[Bug 51421] Enabling HDMI sound makes HDMI video flicker (and no sound is heard)

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Fri Dec 14 00:24:30 PST 2012


https://bugzilla.kernel.org/show_bug.cgi?id=51421





--- Comment #10 from Rogério Brito <rbrito at ime.usp.br>  2012-12-14 08:24:30 ---
Hi, Takashi.

On Fri, Dec 14, 2012 at 5:20 AM,  <bugzilla-daemon at bugzilla.kernel.org> wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=51421
>
> I thought the sound didn't come out of TV even without patching, right?
> If so, "no sound from TV" itself is no regression.

Yes, indeed. :)

> Since patch_atihdmi() didn't give flickering, the HDMI audio infoframe setup
> might be the culprit.
>
> Could you try to comment out the call of hdmi_setup_audio_infoframe() in
> patch_hdmi.c generic_hdmi_playback_pcm_prepare()?  (Revert back your previous
> modification before that.)

OK, just did that.

> If my guess is correct, this should stop flickering.  But the sound won't come
> out (unless matching casually).

I'm compiling the kernel and will post the result that I get.


Thanks once again,

Rogério Brito.

-- 
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