Chris Wilson 74cfd7ac5e drm/i915: Skip modifying PCH DREF if not changing clock sources ...

Modifying the clock sources (via the DREF control on the PCH) is a slow
multi-stage process as we need to let the clocks stabilise between each
stage. If we are not actually changing the clock sources, then we can
return early.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
[danvet: Appease checkpatch by deleting a space after a ~]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

2013-04-02 20:25:34 +02:00

..

drm

drm/i915: Skip modifying PCH DREF if not changing clock sources

2013-04-02 20:25:34 +02:00

vga

fbcon: fix locking harder

2013-02-08 12:02:43 +10:00

Makefile

gpu: remove gma500 stub driver

2013-02-20 17:54:58 +10:00