[Bug 76564] [AMD Fusion E-350] HDMI refresh rates doesn't match expectations

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76564

--- Comment #8 from jeroen <jeroenk61 at hotmail.com> ---
(In reply to comment #7)
> (In reply to comment #6)
> > (In reply to comment #5)
> > > Probably a duplicate of bug 71753.
> > 
> > Yes I read that report. What I don't understand is how the audio clock, uvd
> > clock, hdmi clock, etc relate to each other.
> > 
> > For audio I use the realtek chip and it's SPDIF. I guess with the audio
> > clock, the HDMI audio clock is used? Which in my case is not used I guess.
> 
> They are not really related on the hw side.  UVD decodes as fast as it can
> based on it's own clocks.  When the decoded frame is displayed is up to the
> application.  The audio chip has it's own clock and the display has it's own
> clock.  The hdmi audio information is embedded in the display stream.  The
> monitor uses special packets that the GPU embeds in the display stream to
> reconstruct the audio stream on the monitor based on the display clock. 
> There seem to be cases where the hdmi stream is not set up properly so the
> audio clock is not recovered properly on the monitor side.

Okay, but doesnt that mean in this case it is a problem with the display
(HDMI?) clock, as I am not using HDMI audio?

Is there a way I could get more detailed logging of what is happening on my
system?

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