[Intel-gfx] [PATCH 1/3]drm/i915: Enable LVDS downclock feature for LVDS

[Eric Anholt]

On Fri, 20 Nov 2009 11:24:16 +0800, yakui.zhao at intel.com wrote:
> From: Zhao Yakui <yakui.zhao at intel.com>
> 
> If more than one mode with the same resolution defined in EDID has different
> refresh rate, it is thought that the downclock is found for LVDS.
> We will program the different FPx0/1 register so that we can select dynamically
> between the low and high frequency.
> 
> On the g4x platform we will use the CxSR feature to switch the different
> refresh rate if the LVDS downclock feature is supported.
> 
> Signed-off-by: Zhao Yakui <yakui.zhao at intel.com>
> Reviewd-by: Jesse Barnes <jbarnes at virtuousgeek.org>

Applied this series.