On Tue, 2007-06-12 at 19:03 +0200, Michel Dänzer wrote:

> Hmm yeah, I guess you could just update both counters unconditionally.

Or let the waiters fetch the value themselves?

> Yes, I'm not worried about the software side of it, as this should only
> occur when there's a bug somewhere. I'm rather wondering whether
> enabling the vblank interrupt for an inactive pipe might cause trouble
> on the hardware side, but maybe that's not an issue. Keith?

It's not going to cause trouble on the intel chips, but you aren't going
to get a lot of interrupts if the crtc isn't running...

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