- Current blanking code forces +ve (h|v)sync. Correct, match 2.4
  behaviour, and introduce VESA constants for clarity.
Signed-off-by: Jim Hague <jim.hague@acm.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>