1 /*
2 * Copyright (c) 2014-2017, Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22 //! \file mhw_render_legacy.c
23 //! \brief MHW interface for constructing commands for the render engine
24 //! \details Impelements the functionalities common across all platforms for MHW_RENDER
25 //!
26
27 #include "mhw_render_legacy.h"
28
29 //!
30 //! \brief Allocates the MHW render interface internal parameters
31 //! \details Internal MHW function to allocate all parameters needed for the
32 //! render interface including the state heap interface
33 //! \param MHW_STATE_HEAP_SETTINGS stateHeapSettings
34 //! [in] Setting used to initialize the state heap interface
35 //! \return MOS_STATUS
36 //! MOS_STATUS_SUCCESS if success, else fail reason
37 //!
AllocateHeaps(MHW_STATE_HEAP_SETTINGS stateHeapSettings)38 MOS_STATUS MhwRenderInterface::AllocateHeaps(
39 MHW_STATE_HEAP_SETTINGS stateHeapSettings)
40 {
41 MOS_STATUS eStatus = MOS_STATUS_SUCCESS;
42
43 MHW_FUNCTION_ENTER;
44
45 MHW_MI_CHK_NULL(m_stateHeapInterface);
46
47 if ((stateHeapSettings.dwIshSize > 0 ||
48 stateHeapSettings.dwDshSize > 0 ) &&
49 stateHeapSettings.dwNumSyncTags > 0)
50 {
51 MHW_MI_CHK_STATUS(m_stateHeapInterface->pfnCreate(
52 &m_stateHeapInterface,
53 stateHeapSettings));
54 }
55
56 return eStatus;
57 }
58
InitPlatformCaps(MEDIA_SYSTEM_INFO * gtSystemInfo)59 void MhwRenderInterface::InitPlatformCaps(
60 MEDIA_SYSTEM_INFO *gtSystemInfo)
61 {
62 if (gtSystemInfo == nullptr)
63 {
64 MHW_ASSERTMESSAGE("Invalid input pointer provided");
65 return;
66 }
67
68 MOS_ZeroMemory(&m_hwCaps, sizeof(MHW_RENDER_ENGINE_CAPS));
69
70 m_hwCaps.dwMaxUnormSamplers = MHW_RENDER_ENGINE_SAMPLERS_MAX;
71 m_hwCaps.dwMaxAVSSamplers = MHW_RENDER_ENGINE_SAMPLERS_AVS_MAX;
72 m_hwCaps.dwMaxBTIndex = MHW_RENDER_ENGINE_SSH_SURFACES_PER_BT_MAX - 1;
73 m_hwCaps.dwMaxThreads = gtSystemInfo->ThreadCount;
74 m_hwCaps.dwMaxMediaPayloadSize = MHW_RENDER_ENGINE_MEDIA_PALOAD_SIZE_MAX;
75 m_hwCaps.dwMaxURBSize = MHW_RENDER_ENGINE_URB_SIZE_MAX;
76 m_hwCaps.dwMaxURBEntries = MHW_RENDER_ENGINE_URB_ENTRIES_MAX;
77 m_hwCaps.dwMaxSubslice = gtSystemInfo->MaxSubSlicesSupported;
78 m_hwCaps.dwMaxEUIndex = MHW_RENDER_ENGINE_EU_INDEX_MAX;
79 m_hwCaps.dwNumThreadsPerEU = (gtSystemInfo->EUCount > 0) ?
