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1===========2DC Glossary3===========4 5On this page, we try to keep track of acronyms related to the display6component. If you do not find what you are looking for, look at the7'Documentation/gpu/amdgpu/amdgpu-glossary.rst'; if you cannot find it anywhere,8consider asking in the amdgfx and update this page.9 10.. glossary::11 12 ABM13 Adaptive Backlight Modulation14 15 APU16 Accelerated Processing Unit17 18 ASIC19 Application-Specific Integrated Circuit20 21 ASSR22 Alternate Scrambler Seed Reset23 24 AZ25 Azalia (HD audio DMA engine)26 27 BPC28 Bits Per Colour/Component29 30 BPP31 Bits Per Pixel32 33 Clocks34 * PCLK: Pixel Clock35 * SYMCLK: Symbol Clock36 * SOCCLK: GPU Engine Clock37 * DISPCLK: Display Clock38 * DPPCLK: DPP Clock39 * DCFCLK: Display Controller Fabric Clock40 * REFCLK: Real Time Reference Clock41 * PPLL: Pixel PLL42 * FCLK: Fabric Clock43 * MCLK: Memory Clock44 45 CRC46 Cyclic Redundancy Check47 48 CRTC49 Cathode Ray Tube Controller - commonly called "Controller" - Generates50 raw stream of pixels, clocked at pixel clock51 52 CVT53 Coordinated Video Timings54 55 DAL56 Display Abstraction layer57 58 DC (Software)59 Display Core60 61 DC (Hardware)62 Display Controller63 64 DCC65 Delta Colour Compression66 67 DCE68 Display Controller Engine69 70 DCHUB71 Display Controller HUB72 73 ARB74 Arbiter75 76 VTG77 Vertical Timing Generator78 79 DCN80 Display Core Next81 82 DCCG83 Display Clock Generator block84 85 DDC86 Display Data Channel87 88 DIO89 Display IO90 91 DPP92 Display Pipes and Planes93 94 DSC95 Display Stream Compression (Reduce the amount of bits to represent pixel96 count while at the same pixel clock)97 98 dGPU99 discrete GPU100 101 DMIF102 Display Memory Interface103 104 DML105 Display Mode Library106 107 DMCU108 Display Micro-Controller Unit109 110 DMCUB111 Display Micro-Controller Unit, version B112 113 DPCD114 DisplayPort Configuration Data115 116 DPM(S)117 Display Power Management (Signaling)118 119 DRR120 Dynamic Refresh Rate121 122 DWB123 Display Writeback124 125 FB126 Frame Buffer127 128 FBC129 Frame Buffer Compression130 131 FEC132 Forward Error Correction133 134 FRL135 Fixed Rate Link136 137 GCO138 Graphical Controller Object139 140 GSL141 Global Swap Lock142 143 iGPU144 integrated GPU145 146 ISR147 Interrupt Service Request148 149 ISV150 Independent Software Vendor151 152 KMD153 Kernel Mode Driver154 155 LB156 Line Buffer157 158 LFC159 Low Framerate Compensation160 161 LTTPR162 Link Training Tunable Phy Repeater163 164 LUT165 Lookup Table166 167 MALL168 Memory Access at Last Level169 170 MC171 Memory Controller172 173 MPC/MPCC174 Multiple pipes and plane combine175 176 MPO177 Multi Plane Overlay178 179 MST180 Multi Stream Transport181 182 NBP State183 Northbridge Power State184 185 NBIO186 North Bridge Input/Output187 188 ODM189 Output Data Mapping190 191 OPM192 Output Protection Manager193 194 OPP195 Output Plane Processor196 197 OPTC198 Output Pipe Timing Combiner199 200 OTG201 Output Timing Generator202 203 PCON204 Power Controller205 206 PGFSM207 Power Gate Finite State Machine208 209 PSR210 Panel Self Refresh211 212 SCL213 Scaler214 215 SDP216 Scalable Data Port217 218 SLS219 Single Large Surface220 221 SST222 Single Stream Transport223 224 TMDS225 Transition-Minimized Differential Signaling226 227 TMZ228 Trusted Memory Zone229 230 TTU231 Time to Underflow232 233 VRR234 Variable Refresh Rate235 236 UVD237 Unified Video Decoder238