triple screen setup with intel and radeon cards

[Brandon Sawyers]

Since I sent this at almost midnight last time, I figured I'd send once
more during the day in hopes of more visibility.

Thanks,
Brandon

On Sun, Oct 20, 2013 at 11:06 PM, Brandon Sawyers <brandor5 at gmail.com>wrote:

> Hello everyone:
>
> I'm trying to get three monitors going with a built-in intel chipset and a
> discrete radeon card.
>  I have two apple cinema displays and a dell flat panel. I would like the
> two apple displays to form a single "screen" that I can drag windows back
> and forth on. The dell monitor will only be used for my monitoring solution
> and will be static all the time, so I don't need to be able to drag windows
> to/from it and the apple displays.
>
> I'm running into one of two problems.
>
> In my current config, only the graphics card I have listed first (I've
> tried swapping the order) will bring up X. The other will be blank or show
> the console depending on the card and will not even be listed in the
> Xorg.0.log file. If I have the radeon device listed first they are
> configured correctly as I have described above.
>
> If I un-comment the layout section in my xorg.conf all three screens come
> up, but the two displays connected to the radeon card will act like one
> screen. (My panel bar in KDE stretches across both screens and my yakuake
> console will drop down on both.) Not what I'm wanting to happen.
>
> I've also been able to have all three screens on at one time, but not be
> able to drag windows between any screen. (I can't remember off the top of
> my head but I believe I had this setup by splitting the radeon card into
> two device entries and adding a third screen section and having it be
> "RightOf" screen1 and moving the intel device to screen2.
>
> Is what I want possible? Can anyone help with suggestions about config
> changes?
>
> Here is the listing from lspci:
>
> 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
> Processor Family Integrated Graphics Controller (rev 09)
> 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
> Caicos [Radeon HD 6450/7450/8450]
>
> Here is my current xorg.conf:
>
> ###Section "ServerLayout"
> ###     Identifier "layout0"
> ###     Screen  0 "screen0"
> ###     Screen  1 "screen1" Above "screen0"
> ###EndSection
>
> Section "Screen"
>         Identifier "screen0"
>         Device     "radeon0"
>         DefaultDepth     24
>         Monitor "apple0"
>         SubSection "Display"
>                 Depth     24
>         EndSubSection
> EndSection
>
> Section "Screen"
>         Identifier "screen1"
>         Device     "intel"
>         DefaultDepth     24
>         Monitor "dell"
>         SubSection "Display"
>                 Depth     24
>         EndSubSection
> EndSection
>
> Section "Device"
>         Identifier  "radeon0"
>         Driver      "radeon"
>         BusID       "PCI:1:0:0"
>         Option      "Monitor-DisplayPort-1" "apple0"
>         Option      "Monitor-DVI-0" "apple1"
> EndSection
>
> Section "Device"
>         Identifier  "intel"
>         Driver      "intel"
>         BusID       "PCI:0:2:0"
>         Option      "Monitor-VGA1" "dell"
> EndSection
>
> Section "Monitor"
>         Identifier   "apple0"
> EndSection
>
> Section "Monitor"
>         Identifier   "apple1"
>         Option      "RightOf" "apple0"
> EndSection
>
> Section "Monitor"
>         Identifier   "dell"
>         Option      "Above" "apple0"
> EndSection
>
> Thanks for your help!
> Brandon
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.x.org/archives/xorg/attachments/20131023/0f717ae2/attachment.html>