xorg 6.8 broken dual-head in radeon RV350
Alan Coopersmith
Alan.Coopersmith at Sun.COM
Fri Oct 14 16:52:40 PDT 2005
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-Alan Coopersmith- alan.coopersmith at sun.com
Sun Microsystems, Inc. - X Window System Engineering
Phil Dibowitz wrote:
> Hey folks,
>
> So it turns out that the 6.8 branch seems to have broken the ability to
> use the dual-headed capability of the ATI Technologies Inc RV350
> [Mobility Radeon 9600 M10] card.
>
> In particular while having trouble making this work, I found this:
>
> http://lists.freebsd.org/pipermail/freebsd-mobile/2005-January/005613.html
>
> And I seem to have the same experience they do in 6.8.
>
> The logs show that Xorg seems unable to find the second monitor:
>
> (WW) RADEON(0): Failed to detect secondary monitor, MergedFB/Clone mode
> disabled
>
> The relevant parts of my config are:
>
> Section "Device"
> Identifier "Card0"
> Driver "ati"
> VendorName "ATI Technologies, Inc."
> BoardName "RV350 [Mobility Radeon 9600 M10]"
> Screen 0
> BusID "PCI:1:0:0"
> EndSection
>
> Section "Device"
> Identifier "Card1"
> Driver "ati"
> VendorName "ATI Technologies, Inc."
> BoardName "RV350 [Mobility Radeon 9600 M10]"
> Screen 1
> BusID "PCI:1:0:0"
> EndSection
>
> Section "Monitor"
> Identifier "Generic Monitor"
> Option "DPMS"
> HorizSync 30-65
> VertRefresh 50-75
> EndSection
>
> Section "Monitor"
> Identifier "Dell Trinitron P991"
> Option "DPMS"
> HorizSync 30-107
> VertRefresh 48-85
> EndSection
>
> Section "Screen"
> Identifier "Screen 0"
> Device "Card0"
> Monitor "Generic Monitor"
> DefaultDepth 24
> SubSection "Display"
> Depth 24
> Modes "1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
> EndSubSection
> EndSection
>
> Section "Screen"
> Identifier "Screen 1"
> Device "Card1"
> Monitor "Dell Trinitron P991"
> DefaultDepth 24
> SubSection "Display"
> Depth 24
> Modes "1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480"
> EndSubSection
> EndSection
>
> Section "ServerLayout"
> Identifier "Default Layout"
> Screen "Screen 0"
> Screen "Screen 1" LeftOf "Screen 0"
> InputDevice "Generic Keyboard"
> InputDevice "Configured Mouse"
> InputDevice "Synaptics Touchpad"
> Option "Xinerama" "on"
> EndSection
>
>
> I'm using Xorg 6.8.2 in Debian unstable - not sure what the other people
> I pointed to are running.
>
>
> I suspect it's perfectly likely no one ever reported this to the
> developers, so I thought I'd send an email and see if it was a bug, or a
> new config that needs to be there, or what.
>
> Thanks,
>
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