1 =========== 1 ===========
2 DC Glossary 2 DC Glossary
3 =========== 3 ===========
4 4
5 On this page, we try to keep track of acronyms 5 On this page, we try to keep track of acronyms related to the display
6 component. If you do not find what you are loo 6 component. If you do not find what you are looking for, look at the
7 'Documentation/gpu/amdgpu/amdgpu-glossary.rst' 7 'Documentation/gpu/amdgpu/amdgpu-glossary.rst'; if you cannot find it anywhere,
8 consider asking in the amdgfx and update this 8 consider asking in the amdgfx and update this page.
9 9
10 .. glossary:: 10 .. glossary::
11 11
12 ABM 12 ABM
13 Adaptive Backlight Modulation 13 Adaptive Backlight Modulation
14 14
15 APU 15 APU
16 Accelerated Processing Unit 16 Accelerated Processing Unit
17 17
18 ASIC 18 ASIC
19 Application-Specific Integrated Circuit 19 Application-Specific Integrated Circuit
20 20
21 ASSR 21 ASSR
22 Alternate Scrambler Seed Reset 22 Alternate Scrambler Seed Reset
23 23
24 AZ 24 AZ
25 Azalia (HD audio DMA engine) 25 Azalia (HD audio DMA engine)
26 26
27 BPC 27 BPC
28 Bits Per Colour/Component 28 Bits Per Colour/Component
29 29
30 BPP 30 BPP
31 Bits Per Pixel 31 Bits Per Pixel
32 32
33 Clocks 33 Clocks
34 * PCLK: Pixel Clock 34 * PCLK: Pixel Clock
35 * SYMCLK: Symbol Clock 35 * SYMCLK: Symbol Clock
36 * SOCCLK: GPU Engine Clock 36 * SOCCLK: GPU Engine Clock
37 * DISPCLK: Display Clock 37 * DISPCLK: Display Clock
38 * DPPCLK: DPP Clock 38 * DPPCLK: DPP Clock
39 * DCFCLK: Display Controller Fabric Cloc 39 * DCFCLK: Display Controller Fabric Clock
40 * REFCLK: Real Time Reference Clock 40 * REFCLK: Real Time Reference Clock
41 * PPLL: Pixel PLL 41 * PPLL: Pixel PLL
42 * FCLK: Fabric Clock 42 * FCLK: Fabric Clock
43 * MCLK: Memory Clock 43 * MCLK: Memory Clock
44 44
45 CRC 45 CRC
46 Cyclic Redundancy Check 46 Cyclic Redundancy Check
47 47
48 CRTC 48 CRTC
49 Cathode Ray Tube Controller - commonly c 49 Cathode Ray Tube Controller - commonly called "Controller" - Generates
50 raw stream of pixels, clocked at pixel c 50 raw stream of pixels, clocked at pixel clock
51 51
52 CVT 52 CVT
53 Coordinated Video Timings 53 Coordinated Video Timings
54 54
55 DAL 55 DAL
56 Display Abstraction layer 56 Display Abstraction layer
57 57
58 DC (Software) 58 DC (Software)
59 Display Core 59 Display Core
60 60
61 DC (Hardware) 61 DC (Hardware)
62 Display Controller 62 Display Controller
63 63
64 DCC 64 DCC
65 Delta Colour Compression 65 Delta Colour Compression
66 66
67 DCE 67 DCE
68 Display Controller Engine 68 Display Controller Engine
69 69
70 DCHUB 70 DCHUB
71 Display Controller HUB 71 Display Controller HUB
72 72
73 ARB 73 ARB
74 Arbiter 74 Arbiter
75 75
76 VTG 76 VTG
77 Vertical Timing Generator 77 Vertical Timing Generator
78 78
79 DCN 79 DCN
80 Display Core Next 80 Display Core Next
81 81
82 DCCG 82 DCCG
83 Display Clock Generator block 83 Display Clock Generator block
84 84
85 DDC 85 DDC
86 Display Data Channel 86 Display Data Channel
87 87
88 DIO 88 DIO
89 Display IO 89 Display IO
90 90
91 DPP 91 DPP
92 Display Pipes and Planes 92 Display Pipes and Planes
93 93
94 DSC 94 DSC
95 Display Stream Compression (Reduce the a 95 Display Stream Compression (Reduce the amount of bits to represent pixel
96 count while at the same pixel clock) 96 count while at the same pixel clock)
97 97
98 dGPU 98 dGPU
99 discrete GPU 99 discrete GPU
100 100
101 DMIF 101 DMIF
102 Display Memory Interface 102 Display Memory Interface
103 103
104 DML 104 DML
105 Display Mode Library 105 Display Mode Library
106 106
107 DMCU 107 DMCU
