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List: freedesktop-xorg
Subject: Re: triple screen setup with intel and radeon cards
From: Brandon Sawyers <brandor5 () gmail ! com>
Date: 2013-10-23 16:59:11
Message-ID: CAJy7+HNOoku5mcJ-Hv1v63w25ki7PGG9Qs-poU+4P9N3KE4BmQ () mail ! gmail ! com
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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@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
>
[Attachment #5 (text/html)]
<div dir="ltr">Since I sent this at almost midnight last time, I figured I'd send \
once more during the day in hopes of more \
visibility.<div><br></div><div>Thanks,</div><div>Brandon</div><div \
class="gmail_extra"><br><div class="gmail_quote"> On Sun, Oct 20, 2013 at 11:06 PM, \
Brandon Sawyers <span dir="ltr"><<a href="mailto:brandor5@gmail.com" \
target="_blank">brandor5@gmail.com</a>></span> wrote:<br><blockquote \
class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex"> <div dir="ltr"><div><div><div>Hello everyone:<br><br>I'm \
trying to get three monitors going with a built-in intel chipset and a discrete \
radeon card. <br></div><div> 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.<br>
<br></div><div>I'm running into one of two problems. <br><br>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.<br>
<br></div><div>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.<br>
<br></div><div>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.<br>
</div><div><br></div><div>Is what I want possible? Can anyone help with suggestions \
about config changes?<br></div><div><br></div>Here is the listing from \
lspci:<br><br>00:02.0 VGA compatible controller: Intel Corporation 2nd Generation \
Core Processor Family Integrated Graphics Controller (rev 09)<br>
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Caicos \
[Radeon HD 6450/7450/8450]<br><br></div>Here is my current \
xorg.conf:<br><br></div><div>###Section "ServerLayout"<br>### \
Identifier "layout0"<br>
### Screen 0 "screen0"<br>### Screen 1 "screen1" Above \
"screen0"<br>###EndSection<br><br>Section "Screen"<br> \
Identifier "screen0"<br> Device "radeon0"<br>
DefaultDepth 24<br> Monitor "apple0"<br> \
SubSection "Display"<br> Depth 24<br> \
EndSubSection<br>EndSection<br><br>Section "Screen"<br> Identifier \
"screen1"<br>
Device "intel"<br> DefaultDepth 24<br> \
Monitor "dell"<br> SubSection "Display"<br> \
Depth 24<br> EndSubSection<br>EndSection<br> <br>
Section "Device"<br> Identifier "radeon0"<br> \
Driver "radeon"<br> BusID "PCI:1:0:0"<br> \
Option "Monitor-DisplayPort-1" "apple0"<br>
Option "Monitor-DVI-0" \
"apple1"<br>EndSection<br><br>Section "Device"<br> \
Identifier "intel"<br> Driver "intel"<br> \
BusID "PCI:0:2:0"<br>
Option "Monitor-VGA1" \
"dell"<br>EndSection<br><br>Section "Monitor"<br> \
Identifier "apple0"<br>EndSection<br><br>Section "Monitor"<br> \
Identifier "apple1"<br>
Option "RightOf" \
"apple0"<br>EndSection<br><br>Section "Monitor"<br> \
Identifier "dell"<br> Option "Above" \
"apple0"<br>EndSection<br>
<br><div><div>Thanks for your help!<span class="HOEnZb"><font \
color="#888888"><br></font></span></div><span class="HOEnZb"><font \
color="#888888"><div>Brandon<br></div></font></span></div></div></div> \
</blockquote></div><br></div></div>
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