From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH 2/2] drm/i915/lvds: Use i915.lvds_fixed_mode= as a last resort Date: Thu, 21 Apr 2011 23:37:36 +0100 Message-ID: References: <1303022613-18414-1-git-send-email-chris@chris-wilson.co.uk> <1303022613-18414-2-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 4D6579E759 for ; Thu, 21 Apr 2011 15:37:40 -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: Mike Isely Cc: Dave Airlied , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Thu, 21 Apr 2011 17:30:21 -0500 (CDT), Mike Isely wrote: > It looks like the driver did notice the specified mode and used it - > because the display's refresh rate did get adjusted and the overall > resolution is correct. However the display timings are slightly "off", > the image is stretched a few pixels off the right edge and a few lines > off the bottom edge. Yet the same modeline given to "video=" in > combination with my controversial disable-fixed-mode patch however > produces a perfectly aligned image. Adding a few printk will help. And perhaps comparing the resultant register settings with intel_reg_dumper. -Chris -- Chris Wilson, Intel Open Source Technology Centre