unblanking (A|D)-DVI order...

Andrew Lunn andrew at lunn.ch
Sun Jan 7 02:08:01 PST 2007

On Fri, Dec 22, 2006 at 04:44:42PM -0500, Alex Deucher wrote:
> On 12/22/06, Andrew Lunn <andrew at lunn.ch> wrote:
> >Hi Folks
> >
> >X Window System Version 7.1.1
> >(II) ATI: ATI driver (version 6.6.3) for chipsets: ati, ativga
> >
> >Its a Debian system using the debian Xorg packages.
> >
> >I have a Radeon 9200 PRO bases card which has a DVI and a VGA port. Im
> >using it in mergedFB mode. That all works fine :-)
> >
> >On the DVI port i have a Philips 180P2 LCD monitor which supports DVI.
> >On the VGA port i have a Philips 180B2, which is just plain old VGA.
> >
> >The DVI works great until the screen save kicks in and blanks the
> >screens and then turns off the monitors. When i move the mouse, the
> >monitor come back to life. The VGA screen is fine. The DVI screen
> >however is not. It is showing a clone of the VGA screen. Using the
> >menu's of the monitor i find it is showing the Analogue DVI input. If
> >i change this to the Digital-DVI input i get the correct screen
> >displayed.
> Probably the monitor syncs to the DAC which is left active by the
> bios.  If you try the radeon driver from git, you may have more luck
> since it disables all outputs before enabling the active ones.

Hi Alex

I tried this this morning, using the latest version from git trunk.

It does not help. In fact it is worse. When i unblank the digital
screen it shows the analogue signal, but the colours are all messed
up. Dark red is Orange, blue is white, but white is white and black is

The digital signal is O.K. once i reset my monitor to use it.

Any ideas how to proceed so that when i unblank i get just the digital

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