compute-runtime/core/gen9/preamble_gen9.cpp

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/*
* Copyright (C) 2017-2019 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "core/helpers/preamble_bdw_plus.inl"
#include "runtime/command_stream/csr_definitions.h"
namespace NEO {
template <>
uint32_t PreambleHelper<SKLFamily>::getL3Config(const HardwareInfo &hwInfo, bool useSLM) {
uint32_t l3Config = 0;
switch (hwInfo.platform.eProductFamily) {
case IGFX_SKYLAKE:
l3Config = getL3ConfigHelper<IGFX_SKYLAKE>(useSLM);
break;
case IGFX_BROXTON:
l3Config = getL3ConfigHelper<IGFX_BROXTON>(useSLM);
break;
default:
l3Config = getL3ConfigHelper<IGFX_SKYLAKE>(true);
}
return l3Config;
}
template <>
bool PreambleHelper<SKLFamily>::isL3Configurable(const HardwareInfo &hwInfo) {
return getL3Config(hwInfo, true) != getL3Config(hwInfo, false);
}
template <>
void PreambleHelper<SKLFamily>::programPipelineSelect(LinearStream *pCommandStream,
const PipelineSelectArgs &pipelineSelectArgs,
const HardwareInfo &hwInfo) {
typedef typename SKLFamily::PIPELINE_SELECT PIPELINE_SELECT;
auto pCmd = (PIPELINE_SELECT *)pCommandStream->getSpace(sizeof(PIPELINE_SELECT));
*pCmd = SKLFamily::cmdInitPipelineSelect;
auto mask = pipelineSelectEnablePipelineSelectMaskBits | pipelineSelectMediaSamplerDopClockGateMaskBits;
pCmd->setMaskBits(mask);
pCmd->setPipelineSelection(PIPELINE_SELECT::PIPELINE_SELECTION_GPGPU);
pCmd->setMediaSamplerDopClockGateEnable(!pipelineSelectArgs.mediaSamplerRequired);
}
template <>
void PreambleHelper<SKLFamily>::addPipeControlBeforeVfeCmd(LinearStream *pCommandStream, const HardwareInfo *hwInfo) {
auto pipeControl = pCommandStream->getSpaceForCmd<PIPE_CONTROL>();
*pipeControl = SKLFamily::cmdInitPipeControl;
pipeControl->setCommandStreamerStallEnable(true);
if (hwInfo->workaroundTable.waSendMIFLUSHBeforeVFE) {
pipeControl->setRenderTargetCacheFlushEnable(true);
pipeControl->setDepthCacheFlushEnable(true);
pipeControl->setDcFlushEnable(true);
}
}
template <>
uint32_t PreambleHelper<SKLFamily>::getDefaultThreadArbitrationPolicy() {
return ThreadArbitrationPolicy::RoundRobin;
}
template <>
void PreambleHelper<SKLFamily>::programThreadArbitration(LinearStream *pCommandStream, uint32_t requiredThreadArbitrationPolicy) {
UNRECOVERABLE_IF(requiredThreadArbitrationPolicy == ThreadArbitrationPolicy::NotPresent);
auto pipeControl = pCommandStream->getSpaceForCmd<PIPE_CONTROL>();
*pipeControl = SKLFamily::cmdInitPipeControl;
pipeControl->setCommandStreamerStallEnable(true);
auto pCmd = pCommandStream->getSpaceForCmd<MI_LOAD_REGISTER_IMM>();
*pCmd = SKLFamily::cmdInitLoadRegisterImm;
pCmd->setRegisterOffset(DebugControlReg2::address);
pCmd->setDataDword(DebugControlReg2::getRegData(requiredThreadArbitrationPolicy));
}
template <>
size_t PreambleHelper<SKLFamily>::getThreadArbitrationCommandsSize() {
return sizeof(MI_LOAD_REGISTER_IMM) + sizeof(PIPE_CONTROL);
}
template struct PreambleHelper<SKLFamily>;
} // namespace NEO