80 gtSystemInfo->ThreadCount / gtSystemInfo->EUCount : 0;
81 m_hwCaps.dwSizeRegistersPerThread = MHW_RENDER_ENGINE_SIZE_REGISTERS_PER_THREAD;
82
83 m_hwCaps.dwMaxInterfaceDescriptorEntries = MHW_RENDER_ENGINE_INTERFACE_DESCRIPTOR_ENTRIES_MAX;
84 m_hwCaps.dwMaxURBEntryAllocationSize =
85 m_hwCaps.dwMaxCURBEAllocationSize =
86 m_hwCaps.dwMaxURBSize - m_hwCaps.dwMaxInterfaceDescriptorEntries;
87 }
88
InitPreemption()89 void MhwRenderInterface::InitPreemption()
90 {
91 auto m_skuTable = m_osInterface->pfnGetSkuTable(m_osInterface);
92 auto waTable = m_osInterface->pfnGetWaTable(m_osInterface);
93
94 if (m_skuTable == nullptr || waTable == nullptr)
95 {
96 MHW_ASSERTMESSAGE("Invalid SKU or WA table acquired");
97 return;
98 }
99
100 if (MEDIA_IS_SKU(m_skuTable, FtrMediaThreadGroupLevelPreempt) ||
101 MEDIA_IS_SKU(m_skuTable, FtrMediaMidBatchPreempt))
102 {
103 m_preemptionEnabled = true;
104
105 #if (_DEBUG || _RELEASE_INTERNAL)
106 MOS_USER_FEATURE_VALUE_DATA UserFeatureData;
107 MOS_ZeroMemory(&UserFeatureData, sizeof(UserFeatureData));
108 MOS_UserFeature_ReadValue_ID(
109 nullptr,
110 __MEDIA_USER_FEATURE_VALUE_MEDIA_PREEMPTION_ENABLE_ID,
111 &UserFeatureData,
112 m_osInterface->pOsContext);
113 m_preemptionEnabled = (UserFeatureData.i32Data) ? true : false;
114 #endif
115 }
116
117 if (MEDIA_IS_SKU(m_skuTable, FtrPerCtxtPreemptionGranularityControl))
118 {
119 m_preemptionCntlRegisterOffset = MHW_RENDER_ENGINE_PREEMPTION_CONTROL_OFFSET;
120
121 if (MEDIA_IS_SKU(m_skuTable, FtrMediaMidThreadLevelPreempt))
122 {
123 m_preemptionCntlRegisterValue = MHW_RENDER_ENGINE_MID_THREAD_PREEMPT_VALUE;
124 }
125 else if (MEDIA_IS_SKU(m_skuTable, FtrMediaThreadGroupLevelPreempt))
126 {
127 m_preemptionCntlRegisterValue = MHW_RENDER_ENGINE_THREAD_GROUP_PREEMPT_VALUE;
128 }
129 else if (MEDIA_IS_SKU(m_skuTable, FtrMediaMidBatchPreempt))
130 {
131 m_preemptionCntlRegisterValue = MHW_RENDER_ENGINE_MID_BATCH_PREEMPT_VALUE;
132 }
133
134 // Set it to Mid Batch Pre-emption level (command level) to avoid render engine hang after preemption is turned on in ring buffer
135 if (MEDIA_IS_WA(waTable, WaMidBatchPreemption))
136 {
137 m_preemptionCntlRegisterValue = MHW_RENDER_ENGINE_MID_BATCH_PREEMPT_VALUE;
138 }
139 }
140 }
141
EnablePreemption(PMOS_COMMAND_BUFFER cmdBuffer)142 MOS_STATUS MhwRenderInterface::EnablePreemption(
143 PMOS_COMMAND_BUFFER cmdBuffer)
144 {
145 MOS_STATUS eStatus = MOS_STATUS_SUCCESS;
146
147 MHW_MI_CHK_NULL(cmdBuffer);
148 MHW_MI_CHK_NULL(m_osInterface);
149 MHW_MI_CHK_NULL(m_miInterface);
150
151 MEDIA_FEATURE_TABLE *m_skuTable = m_osInterface->pfnGetSkuTable(m_osInterface);
152 MHW_MI_CHK_NULL(m_skuTable);
153
154 if (MEDIA_IS_SKU(m_skuTable, FtrPerCtxtPreemptionGranularityControl))
155 {
156 MHW_MI_LOAD_REGISTER_IMM_PARAMS loadRegisterParams;
157 MOS_ZeroMemory(&loadRegisterParams, sizeof(loadRegisterParams));
158 loadRegisterParams.dwRegister = m_preemptionCntlRegisterOffset;
159 loadRegisterParams.dwData = m_preemptionCntlRegisterValue;
160 MHW_MI_CHK_STATUS(m_miInterface->AddMiLoadRegisterImmCmd(cmdBuffer, &loadRegisterParams));
161 }
162
163 return eStatus;
164 }
165