From 82c562549b4c86274c564d3b3498020559683dcd Mon Sep 17 00:00:00 2001
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Date: Thu, 12 Jun 2014 10:16:42 -0700
Subject: [PATCH] drm/i915: BDW PSR: Add single frame update support.

When link is in stand by and PSR exit is triggered by a primary or sprite
plane flip this mode allows only one single updated frame to be send to
display than get back to PSR immediately.

Reviewed-by: Vijay Purushothaman <vijay.a.purushothaman@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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