From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keith Packard Subject: Re: Broken LVDS output at mode changes Date: Thu, 29 Mar 2012 21:27:13 -0700 Message-ID: <86y5qiyaqm.fsf@sumi.keithp.com> References: <20120329121638.GA20275@phenom.ffwll.local> <1333025081_141778@CP5-2952> <86d37vo38m.fsf@sumi.keithp.com> <86398rny4a.fsf@sumi.keithp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from keithp.com (home.keithp.com [63.227.221.253]) by gabe.freedesktop.org (Postfix) with ESMTP id 10D1F9E7E4 for ; Thu, 29 Mar 2012 21:27:18 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Takashi Iwai Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org <#part sign=pgpmime> On Thu, 29 Mar 2012 20:02:01 +0200, Takashi Iwai wrote: > Sure, that'd be a preferred option. > If you have any easy test in mind, let me know. The way I'd love to see it tested would be to capture signal traces on the LVDS link across mode set and see what glitches appear. That sounds hard to do without an LVDS signal analyser... -- keith.packard@intel.com