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===========
DC Glossary
===========
On this page, we try to keep track of acronyms related to the display
component. If you do not find what you are looking for, look at the
'Documentation/gpu/amdgpu/amdgpu-glossary.rst'; if you cannot find it anywhere,
consider asking in the amdgfx and update this page.
.. glossary::
ABM
Adaptive Backlight Modulation
APU
Accelerated Processing Unit
ASIC
Application-Specific Integrated Circuit
ASSR
Alternate Scrambler Seed Reset
AZ
Azalia (HD audio DMA engine)
BPC
Bits Per Colour/Component
BPP
Bits Per Pixel
Clocks
* PCLK: Pixel Clock
* SYMCLK: Symbol Clock
* SOCCLK: GPU Engine Clock
* DISPCLK: Display Clock
* DPPCLK: DPP Clock
* DCFCLK: Display Controller Fabric Clock
* REFCLK: Real Time Reference Clock
* PPLL: Pixel PLL
* FCLK: Fabric Clock
* MCLK: Memory Clock
CRC
Cyclic Redundancy Check
CRTC
Cathode Ray Tube Controller - commonly called "Controller" - Generates
raw stream of pixels, clocked at pixel clock
CVT
Coordinated Video Timings
DAL
Display Abstraction layer
DC (Software)
Display Core
DC (Hardware)
Display Controller
DCC
Delta Colour Compression
DCE
Display Controller Engine
DCHUB
Display Controller HUB
ARB
Arbiter
VTG
Vertical Timing Generator
DCN
Display Core Next
DCCG
Display Clock Generator block
DDC
Display Data Channel
DIO
Display IO
DPP
Display Pipes and Planes
DSC
Display Stream Compression (Reduce the amount of bits to represent pixel
count while at the same pixel clock)
dGPU
discrete GPU
DMIF
Display Memory Interface
DML
Display Mode Library
DMCU
Display Micro-Controller Unit
DMCUB
Display Micro-Controller Unit, version B
DPCD
DisplayPort Configuration Data
DPM(S)
Display Power Management (Signaling)
DRR
Dynamic Refresh Rate
DWB
Display Writeback
FB
Frame Buffer
FBC
Frame Buffer Compression
FEC
Forward Error Correction
FRL
Fixed Rate Link
GCO
Graphical Controller Object
GSL
Global Swap Lock
iGPU
integrated GPU
ISR
Interrupt Service Request
ISV
Independent Software Vendor
KMD
Kernel Mode Driver
LB
Line Buffer
LFC
Low Framerate Compensation
LTTPR
Link Training Tunable Phy Repeater
LUT
Lookup Table
MALL
Memory Access at Last Level
MC
Memory Controller
MPC
Multiple pipes and plane combine
MPO
Multi Plane Overlay
MST
Multi Stream Transport
NBP State
Northbridge Power State
NBIO
North Bridge Input/Output
ODM
Output Data Mapping
OPM
Output Protection Manager
OPP
Output Plane Processor
OPTC
Output Pipe Timing Combiner
OTG
Output Timing Generator
PCON
Power Controller
PGFSM
Power Gate Finite State Machine
PSR
Panel Self Refresh
SCL
Scaler
SDP
Scalable Data Port
SLS
Single Large Surface
SST
Single Stream Transport
TMDS
Transition-Minimized Differential Signaling
TMZ
Trusted Memory Zone
TTU
Time to Underflow
VRR
Variable Refresh Rate
UVD
Unified Video Decoder
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