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Thread: 2 Screens ATI Video - can't use second screen

  1. #21
    Join Date
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    Ubuntu 12.10 Quantal Quetzal

    Re: 2 Screens ATI Video - can't use second screen

    Without the browser running, the keyboard entries just go off into Never Never Land, with mouse clicks still being meaningful on screen 2.

  2. #22
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    Re: 2 Screens ATI Video - can't use second screen

    You don't own a shotgun, do you?

    OK. I'll try to get back to this, but I can't guarantee how soon.

    (Step away from the shotgun, Miss...)

  3. #23
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    Re: 2 Screens ATI Video - can't use second screen

    Still there, erinspice?

    Took a bit longer to get back to this than I thought.

    This wasn't happening when you were using the open source, default driver that comes with Ubuntu?

    I'm going to post my xorg.conf, but remember that his will not likely be exactly what you need.

    Notice my "Monitor" sections and the additional info I have there. Also notice that for the second monitor I have "Position" "1920 0". This makes sure the upper left corner of the right hand screen matches the upper right hand corner of the left hand screen.

    Notice the "Screen" sections. The second on particularly. Notice the word "Virtual" That's for 1920x1080 resolution.

    All through the xorg.conf, there will be differences based on resolution, refresh rates, etc.

    Don't take this as gospel, because it is surely going to need some changes due to your particular case. And make a copy of your current xorg.conf before you do anything, of course.

    I still haven't found anything on the weird I/O issues. Still poking around on that one.

    Code:
    Section "ServerLayout"
        Identifier     "amdcccle Layout"
        Screen      0  "amdcccle-Screen[1]-0" 0 0
    EndSection
    
    Section "Module"
        Load  "glx"
    EndSection
    
    Section "Monitor"
        Identifier   "0-DFP3"
        Option        "VendorName" "ATI Proprietary Driver"
        Option        "ModelName" "Generic Autodetecting Monitor"
        Option        "DPMS" "true"
        Option        "PreferredMode" "1920x1080"
        Option        "TargetRefresh" "60"
        Option        "Position" "0 0"
        Option        "Rotate" "normal"
        Option        "Disable" "false"
    EndSection
    
    Section "Monitor"
        Identifier   "0-DFP4"
        Option        "VendorName" "ATI Proprietary Driver"
        Option        "ModelName" "Generic Autodetecting Monitor"
        Option        "DPMS" "true"
        Option        "PreferredMode" "1920x1080"
        Option        "TargetRefresh" "61"
        Option        "Position" "1920 0"
        Option        "Rotate" "normal"
        Option        "Disable" "false"
    EndSection
    
    Section "Device"
        Identifier  "amdcccle-Device[1]-0"
        Driver      "fglrx"
        Option        "Monitor-DFP3" "0-DFP3"
        Option        "Monitor-DFP4" "0-DFP4"
        BusID       "PCI:1:0:0"
    EndSection
    
    Section "Screen"
        Identifier "Default Screen"
        DefaultDepth     24
    EndSection
    
    Section "Screen"
        Identifier "amdcccle-Screen[1]-0"
        Device     "amdcccle-Device[1]-0"
        DefaultDepth     24
        SubSection "Display"
            Viewport   0 0
            Virtual   3840 1920
            Depth     24
        EndSubSection
    EndSection

  4. #24
    Join Date
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    Ubuntu 12.10 Quantal Quetzal

    Re: 2 Screens ATI Video - can't use second screen

    OK, I think we are almost there. I've incorporated most of your changes into my config, and now I'm getting #2 cloning #1. Can you spot an error or omission here?

    Code:
    Section "Module"
    	Load	"glx"
    EndSection
    
    Section "ServerLayout"
    	Identifier     "aticonfig Layout"
    	Screen      0  "aticonfig-Screen[0]-0" 0 0
    EndSection
    
    Section "Monitor"
    	Identifier   "aticonfig-Monitor[0]-0"
    	Option	    "VendorName" "ATI Proprietary Driver"
    	Option	    "ModelName" "Generic Autodetecting Monitor"
    	Option	    "DPMS" "true"
        Option        "PreferredMode" "1680x1050"
        #Option        "TargetRefresh" "60"
        Option        "Position" "0 0"
        Option        "Rotate" "normal"
        Option        "Disable" "false"
    EndSection
    
