On Tue, 2007-06-12 at 09:40 -0700, Jesse Barnes wrote: > Hm, we might get nonsensical values or a non-incrementing vblank count, > but otoh userspace didn't bother to enable vblank events for the pipe > it just requested one for, so maybe undefined behavior is ok?
The 'undefined' behaviour here is that the frame count will never arrive so the client will block forever. > If not, it would be easy to check the dev_priv->vblank_pipe value for > sanity here. That, and we should also wake everyone up when crtcs are reconfigured so clients can reset which crtc they're waiting for. -- [EMAIL PROTECTED]
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