From cc36513ca36a03e4fd8693d127bac5fe48185786 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 18 Jun 2014 13:59:13 +0200
Subject: [PATCH] drm/i915: Use new frontbuffer bits to increase pll clock

The downclocking checks a few more things, so not that simple to
convert. Also, this should get unified with the drrs handling and also
use the locking of that. Otoh the drrs locking is about as hapzardous
as no locking, at least on first sight.

For easier conversion ditch the upclocking on unload - we'll turn off
everything anyway.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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