AMDGPU Glossary

Here you can find some generic acronyms used in the amdgpu driver. Notice that we have a dedicated glossary for Display Core at ‘DC Glossary’.

active_cu_number

The number of CUs that are active on the system. The number of active CUs may be less than SE * SH * CU depending on the board configuration.

CP

Command Processor

CPLIB

Content Protection Library

CU

Compute Unit

DFS

Digital Frequency Synthesizer

ECP

Enhanced Content Protection

EOP

End Of Pipe/Pipeline

GC

Graphics and Compute

GMC

Graphic Memory Controller

IH

Interrupt Handler

HQD

Hardware Queue Descriptor

IB

Indirect Buffer

IP

Intellectual Property blocks

KCQ

Kernel Compute Queue

KGQ

Kernel Graphics Queue

KIQ

Kernel Interface Queue

MEC

MicroEngine Compute

MES

MicroEngine Scheduler

MMHUB

Multi-Media HUB

MQD

Memory Queue Descriptor

PPLib

PowerPlay Library - PowerPlay is the power management component.

PSP

Platform Security Processor

RCL

RunList Controller

SDMA

System DMA

SE

Shader Engine

SH

SHader array

SMU

System Management Unit

SS

Spread Spectrum

VCE

Video Compression Engine

VCN

Video Codec Next