Re: No 100 HZ timer !

Alan Cox
2001-04-10T18:17:35Z

> > This is an X issue. I was talking with Jim Gettys about what is needed to
> > get the relevant existing X extensions for this working
>
> Last time I looked at XF86DGA (years ago), it seemed to have the right
> hooks in place. Just a matter of server implementation. My
> recollection is dusty though.

There is also a timing extension for synchronizing events to happenings. The
stopper is the kernel interface for the vblank handling since the irq must
be handled and cleared in kernel context before we return to X. We now think
we know how to handle that cleanly

Alan