Re: Closed source userspace graphics drivers with an open source kernel component

Pavel Machek
2010-07-14T22:44:01Z

Hi!

> >There is no point supporting companies that give you a little bit of
> >information in exchange they want the support that being in a mainline
> >kernel gives. Its an unfair exchange of knowledge and time, and if they
> >claim they have to make a profit then its even more unfair.
>
> also, they seem to do it quite wrong way. i.e. much simpler would be
> to just implement regular, open driver , and implement additional
> crypto
> mechanism in chipset itself, allowing to use simple userspace program
> sending certified keys allowing GPU to operate.

What is going on there? Does msm actually use crypto to prevent you
from use hardware you bought?

Are the keys device-specific? What prevents me from
reverse-engineering their binary and publishing them?
Pavel

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