From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Mon, 2 Nov 2009 07:52:29 +0000 (+0000)
Subject: drm/i915: Fix and cleanup DPLL calculation for Ironlake
X-Git-Tag: v2.6.32~46^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4bfe6b6876a036d26a960320f1ab0bbd752c19bf;p=pandora-kernel.git

drm/i915: Fix and cleanup DPLL calculation for Ironlake

When the ideal error range can't be reached, this will safely use
a most closed one. Clean up some dumb codes in DPLL function too.

This fixes DPLL clock issue against one monitor at 1680x1050@60hz.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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