sony-vaio-z-series team mailing list archive

[Bernd Eggink <monoped@xxxxxxxxxx>]

Albert Vilella schrieb:
>     now that graphics switching works, I have some minor questions:
>
>     1. What exactly is the difference between the nv driver from xorg and
>     the proprietary nvidia driver? Performance? The card works with both of
>     them. However, the xorg driver doesn't need library switching on my
>     system.
>
>
> Both the nv driver and the nvidia driver are provided by the Nvidia 
> guys, but nv is open source, although slightly obfuscated code, and the 
> nvidia driver is a propietary binary driver. The nv driver only provides 
> 2D support, and the nvidia driver provides 2D and 3D support, which 
> should be very apparent when running 3D demanding applications.

I found another important difference: With the nv driver suspend-to-ram 
doesn't work here. After resume the screen remains black, and sometimes 
a "top" from remote shows X using nearly 100% CPU. No such problems 
(until now) with the nvidia driver.

Regards,
Bernd

--
Bernd Eggink
http://sudrala.de