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From: Mike Isely <isely@isely.net>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Dave Airlied <airlied@linux.ie>, intel-gfx@lists.freedesktop.org
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: <alpine.DEB.1.10.1104211745040.18161@cnc.isely.net> (raw)
In-Reply-To: <b7da2f$r6j58i@fmsmga001.fm.intel.com>

On Thu, 21 Apr 2011, Chris Wilson wrote:

> On Thu, 21 Apr 2011 17:30:21 -0500 (CDT), Mike Isely <isely@isely.net> 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

  reply index

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-17  6:43 [PATCH 1/2] drm: Export the command-line mode parser Chris Wilson
2011-04-17  6:43 ` [PATCH 2/2] drm/i915/lvds: Use i915.lvds_fixed_mode= as a last resort Chris Wilson
2011-04-18 16:46   ` Mike Isely
2011-04-18 17:46     ` Mike Isely
2011-04-20 19:48   ` Mike Isely
2011-04-20 19:56     ` Chris Wilson
2011-04-20 20:09       ` Mike Isely
2011-04-21 22:30         ` Mike Isely
2011-04-21 22:37           ` Chris Wilson
2011-04-21 22:46             ` Mike Isely [this message]
2011-05-04 22:14               ` Mike Isely
2011-05-04 22:18                 ` [PATCH] drm/i915: Fix unset margins flag in drm_mode_parse_command_line_for_connector Mike Isely
2011-05-05  2:40                   ` Robert Lowery

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