[Bug 82340] [HSW Bisected] Fail to resume from S4, causing system hang (once out of 5 test circles)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82340

yaoming <ming.yao at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |VERIFIED

--- Comment #18 from yaoming <ming.yao at intel.com> ---
(In reply to comment #17)
> (In reply to comment #16)
> > Ok, so it seems that the patch is good enough to prevent i915.ko from being
> > the worst offender on the system.
> 
> Pushed to drm-intel-fixes as
> 
> commit f36c680a2774f459c1a290e9c2e84bed66a80a78
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Thu Sep 25 10:13:12 2014 +0100
> 
>     drm/i915: Flush the PTEs after updating them before suspend
> 
> Please verify.

Verified.
Without i915.ko on this commit, the result is exactly the same as Comment 10.

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