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toojays
Apprentice
Joined: 21 Jul 2002
Posts: 150
Location: Adelaide, Australia
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 Posted: Thu Sep 30, 2004 7:21 am Post subject: anyone have clone mode working on iBook G4? |
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I'm trying to setup my iBook G4 (Radeon 9200) to use an external CRT as a mirrored display of the LCD. At the moment I have Xorg 6.7, and it looks like with this version you can have LCD or CRT, but not both at the same time. To change between the two you need to edit the xorg.conf and comment out the UseFBDev option.
From some googling, it looks like it _might_ be possible to achieve what I want with Xorg 6.8. Does anybody have this working? |
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toojays
Apprentice
Joined: 21 Jul 2002
Posts: 150
Location: Adelaide, Australia
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| Posted: Thu Sep 30, 2004 12:47 pm Post subject: |
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| Okay, I've upgraded to xorg 6.8, and with this one, I can get the CRT and LCD going at the same time if I comment out UseFBDev, but the LCD panel flickers, so it's not useable. Any clues? |
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gentoo_user2003
n00b
Joined: 21 Sep 2003
Posts: 30
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| Posted: Sat Oct 23, 2004 2:05 am Post subject: |
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| No, but I would be happy just to use the CRT and turn off the LCD when at home. Can you post your config please? |
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bruda
Guru
Joined: 06 May 2004
Posts: 376
Location: Sherbrooke, QC, Canada
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| Posted: Sat Oct 23, 2004 5:09 pm Post subject: |
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Here is what I have for a rev III Tibook. I got the idea from some mailing list, I no longer remember the name of the poster or the actual list.
To start things of, I have three device sections:
- One is for the normal operation (no mirroring):
| Code: | Section "Device"
Identifier "RadeonAlone"
Driver "radeon"
# BusID "PCI:0:16:0"
Option "AGPMode" "4"
Option "AGPFastWrite" "true"
Option "EnablePageFlip" "true"
Option "RenderAccel" "true"
Option "backingstore"
Option "UseFBDev"
EndSection |
The other one is for the internal LCD in mirroring mode:
| Code: | Section "Device"
Identifier "RadeonInternal"
Driver "radeon"
# BusID "PCI:0:16:0"
Option "AGPMode" "4"
Option "AGPFastWrite"
Option "EnablePageFlip"
## parameterization:
Option "UseFBDev"
Option "MonitorLayout" "LVDS,CRT"
Screen 0
EndSection |
Finally, here is the device for the external monitor:
| Code: | Section "Device"
Identifier "RadeonExternal"
Driver "radeon"
# BusID "PCI:0:16:0"
Option "AGPMode" "4"
Option "AGPFastWrite"
Option "EnablePageFlip"
## parameterization:
Option "UseFBDev" "false"
Option "MonitorLayout" "LVDS,CRT"
Screen 1
EndSection |
Now, I have in a similar fashion three screen sections (names say it all):
| Code: | Section "Screen"
Identifier "Screen alone on LCD"
Device "RadeonAlone"
Monitor "TibookLCD"
DefaultDepth 24
#DefaultFbBpp 32
SubSection "Display"
Depth 8
Modes "1280x854" "1152x768" "1152x864" "1024x768" "800x600"
#Virtual 1280 854
EndSubSection
SubSection "Display"
Depth 16
Modes "1280x854" "1152x768" "1152x864" "1024x768" "800x600"
#Virtual 1280 854
EndSubSection
SubSection "Display"
Depth 24
Modes "1280x854" "1152x768" "1152x864" "1024x768" "800x600"
#Virtual 1280 854
EndSubSection
EndSection
Section "Screen"
Identifier "Screen on LCD mirrored"
Device "RadeonInternal"
Monitor "TibookLCD"
DefaultDepth 24
#DefaultFbBpp 32
SubSection "Display"
Depth 8
Modes "1280x854" "1152x768" "1152x864" "1024x768" "800x600"
#Virtual 1280 854
EndSubSection
SubSection "Display"
Depth 16
Modes "1280x854" "1152x768" "1152x864" "1024x768" "800x600"
#Virtual 1280 854
EndSubSection
SubSection "Display"
Depth 24
Modes "1280x854" "1152x768" "1152x864" "1024x768" "800x600"
#Virtual 1280 854
EndSubSection
EndSection
Section "Screen"
Identifier "Screen on VGAOut 1024x768"
Device "RadeonExternal"
Monitor "VGAOut"
DefaultDepth 24
#DefaultFbBpp 32
SubSection "Display"
Depth 8
Modes "1024x768" "800x600"
EndSubSection
SubSection "Display"
Depth 16
Modes "1024x768" "800x600"
EndSubSection
SubSection "Display"
Depth 24
Modes "1024x768" "800x600"
EndSubSection
EndSection |
Finally, I use three server layouts. The first one is for no mirroring mode:
| Code: | Section "ServerLayout"
Identifier "Single"
Screen "Screen alone on LCD"
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection |
and this is what I use for day to day operation. The second layout does work in a one-shot mode: whenever I kill X (e.g., by logging out) the displays die for good and only a reboot fixes this.
| Code: | Section "ServerLayout"
Identifier "Mirror"
Screen "Screen on LCD mirrored"
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection |
Since I use my machine to project things quite rarely, this is acceptable for me and this is what I use when I want to mirror. Be warned that the external monitor seems to need to be plugged in on bootup for this to work. The third layout is the most promising, but for reasons I forgot it did not quite work for me. I meant to try to fix it with the new Xorg but I did not find time to do so. It might work though, and as I said this looks like the most elegant solution, so here it is:
| Code: | ## Xinerama cloning
Section "ServerLayout"
Identifier "XClone"
Screen "Screen on LCD mirrored"
Screen "Screen on VGAOut 1024x768" Relative "Screen on LCD mirrored" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
Option "Xinerama" "true"
EndSection |
One day I will get back to the problem, so please post successes (or insuccesses), fixes, etc.
Hope this helps,
Stefan
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