1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/*
* Copyright (C) 2019-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/command_stream/csr_definitions.h"
#include "shared/source/command_stream/stream_properties.h"
#include "shared/source/execution_environment/root_device_environment.h"
#include "shared/source/gen12lp/hw_cmds_base.h"
#include "shared/source/helpers/flat_batch_buffer_helper.h"
#include "shared/source/helpers/hw_info.h"
#include "shared/source/helpers/pipe_control_args.h"
#include "shared/source/helpers/pipeline_select_helper.h"
#include "shared/source/helpers/preamble_base.inl"
namespace NEO {
using Family = Gen12LpFamily;
template <typename GfxFamily>
void *PreambleHelper<GfxFamily>::getSpaceForVfeState(LinearStream *pCommandStream,
const HardwareInfo &hwInfo,
EngineGroupType engineGroupType,
uint64_t *cmdBufferGpuAddress) {
using MEDIA_VFE_STATE = typename GfxFamily::MEDIA_VFE_STATE;
addPipeControlBeforeVfeCmd(pCommandStream, &hwInfo, engineGroupType);
void *cmdPtr = pCommandStream->getSpaceForCmd<MEDIA_VFE_STATE>();
if (cmdBufferGpuAddress) {
*cmdBufferGpuAddress = (pCommandStream->getCurrentGpuAddressPosition() - sizeof(MEDIA_VFE_STATE));
}
return cmdPtr;
}
template <typename GfxFamily>
void PreambleHelper<GfxFamily>::programVfeState(void *pVfeState,
const RootDeviceEnvironment &rootDeviceEnvironment,
uint32_t scratchSize,
uint64_t scratchAddress,
uint32_t maxFrontEndThreads,
const StreamProperties &streamProperties) {
using MEDIA_VFE_STATE = typename GfxFamily::MEDIA_VFE_STATE;
auto pMediaVfeState = reinterpret_cast<MEDIA_VFE_STATE *>(pVfeState);
MEDIA_VFE_STATE cmd = GfxFamily::cmdInitMediaVfeState;
cmd.setMaximumNumberOfThreads(maxFrontEndThreads);
cmd.setNumberOfUrbEntries(1);
cmd.setUrbEntryAllocationSize(PreambleHelper<GfxFamily>::getUrbEntryAllocationSize());
cmd.setPerThreadScratchSpace(PreambleHelper<GfxFamily>::getScratchSizeValueToProgramMediaVfeState(scratchSize));
cmd.setStackSize(PreambleHelper<GfxFamily>::getScratchSizeValueToProgramMediaVfeState(scratchSize));
uint32_t lowAddress = static_cast<uint32_t>(0xFFFFFFFF & scratchAddress);
uint32_t highAddress = static_cast<uint32_t>(0xFFFFFFFF & (scratchAddress >> 32));
cmd.setScratchSpaceBasePointer(lowAddress);
cmd.setScratchSpaceBasePointerHigh(highAddress);
appendProgramVFEState(rootDeviceEnvironment, streamProperties, &cmd);
*pMediaVfeState = cmd;
}
template <typename GfxFamily>
uint64_t PreambleHelper<GfxFamily>::getScratchSpaceAddressOffsetForVfeState(LinearStream *pCommandStream, void *pVfeState) {
using MEDIA_VFE_STATE = typename GfxFamily::MEDIA_VFE_STATE;
return static_cast<uint64_t>(reinterpret_cast<uintptr_t>(pVfeState) -
reinterpret_cast<uintptr_t>(pCommandStream->getCpuBase()) +
MEDIA_VFE_STATE::PATCH_CONSTANTS::SCRATCHSPACEBASEPOINTER_BYTEOFFSET);
}
template <typename GfxFamily>
size_t PreambleHelper<GfxFamily>::getVFECommandsSize() {
using MEDIA_VFE_STATE = typename GfxFamily::MEDIA_VFE_STATE;
return sizeof(MEDIA_VFE_STATE) + sizeof(PIPE_CONTROL);
}
template <typename GfxFamily>
void PreambleHelper<GfxFamily>::setSingleSliceDispatchMode(void *cmd, bool enable) {
}
template <>
uint32_t PreambleHelper<Family>::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<Family>::programPipelineSelect(LinearStream *pCommandStream,
