[Intel-gfx] [PATCH 0/9] HW contest support for Ironlake

[Ben Widawsky]

On Mon, Jul 15, 2013 at 01:44:13PM +0100, Chris Wilson wrote:
> On Sun, Jul 14, 2013 at 09:22:44AM -0700, Ben Widawsky wrote:
> > Finally, in the series I reenable rc6 on ILK. I've never had an issue
> > with this on my ILK, but I recommend anyone testing on it who sees
> > issues to try to disable it via modparam firstly.
> > 
> > The patch series is minimally tested. I told Chris and Ken at the
> > offset, they'd need to do the heavy lifting on the testing front.
> 
> My initial impression is that it seems to prevent IPS from kicking in
> and speeding up the igfx, so peak performance is 2x slower than before
> applying the series.
> -Chris
> 
> -- 
> Chris Wilson, Intel Open Source Technology Centre

As noted today on IRC... I'm not really able to reproduce this result. I
see /something/ going on, but can't say conclusively it's so bad. Also
as discussed, please try without RC6, and if that doesn't help, please
try to bisect since I can't really see any other patch changing much.

-- 
Ben Widawsky, Intel Open Source Technology Center