drm/i915: No need to wait for eDP power off delay if panel is on

If the panel is powered up, there's no need to delay for the 'off'
interval when turning the panel on.

Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Keith Packard 2011-09-29 16:51:26 -07:00
commit 32ce697c53