https://docs.amd.com/r/2.4-English/pg278-v-frmbuf/Width-0x0010-Register
Width (0x0010) Register - Width (0x0010) Register - 2.4 English - PG278
The Width register encodes the number of Active Pixels per Scanline. Supported values are between 64 and the value provided in the Maximum Number of Columns...
widthregisterenglish