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Thread: Is there any guide on xorg.conf for ATI?

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  1. #1

    Default Is there any guide on xorg.conf for ATI?

    Is there any guide on how to configure xorg.conf for ATI proprietary drivers? I'm losing my mind on this.

  2. #2
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    Use as close to a vanilla xorg.conf as possible and configure with aticonfig, not by editing xorg.conf.

    The Catalyst / fglrx driver uses xorg.conf primarily for configuring the X server, and uses a separate mechanism for driver configuration. The info is stored in the amdpcsdb file (or maybe atipcsdb, I forget) where pcsdb is short for something like Persistent Configuration Store DataBase. I believe aticonfig changes both xorg.conf and amdpcsdb as needed.

    The aticonfig --initial command syncs up the pcsdb and xorg.conf files if the xorg.conf is pretty much vanilla -- if more changes are required the -f option lets aticonfig --initial make more significant changes to xorg.conf. From that point you use the aticonfig command to configure driver options -- try something like aticonfig --help to get the options.

    The names are in the process of changing from ati... to amd..., not sure what current status is.
    Last edited by bridgman; 01-20-2012 at 10:55 PM.

  3. #3

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    Maybe you can help me then. I use an ATI Mobility Radeon HD 6370 with proprietary drivers v11.8 in Ubuntu 11.10 64 bit and I can't get it to detect an external monitor through HDMI. Not with the Catalyst software nor with the "Displays" utility. I just want to set up a simple and straight forward clone display configuration to see my laptop output on my HD TV monitor. I can do this without any trouble in Windows 7 (same machine, dual boot) so I know there's nothing wrong with my hardware (laptop, cable or TV monitor).

    I thought it had to do with my xorg.conf, but I don't really know how that works. I recently discovered that if I run xrandr i get:

    Code:
    Screen 0: minimum 320 x 200, current 1600 x 900, maximum 1600 x 1600
    LVDS connected 1600x900+0+0 (normal left inverted right x axis y axis) 382mm x 215mm
       1600x900       60.0*+
       1440x900       60.0 +
       1280x800       60.0 +
       1152x864       60.0 +
       1280x768       60.0 +
       1280x720       60.0 +
       1024x768       60.0 +
       1280x600       60.0 +
       1024x600       60.0 +
       800x600        60.0 +
       800x480        60.0 +
       640x480        60.0 +
    CRT1 disconnected (normal left inverted right x axis y axis)
    And as far as I can tell, the card has got an HDMI and a VGA port which should be at least listed as "disconnected", shouldn't they?

    Or maybe It is just completely unrelated and I have no idea what's going on.

    Any help appreciated

  4. #4
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    I think CRT1 may be the VGA port, FWIW

  5. #5
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    Can you pastebin your xorg log ?

  6. #6

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    Im not sure which log will help, I'm absolutely new to this. This is my Xorg.0.log which is the one that was most recently modified.

    http://openpaste.org/D5f8136b

  7. #7

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    Im not sure which log will help, I'm absolutely new to this. This is my Xorg.0.log which is the one that was most recently modified.

    openpaste.org/D5f8136b

  8. #8
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    Thanks.

    You seem to have two GPUs in there -- one is the HD4250 IGP and the other is the HD6370M discrete.

    I don't remember current status of RandR support for multiple GPUs but my guess is that you are getting results from the first GPU, which is probably the HD4250 with the LVDS display and VGA connectors attached, and the HDMI is probably connected to the HD6370.

    I imagine you'll need to use the Catalyst control panel to see all the displays; xrandr will only cover a single GPU.

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