Re: 2.6.14-rt4: via DRM errors

Arjan van de Ven
2005-11-25T19:13:54Z

On Fri, 2005-11-25 at 14:05 -0500, Lee Revell wrote:
> On Thu, 2005-11-24 at 07:31 -0800, Jesse Barnes wrote:
> > Sounds interesting, but that would be card specific, right? I mean,
> > on some cards the 2d and 3d locks would have to be the same because of
> > shared state or whatever, for example.
>
> Not especially, that's how most Linux drivers work. The locking in the
> DRM seems unusually coarse grained.

of course sometimes having less but more coarse locks is actually
faster. Taking/dropping a lock is not free. far from it.