const PipelineSelectArgs &pipelineSelectArgs,
const RootDeviceEnvironment &rootDeviceEnvironment) {
using PIPELINE_SELECT = typename Family::PIPELINE_SELECT;
if (MemorySynchronizationCommands<Family>::isBarrierPriorToPipelineSelectWaRequired(rootDeviceEnvironment)) {
PipeControlArgs args;
args.renderTargetCacheFlushEnable = true;
MemorySynchronizationCommands<Family>::addSingleBarrier(*pCommandStream, args);
}
auto cmdSpace = pCommandStream->getSpaceForCmd<PIPELINE_SELECT>();
PIPELINE_SELECT pipelineSelectCmd = Family::cmdInitPipelineSelect;
auto mask = pipelineSelectEnablePipelineSelectMaskBits | pipelineSelectMediaSamplerDopClockGateMaskBits;
auto pipeline = pipelineSelectArgs.is3DPipelineRequired ? PIPELINE_SELECT::PIPELINE_SELECTION_3D : PIPELINE_SELECT::PIPELINE_SELECTION_GPGPU;
pipelineSelectCmd.setPipelineSelection(pipeline);
pipelineSelectCmd.setMediaSamplerDopClockGateEnable(true);
if (pipelineSelectArgs.systolicPipelineSelectSupport) {
mask |= pipelineSelectSystolicModeEnableMaskBits;
pipelineSelectCmd.setSpecialModeEnable(pipelineSelectArgs.systolicPipelineSelectMode);
}
pipelineSelectCmd.setMaskBits(mask);
*cmdSpace = pipelineSelectCmd;
}
template <>
size_t PreambleHelper<Family>::getCmdSizeForPipelineSelect(const RootDeviceEnvironment &rootDeviceEnvironment) {
size_t size = 0;
using PIPELINE_SELECT = typename Family::PIPELINE_SELECT;
size += sizeof(PIPELINE_SELECT);
if (MemorySynchronizationCommands<Family>::isBarrierPriorToPipelineSelectWaRequired(rootDeviceEnvironment)) {
size += sizeof(PIPE_CONTROL);
}
return size;
}
template <>
void PreambleHelper<Family>::addPipeControlBeforeVfeCmd(LinearStream *pCommandStream, const HardwareInfo *hwInfo, EngineGroupType engineGroupType) {
PipeControlArgs args = {};
if (hwInfo->workaroundTable.flags.waSendMIFLUSHBeforeVFE) {
if (engineGroupType != EngineGroupType::compute) {
args.renderTargetCacheFlushEnable = true;
args.depthCacheFlushEnable = true;
args.depthStallEnable = true;
}
args.dcFlushEnable = true;
}
MemorySynchronizationCommands<Family>::addSingleBarrier(*pCommandStream, args);
}
template <>
void PreambleHelper<Family>::programL3(LinearStream *pCommandStream, uint32_t l3Config, bool isBcs) {
}
template <>
uint32_t PreambleHelper<Family>::getUrbEntryAllocationSize() {
return 1024u;
}
template <>
void PreambleHelper<Family>::appendProgramVFEState(const RootDeviceEnvironment &rootDeviceEnvironment, const StreamProperties &streamProperties, void *cmd) {
using FrontEndStateCommand = typename Family::FrontEndStateCommand;
FrontEndStateCommand *mediaVfeState = static_cast<FrontEndStateCommand *>(cmd);
bool disableEUFusion = streamProperties.frontEndState.disableEUFusion.value == 1;
auto &gfxCoreHelper = rootDeviceEnvironment.getHelper<GfxCoreHelper>();
auto &hwInfo = *rootDeviceEnvironment.getHardwareInfo();
if (!gfxCoreHelper.isFusedEuDispatchEnabled(hwInfo, disableEUFusion)) {
mediaVfeState->setDisableSlice0Subslice2(true);
}
if (debugManager.flags.MediaVfeStateMaxSubSlices.get() != -1) {
mediaVfeState->setMaximumNumberOfDualSubslices(debugManager.flags.MediaVfeStateMaxSubSlices.get());
}
}
// Explicitly instantiate PreambleHelper for Gen12Lp device family
template struct PreambleHelper<Family>;
} // namespace NEO
|
