linux-kernel - Re: VESAFB CUSTOM RESOLUTION

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Message-ID: <Pine.LNX.4.64.0707181946390.7311@matan.home>
Date:	Wed, 18 Jul 2007 19:59:47 +0300 (IDT)
From:	Matan Ziv-Av <matan@...alib.org>
To:	"Antonino A. Daplas" <adaplas@...il.com>
cc:	Al Boldi <a1426z@...ab.com>, linux-kernel@...r.kernel.org
Subject: Re: VESAFB CUSTOM RESOLUTION

On Wed, 18 Jul 2007, Antonino A. Daplas wrote:

> So, one cannot just set any mode, unless that mode is already defined in
> the BIOS mode table. In VBE 3.0, you might be able to choose an
> arbitrary vertical refresh rate, but that's the best mode tuning you can
> do with the video BIOS.

Theoretically, not correct. VBE 3.0 allows arbitrary mode setting - not 
only vertical refresh, but all mode parameters (the ones appearing in X 
modelines). This is supported by both svgalib and uvesafb. I don't know 
on how many VBE3 cards this feature really works, but it does work for 
some cards.

-- 
Matan Ziv-Av.                         matan@...alib.org

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