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/MPCC¶
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