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drm/i915: BDW PSR: Add single frame update support.
authorRodrigo Vivi <rodrigo.vivi@intel.com>
Thu, 12 Jun 2014 17:16:42 +0000 (10:16 -0700)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Fri, 13 Jun 2014 15:45:26 +0000 (17:45 +0200)
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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