALKER);
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*pCmd = cmd;
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}
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}
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}
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template <>
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void PreemptionHelper::applyPreemptionWaCmdsEnd<GfxFamily>(LinearStream *pCommandStream, const Device &device) {
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typedef typename GfxFamily::MI_LOAD_REGISTER_IMM MI_LOAD_REGISTER_IMM;
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PreemptionMode preemptionMode = device.getPreemptionMode();
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if (preemptionMode == PreemptionMode::ThreadGroup ||
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preemptionMode == PreemptionMode::MidThread) {
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if (device.getHardwareInfo().workaroundTable.waModifyVFEStateAfterGPGPUPreemption) {
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auto pCmd = reinterpret_cast<MI_LOAD_REGISTER_IMM *>(pCommandStream->getSpace(sizeof(MI_LOAD_REGISTER_IMM)));
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MI_LOAD_REGISTER_IMM cmd = GfxFamily::cmdInitLoadRegisterImm;
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cmd.setRegisterOffset(CS_GPR_R0);
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cmd.setDataDword(GPGPU_WALKER_COOKIE_VALUE_AFTER_WALKER);
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*pCmd = cmd;
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}
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}
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}
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template <>
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void PreemptionHelper::programInterfaceDescriptorDataPreemption<GfxFamily>(INTERFACE_DESCRIPTOR_DATA<GfxFamily> *idd, PreemptionMode preemptionMode) {
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}
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template size_t PreemptionHelper::getRequiredCmdStreamSize<GfxFamily>(PreemptionMode newPreemptionMode, PreemptionMode oldPreemptionMode);
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} // namespace NEO
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