From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753965Ab1KIMD0 (ORCPT ); Wed, 9 Nov 2011 07:03:26 -0500 Received: from mga03.intel.com ([143.182.124.21]:13626 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752301Ab1KIMDZ (ORCPT ); Wed, 9 Nov 2011 07:03:25 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.69,483,1315206000"; d="scan'208";a="72230419" Date: Wed, 9 Nov 2011 20:03:21 +0800 From: Wu Fengguang To: Takashi Iwai Cc: Linus Torvalds , Nick Bowler , "alsa-devel@alsa-project.org" , Keith Packard , "dri-devel@lists.freedesktop.org" , Linux Kernel Mailing List Subject: Re: Linux 3.2-rc1 Message-ID: <20111109120321.GA10264@localhost> References: <20111108145510.GA5142@elliptictech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 09, 2011 at 03:40:19PM +0800, Takashi Iwai wrote: > 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. Yes, it's my fault. > 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. It's sure possible to mask out the extra events. I'll work out a patch tomorrow. > > Guys: One.. Two.. Three.. FIGHT! > > Round two! Three to fight! Thanks, Fengguang > > On Tue, Nov 8, 2011 at 6:55 AM, Nick Bowler 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/) > > > > >