linux-kernel - Re: Linux 3.3-rc2

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Date:	Wed, 1 Feb 2012 12:56:51 -0500
From:	Nick Bowler <nbowler@...iptictech.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Keith Packard <keithp@...thp.com>
Subject: Re: Linux 3.3-rc2

On 2012-01-31 13:59 -0800, Linus Torvalds wrote:
> Ok, so for no real reason at all - except me being disorganized and
> just not thinking about it - rc2 is several days delayed. It's closer
> to two weeks rather than the standard one week I try to have between
> rc's.
[...]
> Go forth and test.

So, the HDMI log spam I reported against 3.2-rc1 in this thread:

  http://permalink.gmane.org/gmane.linux.kernel/1212638

is actually slightly worse now (see below), despite the fact that it was
eliminated by the patch I tested.  Looking at the git log, I see a patch
similar to the one sent to me was merged as part of a larger series:

  3a9627f4fbb0 ("drm/i915: dont trigger hotplug events on unchanged ELD")

and indeed, by building the tree after checking out that specific commit
there is no spam.  However, the _very next commit_:

  2deed761188d ("drm/i915: HDMI hot remove notification to audio driver")

reintroduces the log spam every mode change, with two additional lines
printed each time (the lines prefixed with an asterisk are new):

* HDMI hot plug event: Codec=3 Pin=3 Presence_Detect=0 ELD_Valid=1
* HDMI status: Codec=3 Pin=3 Presence_Detect=0 ELD_Valid=0
  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

Cheers,
-- 
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)

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