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Message-ID: <20130417173903.GB4140@magazyn-ziarno.chello.pl>
Date:	Wed, 17 Apr 2013 19:39:03 +0200
From:	Marcin Szewczyk <Marcin.Szewczyk@...ny.org>
To:	linux-kernel@...r.kernel.org
Subject: How to override GMA500 resolution set by BIOS?

Hello,

I've got a problem with GMA500 on my EVOC EC2-1711. The graphics
adapter's resolution is set by selecting an option in BIOS but I would
like to override it. Can kernel or Xorg do this?

There are two modes "almost" right for an 800x600 16bit LVDS screen I
have.  The first one is 800x600 but in 24bit LVDS mode, so colors are
mangled. The second one is 800x480 16bit -- colors are right, but the
screen cuts the image at line 480.

I've tried video=, overwriting modes via patched 915resolution, vga= and
Xorg modesetting driver. Nothing works.

Does anyone know if it's possible to override the mode?

-- 
Marcin Szewczyk                       http://wodny.org
mailto:Marcin.Szewczyk@...ny.borg  <- remove b / usuĊ„ b
xmpp:wodny@...ntu.pl                  xmpp:wodny@...ster.pl
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