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 <[email protected]> know about it.
>From 8ee661b505613ef2747b350ca2871a31b3781bee Mon Sep 17 00:00:00 2001
From: Daniel Vetter <[email protected]>
Date: Wed, 26 Mar 2014 20:10:09 +0100
Subject: drm/i915: Undo gtt scratch pte unmapping again
From: Daniel Vetter <[email protected]>
commit 8ee661b505613ef2747b350ca2871a31b3781bee upstream.
It apparently blows up on some machines. This functionally reverts
commit 828c79087cec61eaf4c76bb32c222fbe35ac3930
Author: Ben Widawsky <[email protected]>
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 <[email protected]>
Cc: Takashi Iwai <[email protected]>
Cc: Paulo Zanoni <[email protected]>
Cc: Todd Previte <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
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 [email protected] are
queue-3.13/drm-i915-undo-gtt-scratch-pte-unmapping-again.patch
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