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 ‘AMDGPU Glossary’; if you cannot find it anywhere, consider asking in the amdgfx and update this page.
- 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