Patch "drm/i915: Undo gtt scratch pte unmapping again" has been added to the 3.13-stable tree

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This is a note to let you know that I've just added the patch titled

    drm/i915: Undo gtt scratch pte unmapping again

to the 3.13-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-i915-undo-gtt-scratch-pte-unmapping-again.patch
and it can be found in the queue-3.13 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 8ee661b505613ef2747b350ca2871a31b3781bee Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@xxxxxxxx>
Date: Wed, 26 Mar 2014 20:10:09 +0100
Subject: drm/i915: Undo gtt scratch pte unmapping again

From: Daniel Vetter <daniel.vetter@xxxxxxxx>

commit 8ee661b505613ef2747b350ca2871a31b3781bee upstream.

It apparently blows up on some machines. This functionally reverts

commit 828c79087cec61eaf4c76bb32c222fbe35ac3930
Author: Ben Widawsky <benjamin.widawsky@xxxxxxxxx>
Date:   Wed Oct 16 09:21:30 2013 -0700

    drm/i915: Disable GGTT PTEs on GEN6+ suspend

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=64841
Reported-and-Tested-by: Brad  Jackson <bjackson0971@xxxxxxxxx>
Cc: Takashi Iwai <tiwai@xxxxxxx>
Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Cc: Todd Previte <tprevite@xxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/gpu/drm/i915/i915_gem_gtt.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -828,7 +828,7 @@ void i915_gem_suspend_gtt_mappings(struc
 	dev_priv->gtt.base.clear_range(&dev_priv->gtt.base,
 				       dev_priv->gtt.base.start / PAGE_SIZE,
 				       dev_priv->gtt.base.total / PAGE_SIZE,
-				       false);
+				       true);
 }
 
 void i915_gem_restore_gtt_mappings(struct drm_device *dev)


Patches currently in stable-queue which might be from daniel.vetter@xxxxxxxx are

queue-3.13/drm-i915-undo-gtt-scratch-pte-unmapping-again.patch
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