tree e2828ee5e59ba7e073283d5c890352892f22f793
parent bee17e5ae6b68d21b9d193f34ccefeef9d4fffe0
author Jesse Barnes <jbarnes@virtuousgeek.org> 1292873660 -0800
committer Chris Wilson <chris@chris-wilson.co.uk> 1294778140 +0000

drm/i915: support overclocking on Sandy Bridge

In some configuration, the PCU may allow us to overclock the GPU.
Check for this case and adjust the max frequency as appropriate.  Also
initialize the min/max frequencies to default values as indicated by
hardware.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>