[Intel-gfx] Problem with flicker

[Jesse Barnes]

On Wed, 25 Nov 2009 22:08:56 +0800
Michael Wright <bodyjarrocks at gmail.com> wrote:

> I have looked at my flicker problem a little more closely and I can  
> see that it is not an XV-only issue. If you stop playback during the  
> flicker, and then kill mythfrontend the whole X display continues to  
> flicker for a few seconds. In fact you can see this on my original  
> video.
> 
> So this must be Intel driver issue right? Sure, it seems to be  
> triggered by mythtv but mythtv just uses XV and this looks to be a  
> general X problem.
> 
> Any ideas about debugging this?  Could this be an SDVO HDMI
> interface issue? Probably not since it is a way down the chain from
> the framebuffer.
> 
> What if it can insert some printf() action in the section of the  
> driver that streams to hdmi? I might see black frames evey now and  
> then in the stream.

Well, you should probably file a bug first so this doesn't get lost.  I
don't have any ideas offhand why Xv would occasionally just present
black frames...

-- 
Jesse Barnes, Intel Open Source Technology Center