Intel i915GM (xf86-video-intel modesetting) Tearing during playback with XV
keithp at keithp.com
Tue Feb 20 08:41:40 PST 2007
On Tue, 2007-02-20 at 09:36 +0000, will wrote:
> it appears
> there is nothing in the XV code that would synchronise to the vertical
> blanking period for display (overlay?) updates?
Right, the textured video adaptor doesn't delay for vsync; that's
because we don't have the infrastructure in place to do this without
spinning inside the driver, which wastes a lot of CPU time.
> Any suggestions?
You can still use the overlay video adaptor, which does sync with
keith.packard at intel.com
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