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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW] GPU hangs after S3+S4, if execlists enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89600#c25">Comment # 25</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW] GPU hangs after S3+S4, if execlists enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89600">bug 89600</a>
from <span class="vcard"><a class="email" href="mailto:peter.antoine@intel.com" title="peter.antoine@intel.com">peter.antoine@intel.com</a>
</span></b>
<pre>This is a problem that has been seen before on other systems.
It is a timing issue with the way the registers are restored when the system
comes out of power saving.
I have a patch that has survived 10 S3 and 10 S4 without a GPU hang.
The patch simply changes the order that bits of the system are being
re-initialised after a resume.
Patch will be released to linux-gfx within the hour.</pre>
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