From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Isely Subject: Re: [PATCH 2/2] drm/i915/lvds: Use i915.lvds_fixed_mode= as a last resort Date: Thu, 21 Apr 2011 17:46:02 -0500 (CDT) 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 cnc.isely.net (cnc.isely.net [75.149.91.89]) by gabe.freedesktop.org (Postfix) with ESMTP id ED7D39F0EB for ; Thu, 21 Apr 2011 15:46:02 -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: Chris Wilson Cc: Dave Airlied , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Thu, 21 Apr 2011, Chris Wilson wrote: > 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. Oh absolutely. But right now I'm not doing a very fair apples-to-apples comparison. I need to address that first and make sure nothing else is influencing this. -Mike -- Mike Isely isely @ isely (dot) net PGP: 03 54 43 4D 75 E5 CC 92 71 16 01 E2 B5 F5 C1 E8