drm/i915: Only update mode related state if a modeset happened.

The rest will be a noop anyway, since without modeset there will be
no updated dplls and no modeset state to update.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Maarten Lankhorst 2015-08-05 12:37:10 +02:00 • committed by Daniel Vetter
commit 4740b0f2b8