[Intel-gfx] Interrupt latency on some 945GM platforms

[Jesse Barnes]

On Tue, 14 Sep 2010 00:52:31 +0300
Vasily Khoruzhick <anarsoul at gmail.com> wrote:

> В сообщении от 14 of September 2010 00:46:32 автор Jesse Barnes написал:
> 
> > Yes, you can set vblank_mode=0 in your environment or drirc.  At least
> > I think 0 is no vsync. :)
> 
> That doesn't help, glxgears shows ~1000fps, but it's output is jerky.

Is it smooth with clocksource=tsc?  I wonder if the GPU batch
interrupts are also getting delayed, and possibly timer ticks...

-- 
Jesse Barnes, Intel Open Source Technology Center