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[Bug 1564759]


Created attachment 122856

As far as I understand, the patch disables power gating which is a very bad
thing in terms of power usage so this is not a fix, just a temp workaround.
On 10 Apr 2016 14:32, <bugzilla-daemon@xxxxxxxxxxxxxxx> wrote:

> *Comment # 35 <https://bugs.freedesktop.org/show_bug.cgi?id=94161#c35> on
> bug 94161 <https://bugs.freedesktop.org/show_bug.cgi?id=94161> from Gerard
> Farré <gerar.f87@xxxxxxxxx> *
> Compiled kernel 4.6 rc2 drm-intel-nightly with the Mika patch (comment #28 <https://bugs.freedesktop.org/show_bug.cgi?id=94161#c28>) and
> everything is working fine, no gpu hang at the moment (4 days testing).
> Why this patch is not merged? Maybe because needs more testing?
> Thanks Mika.
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  [i915_bpo] Fix RC6 on SKL GT3 & GT4

Status in DRI:
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released

Bug description:
  Runtime power management causes GPU hangs on SKL GT3 & GT4 ("Iris" &
  "Iris Pro"), so fix it by adding two patches to extend certain
  workarounds to cover all chip revisions.

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