[Bug 30364] [945GME] poor 3d performance in deep c-states

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=30364

--- Comment #70 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to comment #69)
> On plain Xorg i get 125fps. Without any glitches. 
> With and without patches i get same results.

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.

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