39.5.16 GFX2D Ring Buffer Tail Register

Name: GFX2D_TAIL
Offset: 0x3C
Reset: 0x00000000
Property: Read/Write

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
       TAIL[9:8] 
Access R/WR/W 
Reset 00 
Bit 76543210 
 TAIL[7:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 00000000 

Bits 9:0 – TAIL[9:0] Ring Buffer Tail Pointer

The TAIL pointer is updated by the graphics engine in Functional mode to indicate how many words have been consumed.