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drm/i915: Don't set persistent FBC mode on ILK/SNB
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Thu, 23 Jan 2014 14:49:09 +0000 (16:49 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Sat, 25 Jan 2014 20:17:01 +0000 (21:17 +0100)
commit567689a4a91eb47909c33b36b380a48b3b07fa39
tree8dd161584492a4c9626475b463546a22be50b9c1tree | snapshot
parentb339088d81c83fcc91227dcffb61719ff3b0b669commit | diff
drm/i915: Don't set persistent FBC mode on ILK/SNB

The ILK/SNB docs are a bit unclear what the persistent mode does, but
the CTG docs clearly state that it was meant to be used when we're
tracking back buffer modifications. We never do that, so leave it in
non-persistent mode.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_pm.c diff | blob | history
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