From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] i915: initialize CADL in opregion Date: Thu, 28 Jun 2012 14:38:06 +0200 Message-ID: <20120628123806.GC5596@phenom.ffwll.local> References: <1574631.uSlQXEJRId@al> <1450683.yMQbevnXiu@al> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-we0-f177.google.com (mail-we0-f177.google.com [74.125.82.177]) by gabe.freedesktop.org (Postfix) with ESMTP id A7F389E818 for ; Thu, 28 Jun 2012 05:38:10 -0700 (PDT) Received: by werc12 with SMTP id c12so1657215wer.36 for ; Thu, 28 Jun 2012 05:38:10 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1450683.yMQbevnXiu@al> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: Lekensteyn Cc: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org On Thu, Jun 28, 2012 at 01:58:54PM +0200, Lekensteyn wrote: > On Thursday 28 June 2012 13:22:02 Daniel Vetter wrote: > > On Thu, Jun 28, 2012 at 1:05 PM, Daniel Vetter wrote: > > > - When loading the i915.ko with the CADL patch the screen went black > > > (like at boot), but with some excessive vt-switching and X restarting > > > I've managed to light it up. Although it is flickery as hell, > > > especially the lower part of the screen. And if the screen is somewhat > > > stable, I just get the upper part of the screen duplicated in the > > > lower part. > > > > Just a small note: Reloading i915.ko without the CADL patch fixes > > things. No idea how that could happen ... > > -Daniel > > Does CADL gets reinitialised to zeroes on module load? (I think so, but could > you verify that by checking the contents of that field after loading the module > w/ and w/o the CADL patch?) Yeah, the CADL is cleared out again. -Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48