From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Fri, 13 Sep 2013 12:59:11 +0000 (+0300)
Subject: drm/i915: Add intel_dotclock_calculate()
X-Git-Tag: v3.13-rc1~76^2~114^2~51
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6878da05006feb68efe23a6ae010b1a5df32ca5f;p=pandora-kernel.git

drm/i915: Add intel_dotclock_calculate()

Extract the code to calculate the dotclock from the link clock and M/N
values into a new function from ironlake_crtc_clock_get().

The new function can be used to calculate the dotclock for both FDI and
DP cases.

Also simplify the code a bit along the way.

v2: Don't forget about non-pch encoders in ironlake_crtc_clock_get()

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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