- one write per scan line + sync + jump (all 2 dwords). padding
- can cause next bpl to start close to a page border. First DMA
- region may be smaller than PAGE_SIZE */
- instructions = 1 + ((bpl + padding) * lines) / PAGE_SIZE + lines;
+ one write per scan line + sync + jump (all 2 dwords) */
+ instructions = (bpl * lines) / PAGE_SIZE + lines;