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Thread: How to get highest resolution on external display automatically? (radeon driver)

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  1. #1
    Join Date
    Sep 2009
    Posts
    27

    Default How to get highest resolution on external display automatically? (radeon driver)

    Hi!

    After the hint to use the free radeon driver instead of a half working fglrx I got another problem I can't solve:
    I'm using a Thinkpad T60 with Debian testing and KDE. If it's on its docking station and I start it I never get the correct resolution on the external display automatically. With fglrx the laptop display was turned off and the resolution was set to 1900x1200 on the external display. Now the internal LCD isn't turned off and the resolution is set to 1280x960 on both displays. When I go into "System Settings" -> "Display", the resolution is set to 1900x1200 directly on the external display but it's a bit annoying to do that after every boot. How can I get the behaviour I had with the fglrx (internal LCD off, resolution to max on the external one)?

    My xorg.conf:
    Code:
    [..]                    
    
    Section "Device"
            Identifier      "Configured Video Device"
            Option          "UseFBDev"              "true"
    EndSection                                            
    
    Section "DRI"
            Mode         0666
    EndSection               
    
    Section "ServerLayout"
            Identifier     "Builtin Default Layout"
            Screen      0  "aticonfig-Screen[0]-0" 0 0
    EndSection
    
    Section "Module"
            SubSection  "extmod"
              Option  "omit xfree86-dga"
            EndSubSection
            Load  "dbe"
            Load  "GLcore"
            Load  "freetype"
            Load  "record"
            Load  "dri"
    EndSection
    
    Section "Monitor"
            Identifier   "aticonfig-Monitor[0]-0"
            Option      "VendorName" "ATI Proprietary Driver"
            Option      "ModelName" "Generic Autodetecting Monitor"
            Option      "DPMS" "true"
    EndSection
    
    Section "Device"
            Driver          "radeon"
            VendorName      "ATI Technologies Inc"
            BoardName       "Radeon X1400"
            Identifier      "X1400"
            BusID           "PCI:1:0:0"
            Option          "UseInternalAGPGART" "no"
            Option          "MonitorLayout"         "TDMS, LVDS"
            Option          "DynamicClocks"         "on"
    EndSection
    
    Section "Screen"
            Identifier "aticonfig-Screen[0]-0"
            Device     "X1400"
            Monitor    "aticonfig-Monitor[0]-0"
            DefaultDepth 24
            SubSection "Display"
                    Modes "1900x1200" "1400x1050" "1280x1024"
                    Viewport   0 0
                    Depth     24
            EndSubSection
    EndSection
    
    
    Section "Extensions"
            Option  "Composite"     "1"
    EndSection
    Last edited by moritz; 09-14-2009 at 06:20 AM.

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