xref: /linux/Documentation/gpu/amdgpu/amdgpu-glossary.rst (revision da1d9caf95def6f0320819cf941c9fd1069ba9e1)
1===============
2AMDGPU Glossary
3===============
4
5Here you can find some generic acronyms used in the amdgpu driver. Notice that
6we have a dedicated glossary for Display Core at
7'Documentation/gpu/amdgpu/display/dc-glossary.rst'.
8
9.. glossary::
10
11    active_cu_number
12      The number of CUs that are active on the system.  The number of active
13      CUs may be less than SE * SH * CU depending on the board configuration.
14
15    CP
16      Command Processor
17
18    CPLIB
19      Content Protection Library
20
21    CU
22      Compute Unit
23
24    DFS
25      Digital Frequency Synthesizer
26
27    ECP
28      Enhanced Content Protection
29
30    EOP
31      End Of Pipe/Pipeline
32
33    GC
34      Graphics and Compute
35
36    GMC
37      Graphic Memory Controller
38
39    IH
40      Interrupt Handler
41
42    HQD
43      Hardware Queue Descriptor
44
45    IB
46      Indirect Buffer
47
48    IP
49        Intellectual Property blocks
50
51    KCQ
52      Kernel Compute Queue
53
54    KGQ
55      Kernel Graphics Queue
56
57    KIQ
58      Kernel Interface Queue
59
60    MEC
61      MicroEngine Compute
62
63    MES
64      MicroEngine Scheduler
65
66    MMHUB
67      Multi-Media HUB
68
69    MQD
70      Memory Queue Descriptor
71
72    PPLib
73      PowerPlay Library - PowerPlay is the power management component.
74
75    PSP
76        Platform Security Processor
77
78    RCL
79      RunList Controller
80
81    SDMA
82      System DMA
83
84    SE
85      Shader Engine
86
87    SH
88      SHader array
89
90    SMU
91      System Management Unit
92
93    SS
94      Spread Spectrum
95
96    VCE
97      Video Compression Engine
98
99    VCN
100      Video Codec Next
101