compute-runtime/runtime/gen9/gpgpu_walker.cpp

72 lines
3.4 KiB
C++

/*
* Copyright (c) 2018, Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "runtime/gen9/hw_cmds_base.h"
#include "runtime/command_queue/gpgpu_walker.h"
#include "runtime/command_queue/gpgpu_walker.inl"
namespace OCLRT {
template <>
void GpgpuWalkerHelper<SKLFamily>::applyWADisableLSQCROPERFforOCL(OCLRT::LinearStream *pCommandStream, const Kernel &kernel, bool disablePerfMode) {
if (disablePerfMode) {
if (kernel.getKernelInfo().patchInfo.executionEnvironment->UsesFencesForReadWriteImages) {
// Set bit L3SQC_BIT_LQSC_RO_PERF_DIS in L3SQC_REG4
GpgpuWalkerHelper<SKLFamily>::addAluReadModifyWriteRegister(pCommandStream, L3SQC_REG4, ALU_OPCODE_OR, L3SQC_BIT_LQSC_RO_PERF_DIS);
}
} else {
if (kernel.getKernelInfo().patchInfo.executionEnvironment->UsesFencesForReadWriteImages) {
// Add PIPE_CONTROL with CS_Stall to wait till GPU finishes its work
typedef typename SKLFamily::PIPE_CONTROL PIPE_CONTROL;
auto pCmd = reinterpret_cast<PIPE_CONTROL *>(pCommandStream->getSpace(sizeof(PIPE_CONTROL)));
*pCmd = PIPE_CONTROL::sInit();
pCmd->setCommandStreamerStallEnable(true);
// Clear bit L3SQC_BIT_LQSC_RO_PERF_DIS in L3SQC_REG4
GpgpuWalkerHelper<SKLFamily>::addAluReadModifyWriteRegister(pCommandStream, L3SQC_REG4, ALU_OPCODE_AND, ~L3SQC_BIT_LQSC_RO_PERF_DIS);
}
}
}
template <>
size_t GpgpuWalkerHelper<SKLFamily>::getSizeForWADisableLSQCROPERFforOCL(const Kernel *pKernel) {
typedef typename SKLFamily::MI_LOAD_REGISTER_REG MI_LOAD_REGISTER_REG;
typedef typename SKLFamily::MI_LOAD_REGISTER_IMM MI_LOAD_REGISTER_IMM;
typedef typename SKLFamily::PIPE_CONTROL PIPE_CONTROL;
typedef typename SKLFamily::MI_MATH MI_MATH;
typedef typename SKLFamily::MI_MATH_ALU_INST_INLINE MI_MATH_ALU_INST_INLINE;
size_t n = 0;
if ((pKernel != nullptr) && pKernel->getKernelInfo().patchInfo.executionEnvironment->UsesFencesForReadWriteImages) {
n += sizeof(PIPE_CONTROL) +
(2 * sizeof(MI_LOAD_REGISTER_REG) +
sizeof(MI_LOAD_REGISTER_IMM) +
sizeof(PIPE_CONTROL) +
sizeof(MI_MATH) +
NUM_ALU_INST_FOR_READ_MODIFY_WRITE * sizeof(MI_MATH_ALU_INST_INLINE)) *
2; // For 2 WADisableLSQCROPERFforOCL WAs
}
return n;
}
template class GpgpuWalkerHelper<SKLFamily>;
} // namespace OCLRT