Matrox HAL lib still required?

Stefan Dirsch sndirsch at suse.de
Tue Oct 18 08:41:58 PDT 2005


On Tue, Oct 18, 2005 at 09:12:58AM -0400, Alex Deucher wrote:
> On 10/18/05, Stefan Dirsch <sndirsch at suse.de> wrote:
> > Hi
> >
> > I wonder whether the Matrox HAL library is still required. Matrox
> > writes in the latest driver (4.2.0) for X.Org 6.8.2:
> >
> > " [...]
> > The Matrox HAL ("Hardware Abstraction Layer") is a special library
> > to enable features not supported by the standard XFree86 driver.
> > It's required for DualHead, TV output, and DVI support with G400-
> > based graphics hardware, for multi-display support with G200/G450 MMS
> > products, and for DVI support. The HAL library is not required for
> > basic DualHead support (without a DVI monitor) with G450- and G550-based
> > graphics hardware. Also please take not that TV output is not supported
> > with G450- and G550- based graphics hardware in Linux. [...] "
> >
> > So one still needs it for Dualhead on G400 boards and DVI support in
> > general? Or did this change in the past?
> >
> 
> still needed AFAIK.  sometimes you can get single head DVI working
> without HAL if the bios initialized the TMDS controller correctly for
> your monitor.  Several people have threatened to fix the driver to not
> need HAL (myself included), but nothing has come of it.

Ok. Thanks.

Stefan

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