Slow 2D with radeon KMS

[Damien Mir]

> On Mon, 2010-02-15 at 16:34 +0100, Damien Mir wrote:
>> > vsync was broken when intel merged the new vsync code. So you should
>> > use mesa from time before the merge (about a week ago)
>> >
>>
>> Unfortunately I cannot get vsync working anyhow with Kwin compositing
>> (KDE
>> 4.3).
>>
>> Any combination of xserver (1.6 / 1.7 / 1.7.99) / Mesa (7.7 or git)
>> gives
>> the same results on an R700 HD4650 mobility.
>>
>> Any idea on what's going on ? Sorry if it's a bit OT, but does it seem
>> related to the R700/xorg/mesa mix ? or might it be something completely
>> different ?
>> Because being unable to play tear-free videos quite kills a nice
>> compositing experience !
>> Note : Xv playback is tear-free with kwin compositing disabled
>
> This should be fixed with current xf86-video-ati Git, at least for
> OpenGL compositing.
>

That's it ! Thanks !

I have the feeling that OSS radeon/EXA have never been improving so fast.
Cheers from a happy end-user !