From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wu Fengguang Subject: Re: Linux 3.2-rc1 Date: Wed, 9 Nov 2011 20:03:21 +0800 Message-ID: <20111109120321.GA10264@localhost> References: <20111108145510.GA5142@elliptictech.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Takashi Iwai Cc: Linus Torvalds , Nick Bowler , "alsa-devel@alsa-project.org" , Keith Packard , "dri-devel@lists.freedesktop.org" , Linux Kernel Mailing List List-Id: alsa-devel@alsa-project.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: > >=20 > > 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. >=20 > 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! >=20 > Round two! Three to fight! Thanks, =46engguang > > 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: > > > > > > =C2=A0HDMI hot plug event: Codec=3D3 Pin=3D3 Presence_Detect=3D1 = ELD_Valid=3D1 > > > =C2=A0HDMI status: Codec=3D3 Pin=3D3 Presence_Detect=3D1 ELD_Vali= d=3D1 > > > =C2=A0HDMI: detected monitor W2253 at connection type HDMI > > > =C2=A0HDMI: available speakers: FL/FR > > > =C2=A0HDMI: supports coding type LPCM: channels =3D 2, rates =3D = 32000 44100 48000, bits =3D 16 20 24 > > > > > > These lines get printed every single switch; previously only a si= ngle > > > line was printed once at boot (the "HDMI status" line). > > > > > > Cheers, > > > -- > > > Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/) > > > > >=20