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List:       freedesktop-xorg
Subject:    Re: mga driver / HALlib
From:       "Alex Deucher" <alexdeucher () gmail ! com>
Date:       2006-07-30 16:37:49
Message-ID: a728f9f90607300937t75cf5db9ra81f884c2265291f () mail ! gmail ! com
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On 7/29/06, Ian Pilcher <i.pilcher@comcast.net> wrote:
> Alex Deucher wrote:
> > - DVI (all)
>
> FYI, I'm using DVI with my "G450 DVI" without the HAL (X.org 1.0.1 on
> Fedora Core 5).  I've found that if I boot the system in "normal VGA"
> mode (no VESA framebuffer), X works just fine up to 1024x768; trying to
> run it at 1280x1024 gives me a black screen.  OTOH, if I boot with a
> VGA framebuffer, X works *only* at the same resolution as the frame-
> buffer.  This works at 1280x1204 (vga=775).
>
> I've found that the VESA driver doesn't suffer from this limitation.

When you use vesa or the the default bios setting, the bios sets up
the mode, and it knows how to prgram the DVI related registers.  THe X
driver does not have any code to set up the DVI controller.

Alex


>
> --
> ========================================================================
> Ian Pilcher                                        i.pilcher@comcast.net
> ========================================================================
>
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