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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [945GME] poor 3d performance in deep c-states"
href="https://bugs.freedesktop.org/show_bug.cgi?id=30364#c70">Comment # 70</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [945GME] poor 3d performance in deep c-states"
href="https://bugs.freedesktop.org/show_bug.cgi?id=30364">bug 30364</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=30364#c69">comment #69</a>)
<span class="quote">> On plain Xorg i get 125fps. Without any glitches.
> With and without patches i get same results.</span >
Ah, that's broken - we are not using vsync. Presumably it failed to get
permission to open /dev/dri/card0 and so is using indirect rendering (which
does not respect vsync).
Try "LIBGL_DEBUG=1 glxinfo" and see if (a) reports indirect rendering and (b)
why.</pre>
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