Mailinglist Archive: opensuse-xorg (16 mails)
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Re: [suse-xfree86] ATI Radeon: Unable to configure native screen resolution (1440x900) on second head - "not a supported mode for CRT2"?
- From: Stefan Dirsch <sndirsch@xxxxxxx>
- Date: Mon, 4 Jun 2007 12:03:01 +0000 (UTC)
- Message-id: <20070604095923.GA14631@xxxxxxx>
On Mon, Jun 04, 2007 at 11:27:47AM +0200, Lenz Grimmer wrote:
> Hi Stefan,
>
> Stefan Dirsch wrote:
>
> > I think you need a special modeline for this.
>
> Indeed, this did the trick! At least it's using its native resolution
> now - I added the following mode line to the Modes section (see new file
> attached):
>
> Modeline "1440x900" 106.5 1440 1520 1672 1904 900 903 909 934
>
> However, I now face one remaining problem: as the vertical resolution on
> the external display is lower than the one on the internal panel (900
> vs. 1050 pixel), the screen on the second head now scrolls up and down
> when I move the mouse over the upper or lower screen border.
>
> According to the radeon man page this should be fixed be enabling the
> MergedNonRectangular option, which I did:
>
> Option "MergedNonRectangular" "true"
>
> Unfortunately the screen still scrolls, which is slightly annoying.
> Strangely enough this worked fine with the previous monitor (which had
> 1024 pixel vertical). The X log file is attached - what could be the
> cause of this?
Try "MergedNonRectangular" together with
Option "CRT2Position" "RightOf 150"
Best regards,
Stefan
Public Key available
------------------------------------------------------
Stefan Dirsch (Res. & Dev.) SUSE LINUX Products GmbH
Tel: 0911-740 53 0 Maxfeldstraße 5
FAX: 0911-740 53 479 D-90409 Nürnberg
http://www.suse.de Germany
-----------------------------------------------------------------
SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg)
-----------------------------------------------------------------
> Hi Stefan,
>
> Stefan Dirsch wrote:
>
> > I think you need a special modeline for this.
>
> Indeed, this did the trick! At least it's using its native resolution
> now - I added the following mode line to the Modes section (see new file
> attached):
>
> Modeline "1440x900" 106.5 1440 1520 1672 1904 900 903 909 934
>
> However, I now face one remaining problem: as the vertical resolution on
> the external display is lower than the one on the internal panel (900
> vs. 1050 pixel), the screen on the second head now scrolls up and down
> when I move the mouse over the upper or lower screen border.
>
> According to the radeon man page this should be fixed be enabling the
> MergedNonRectangular option, which I did:
>
> Option "MergedNonRectangular" "true"
>
> Unfortunately the screen still scrolls, which is slightly annoying.
> Strangely enough this worked fine with the previous monitor (which had
> 1024 pixel vertical). The X log file is attached - what could be the
> cause of this?
Try "MergedNonRectangular" together with
Option "CRT2Position" "RightOf 150"
Best regards,
Stefan
Public Key available
------------------------------------------------------
Stefan Dirsch (Res. & Dev.) SUSE LINUX Products GmbH
Tel: 0911-740 53 0 Maxfeldstraße 5
FAX: 0911-740 53 479 D-90409 Nürnberg
http://www.suse.de Germany
-----------------------------------------------------------------
SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg)
-----------------------------------------------------------------
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