[Nouveau] [PATCH 0/2] Safer reclocking

[Martin Peres]

Le 19/04/2011 04:45, Maxim Levitsky a écrit :
> On Sat, 2011-03-19 at 23:14 +0100, Martin Peres wrote:
>> This version corrects the missing symbol linking error you could get by compiling on a x86_32 kernel:
>> ERROR: "__udivdi3" [drivers/gpu/drm/nouveau/nouveau.ko] undefined!
>>
>> Again, please test it on hw ranging from nv30 to nva0 (nvac/ION is supported)
> Martin Peres, Hi!
>
> Any update on this support?
Yes, I have a patch pending. I'll release it in a few days if you want.
> The old patch of yours that works fine on my card surely doesn't apply
> to latest git. I am going to forward-port it so I could switch to next
> kernel, but I was thinking that maybe you have a new version of this
> patch, so I won't waste my time.
Please, don't. I already have done it ;)
> Without this patch, reclocking is very very unstable as you know, but I
> need it to keep card temperature within reasonable bounds.
>
> (And pref level 0 gives me ~50 FPS in compiz....)
>
> Speaking of performance, offtopic, nouvaeu + kwin isn't usable at all,
> but compiz really is.
KWin works great for me on nouveau.
> Kwin on the other hand is dead slow even on perf level 2, and
> surprisingly, even if I start compiz in KDE it is significantly slower
> that same compiz in Gnome (but usable).
>
> And when I move mouse over any Qt application, FPS drops below 5 FPS,
> probably due to mixture of Xrender and GL calls.
> So nouveau + kwin is absolutely not usable.
>
> compiz + gnome without any open windows shows ~300 FPS on perf level 2
> slightly higher that nvidia blob.
I don't know if I have 300 fps because I cap it at 60fps, this isn't 
useful to draw faster than that.
> I own quite slow card, nvidia geforce 8400M GS, codename NV86
>
> I am looking forward to switch to KDE in near future.
Well, really, I don't understand what's slow on your card :s
> Best regards,
> 	Maxim Levitsky
>