compute-runtime/shared/source/gen12lp/preamble_gen12lp.cpp

/*
 * Copyright (C) 2019-2020 Intel Corporation
 *
 * SPDX-License-Identifier: MIT
 *
 */

#include "shared/source/command_stream/csr_definitions.h"
#include "shared/source/gen12lp/helpers_gen12lp.h"
#include "shared/source/helpers/engine_node_helper.h"
#include "shared/source/helpers/preamble_bdw_plus.inl"

#include "pipe_control_args.h"
#include "reg_configs_common.h"

namespace NEO {

template <>
uint32_t PreambleHelper<TGLLPFamily>::getL3Config(const HardwareInfo &hwInfo, bool useSLM) {
    uint32_t l3Config = 0;

    switch (hwInfo.platform.eProductFamily) {
    case IGFX_TIGERLAKE_LP:
        l3Config = getL3ConfigHelper<IGFX_TIGERLAKE_LP>(useSLM);
        break;
    default:
        l3Config = getL3ConfigHelper<IGFX_TIGERLAKE_LP>(true);
    }
    return l3Config;
}

template <>
void PreambleHelper<TGLLPFamily>::programPipelineSelect(LinearStream *pCommandStream,
                                                        const PipelineSelectArgs &pipelineSelectArgs,
                                                        const HardwareInfo &hwInfo) {

    using PIPELINE_SELECT = typename TGLLPFamily::PIPELINE_SELECT;

    if (MemorySynchronizationCommands<TGLLPFamily>::isPipeControlPriorToPipelineSelectWArequired(hwInfo)) {
        PipeControlArgs args;
        args.renderTargetCacheFlushEnable = true;
        MemorySynchronizationCommands<TGLLPFamily>::addPipeControl(*pCommandStream, args);
    }

    auto pCmd = pCommandStream->getSpaceForCmd<PIPELINE_SELECT>();
    PIPELINE_SELECT cmd = TGLLPFamily::cmdInitPipelineSelect;

    auto mask = pipelineSelectEnablePipelineSelectMaskBits | pipelineSelectMediaSamplerDopClockGateMaskBits;
    auto pipeline = pipelineSelectArgs.is3DPipelineRequired ? PIPELINE_SELECT::PIPELINE_SELECTION_3D : PIPELINE_SELECT::PIPELINE_SELECTION_GPGPU;

    cmd.setMaskBits(mask);
    cmd.setPipelineSelection(pipeline);
    cmd.setMediaSamplerDopClockGateEnable(!pipelineSelectArgs.mediaSamplerRequired);

    Gen12LPHelpers::setAdditionalPipelineSelectFields(&cmd, pipelineSelectArgs, hwInfo);

    *pCmd = cmd;
}

template <>
void PreambleHelper<TGLLPFamily>::addPipeControlBeforeVfeCmd(LinearStream *pCommandStream, const HardwareInfo *hwInfo, aub_stream::EngineType engineType) {
    auto pipeControl = pCommandStream->getSpaceForCmd<PIPE_CONTROL>();
    PIPE_CONTROL cmd = TGLLPFamily::cmdInitPipeControl;
    cmd.setCommandStreamerStallEnable(true);
    if (hwInfo->workaroundTable.waSendMIFLUSHBeforeVFE) {
        if (!EngineHelpers::isCcs(engineType)) {
            cmd.setRenderTargetCacheFlushEnable(true);
            cmd.setDepthCacheFlushEnable(true);
            cmd.setDepthStallEnable(true);
        }
        cmd.setDcFlushEnable(true);
    }
    *pipeControl = cmd;
}

template <>
void PreambleHelper<TGLLPFamily>::programL3(LinearStream *pCommandStream, uint32_t l3Config) {
}

template <>
uint32_t PreambleHelper<TGLLPFamily>::getUrbEntryAllocationSize() {
    return 1024u;
}

template <>
void PreambleHelper<TGLLPFamily>::programAdditionalFieldsInVfeState(VFE_STATE_TYPE *mediaVfeState, const HardwareInfo &hwInfo) {
    auto &hwHelper = HwHelper::get(hwInfo.platform.eRenderCoreFamily);
    if (!hwHelper.isFusedEuDispatchEnabled(hwInfo)) {
        mediaVfeState->setDisableSlice0Subslice2(true);
    }
}

// Explicitly instantiate PreambleHelper for TGLLP device family
template struct PreambleHelper<TGLLPFamily>;
} // namespace NEO