linux-kernel - Re: Linux 3.2-rc1

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Date:	Wed, 09 Nov 2011 08:40:19 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Wu Fengguang <fengguang.wu@...el.com>,
	Nick Bowler <nbowler@...iptictech.com>,
	alsa-devel@...a-project.org, Keith Packard <keithp@...thp.com>,
	dri-devel@...ts.freedesktop.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 3.2-rc1

At Tue, 8 Nov 2011 12:23:30 -0800,
Linus Torvalds wrote:
> 
> Hmm, I don't know what caused this to trigger, but I'm adding both the
> i915 people and the HDA people to the cc, and they can fight to the
> death about this in the HDMI Thunderdome.

It must be the new addition of ELD-passing code.

Fengguang, can the drm or i915 driver check whether ELD is changed or
not?  Writing ELD at each time even when unchanged confuses the audio
side, as if the monitor is hotplugged.

> 
> Guys: One.. Two.. Three.. FIGHT!

Round two!


Takashi

>                  Linus
> 
> On Tue, Nov 8, 2011 at 6:55 AM, Nick Bowler <nbowler@...iptictech.com> wrote:
> >
> > Mode switches are very noisy on an Intel G45 in 3.2-rc1:
> >
> >  HDMI hot plug event: Codec=3 Pin=3 Presence_Detect=1 ELD_Valid=1
> >  HDMI status: Codec=3 Pin=3 Presence_Detect=1 ELD_Valid=1
> >  HDMI: detected monitor W2253 at connection type HDMI
> >  HDMI: available speakers: FL/FR
> >  HDMI: supports coding type LPCM: channels = 2, rates = 32000 44100 48000, bits = 16 20 24
> >
> > These lines get printed every single switch; previously only a single
> > line was printed once at boot (the "HDMI status" line).
> >
> > Cheers,
> > --
> > Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)
> >
> 
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