    Section "Monitor"
    	Identifier   "aticonfig-Monitor[0]-1"
    	Option	    "VendorName" "ATI Proprietary Driver"
    	Option	    "ModelName" "Generic Autodetecting Monitor"
    	Option	    "DPMS" "true"
        Option        "PreferredMode" "1680x1050"
        #Option        "TargetRefresh" "61"
        Option        "Position" "1680 0"
        Option        "Rotate" "normal"
        Option        "Disable" "false"
    EndSection
    
    Section "Device"
    	Identifier  "aticonfig-Device[0]-0"
    	Driver      "fglrx"
    	Option		"SWCursor" "on"
    	Option		"Monitor-DFP3" "aticonfig-Monitor[0]-0"
    	Option		"Monitor-DFP4" "aticonfig-Monitor[0]-1"
    	BusID       "PCI:1:0:0"
    EndSection
    
    Section "Screen"
        Identifier "Default Screen"
        DefaultDepth     24
    EndSection
    
    Section "Screen"
    	Identifier "aticonfig-Screen[0]-0"
    	Device     "aticonfig-Device[0]-0"
    	#Monitor    "aticonfig-Monitor[0]-0"
    	DefaultDepth	24
    	SubSection "Display"
    		Viewport   0 0
    		Virtual		3360 1680
    		Depth     24
    	EndSubSection
    EndSection
    Last edited by erinspice; March 26th, 2012 at 03:29 PM.

  5. #25
    Join Date
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    Ubuntu 12.10 Quantal Quetzal

    Re: 2 Screens ATI Video - can't use second screen

    The names "Monitor-DFP3" and "Monitor-DFP4" are definitely wrong. I have mentions of DFP1, DFP2, CRT1, and CRT2 in my Xorg.0.log. The closest I've gotten so far is when I tried DFP1 and CRT2, the windows were cloned between the two monitors, but my mouse was not, and the video on monitor #2 was distorted.


    EDIT: I got it working. I had moved the Virtual directive, so renaming the monitors should have worked by itself. This also solved my input problems. Thanks, QIII!

    final:
    Code:
    Section "ServerLayout"
    	Identifier     "aticonfig Layout"
    	Screen      0  "aticonfig-Screen[0]-0" 0 0
    EndSection
    
    Section "Module"
    	Load	"glx"
    EndSection
    
    Section "Monitor"
    	Identifier   "aticonfig-Monitor[0]-0"
    	Option	    "VendorName" "ATI Proprietary Driver"
    	Option	    "ModelName" "Generic Autodetecting Monitor"
    	Option	    "DPMS" "true"
        Option        "PreferredMode" "1680x1050"
        #Option        "TargetRefresh" "60"
        Option        "Position" "0 0"
        Option        "Rotate" "normal"
        Option        "Disable" "false"
    EndSection
    
    Section "Monitor"
    	Identifier   "aticonfig-Monitor[0]-1"
    	Option	    "VendorName" "ATI Proprietary Driver"
    	Option	    "ModelName" "Generic Autodetecting Monitor"
    	Option	    "DPMS" "true"
        Option        "PreferredMode" "1680x1050"
        #Option        "TargetRefresh" "61"
        Option        "Position" "1680 0"
        Option        "Rotate" "normal"
        Option        "Disable" "false"
    EndSection
    
    Section "Device"
    	Identifier  "aticonfig-Device[0]-0"
    	Driver      "fglrx"
    	#Option		"SWCursor" "on"
    	Option		"Monitor-DFP1" "aticonfig-Monitor[0]-0"
    	Option		"Monitor-CRT2" "aticonfig-Monitor[0]-1"
    	BusID       "PCI:1:0:0"
    EndSection
    
    Section "Screen"
        Identifier "Default Screen"
        DefaultDepth     24
    EndSection
    
    Section "Screen"
    	Identifier "aticonfig-Screen[0]-0"
    	Device     "aticonfig-Device[0]-0"
    	#Monitor    "aticonfig-Monitor[0]-0"
    	DefaultDepth	24
    	SubSection "Display"
    		Virtual		3360 1680
    		Viewport   0 0
    		Depth     24
    	EndSubSection
    EndSection
    Last edited by erinspice; March 26th, 2012 at 04:17 PM.

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