From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan-Hendrik Zab Subject: Re: drm/i915: make DP training try a little harder Date: Wed, 5 Jan 2011 22:23:15 +0100 Message-ID: <20110105212315.GA40376@jhz.name> References: <1294170794-5334-1-git-send-email-jbarnes@virtuousgeek.org> <20110105075239.GA2702@yliu-dev.sh.intel.com> <20110105091919.6da339d9@jbarnes-desktop> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from jhz.name (red.unix-ag.uni-hannover.de [130.75.176.204]) by gabe.freedesktop.org (Postfix) with ESMTP id 628709E75D for ; Wed, 5 Jan 2011 13:23:33 -0800 (PST) Content-Disposition: inline In-Reply-To: <20110105091919.6da339d9@jbarnes-desktop> 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: Jesse Barnes Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On 05/01/11 09:19 -0800, Jesse Barnes wrote: [snip] > Jesse Barnes, Intel Open Source Technology Center > > From fdb4552b4da707bfa5f3ab9e5dd92f04b39e41d3 Mon Sep 17 00:00:00 2001 > From: Jesse Barnes > Date: Tue, 4 Jan 2011 11:50:32 -0800 > Subject: [PATCH] drm/i915: make DP training try a little harder > > When trying to do channel equalization, we need to make sure we still > have clock recovery on all lanes while training. We also need to try > clock recovery again if we lose the clock or if channel eq fails 5 > times. We'll try clock recovery up to 5 more times before giving up > entirely. > > Gets suspend/resume working on my Vaio again and brings us back into > compliance with the DP training sequence spec. Hey, the patch also gets suspend/resume working on my Vaio (VPCZ11C5E). Same goes for the first patch in the thread. -jhz