108 Display Micro-Controller Unit 108 Display Micro-Controller Unit
109 109
110 DMCUB 110 DMCUB
111 Display Micro-Controller Unit, version B 111 Display Micro-Controller Unit, version B
112 112
113 DPCD 113 DPCD
114 DisplayPort Configuration Data 114 DisplayPort Configuration Data
115 115
116 DPM(S) 116 DPM(S)
117 Display Power Management (Signaling) 117 Display Power Management (Signaling)
118 118
119 DRR 119 DRR
120 Dynamic Refresh Rate 120 Dynamic Refresh Rate
121 121
122 DWB 122 DWB
123 Display Writeback 123 Display Writeback
124 124
125 FB 125 FB
126 Frame Buffer 126 Frame Buffer
127 127
128 FBC 128 FBC
129 Frame Buffer Compression 129 Frame Buffer Compression
130 130
131 FEC 131 FEC
132 Forward Error Correction 132 Forward Error Correction
133 133
134 FRL 134 FRL
135 Fixed Rate Link 135 Fixed Rate Link
136 136
137 GCO 137 GCO
138 Graphical Controller Object 138 Graphical Controller Object
139 139
140 GSL 140 GSL
141 Global Swap Lock 141 Global Swap Lock
142 142
143 iGPU 143 iGPU
144 integrated GPU 144 integrated GPU
145 145
146 ISR 146 ISR
147 Interrupt Service Request 147 Interrupt Service Request
148 148
149 ISV 149 ISV
150 Independent Software Vendor 150 Independent Software Vendor
151 151
152 KMD 152 KMD
153 Kernel Mode Driver 153 Kernel Mode Driver
154 154
155 LB 155 LB
156 Line Buffer 156 Line Buffer
157 157
158 LFC 158 LFC
159 Low Framerate Compensation 159 Low Framerate Compensation
160 160
161 LTTPR 161 LTTPR
162 Link Training Tunable Phy Repeater 162 Link Training Tunable Phy Repeater
163 163
164 LUT 164 LUT
165 Lookup Table 165 Lookup Table
166 166
167 MALL 167 MALL
168 Memory Access at Last Level 168 Memory Access at Last Level
169 169
170 MC 170 MC
171 Memory Controller 171 Memory Controller
172 172
173 MPC/MPCC 173 MPC/MPCC
174 Multiple pipes and plane combine 174 Multiple pipes and plane combine
175 175
176 MPO 176 MPO
177 Multi Plane Overlay 177 Multi Plane Overlay
178 178
179 MST 179 MST
180 Multi Stream Transport 180 Multi Stream Transport
181 181
182 NBP State 182 NBP State
183 Northbridge Power State 183 Northbridge Power State
184 184
185 NBIO 185 NBIO
186 North Bridge Input/Output 186 North Bridge Input/Output
187 187
188 ODM 188 ODM
189 Output Data Mapping 189 Output Data Mapping
190 190
191 OPM 191 OPM
192 Output Protection Manager 192 Output Protection Manager
193 193
194 OPP 194 OPP
195 Output Plane Processor 195 Output Plane Processor
196 196
197 OPTC 197 OPTC
198 Output Pipe Timing Combiner 198 Output Pipe Timing Combiner
199 199
200 OTG 200 OTG
201 Output Timing Generator 201 Output Timing Generator
202 202
203 PCON 203 PCON
204 Power Controller 204 Power Controller
205 205
206 PGFSM 206 PGFSM
207 Power Gate Finite State Machine 207 Power Gate Finite State Machine
208 208
209 PSR 209 PSR
210 Panel Self Refresh 210 Panel Self Refresh
211 211
212 SCL 212 SCL
213 Scaler 213 Scaler
214 214
215 SDP 215 SDP
216 Scalable Data Port 216 Scalable Data Port
217 217
218 SLS 218 SLS
219 Single Large Surface 219 Single Large Surface
220 220
221 SST 221 SST
222 Single Stream Transport 222 Single Stream Transport
223 223
224 TMDS 224 TMDS
225 Transition-Minimized Differential Signal 225 Transition-Minimized Differential Signaling
226 226
227 TMZ 227 TMZ
228 Trusted Memory Zone 228 Trusted Memory Zone
229 229
230 TTU 230 TTU
231 Time to Underflow 231 Time to Underflow
232 232
233 VRR 233 VRR
234 Variable Refresh Rate 234 Variable Refresh Rate
235 235
236 UVD 236 UVD
237 Unified Video Decoder 237 Unified Video Decoder
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