drm/i915: don't write TU size to N1 reg

TU size is only part of the M1 and M2 regs, not the N regs.  This keeps
us from overwriting a reserved field.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Jesse Barnes 2010-09-10 11:22:02 -07:00 • committed by Chris Wilson
commit de9c27bf70