<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [BSW bisected] OglGSCloth/Lightsmark/CS/ Portal/ Half Life 2 games performance decreased by 15%-45%"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90112#c48">Comment # 48</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [BSW bisected] OglGSCloth/Lightsmark/CS/ Portal/ Half Life 2 games performance decreased by 15%-45%"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90112">bug 90112</a>
from <span class="vcard"><a class="email" href="mailto:wendy.wang@intel.com" title="wendy.wang@intel.com">wendy.wang@intel.com</a>
</span></b>
<pre>(In reply to Chris Wilson from <a href="show_bug.cgi?id=90112#c47">comment #47</a>)
<span class="quote">> (In reply to wendy.wang from <a href="show_bug.cgi?id=90112#c46">comment #46</a>)
> > Add intel_pstate=disable parameter does not fix this bug on BSW
> > test with cs game,
> > (bad- parent) vs. parent commit: -33%
> >
> > Bad next-queued kernel commit:
> > 1854d5ca0dd7a9fc11243ff220a3e93fce2b4d3e
> > Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
> > Date: Tue Apr 7 16:20:32 2015 +0100
> >
> > drm/i915: Deminish contribution of wait-boosting from clients
> >
> >
> > parent next-queued kernel commit of 1854d5ca0
> > commit 6ad790c0f5ac55fd13f322c23519f0d6f0721864
> > Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
> > Date: Tue Apr 7 16:20:31 2015 +0100
> >
> > drm/i915: Boost GPU frequency if we detect outstanding pageflips
>
> The open question was whether the regression remains after
> commit 8d3afd7d0e666b932e6fa15901e6280fe829a786
> Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
> Date: Thu May 21 21:01:47 2015 +0100
>
> drm/i915: Use spinlocks for checking when to waitboost</span >
After commit 8d3afd7d0e666b932e6fa15901e6280fe829a786, the failed cases FPS did
not recovered previous good performance, still have -12% gap vs. good fps.
test on BSW with CS game.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
<li>You are on the CC list for the bug.</li>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>