radeon - How to set up resoluton and frequency?

[Mike Holstein]

On Oct 15, 2012 8:47 AM, "Ralf Mardorf" <ralf.mardorf at alice-dsl.net> wrote:
>
> Hi :)
>
> I need information how to set up the radeon driver for Ubuntu Studio
> Precise (and Quantal RC) amd64.
> I've got working xorg.confs for Suse and Arch Linux also 64-bit
> installs, but until now I can't get it working properly with Ubuntu
> Studio.
>
> https://help.ubuntu.com/community/RadeonDriver does link to Arch
> Linux :(. So as an example I'll attach my working xorg.conf from Arch,
> that doesn't work for Ubuntu Studio.
>
> I still continue trial and error, but perhaps somebody can lead into the
> right direction.

https://help.ubuntu.com/community/BinaryDriverHowto/ATI is what I have
used. Either just the "additonal drivers" gui or the command line. I have
an nvidia card where setting the resolution was problematic for me, so I
use a custom xorg.conf. I grabbed this config from a knoppix live cd
running on the hardware in question and edited a few things.

Is the gui working for you to install the driver? If so, does it generate
its own xorg.conf? Have you tried the xorg.conf you are troubleshooting
with the vesa driver?
>
> [spinymouse at archlinux ~]$ cat /etc/X11/xorg.conf
> Section "Module"
>         Load  "extmod"
>         Load  "dri"
>         Load  "dbe"
>         Load  "dri2"
>         Load  "glx"
>         Load  "record"
>         Load            "GLcore"
>         #Load           "v4l"
> EndSection
>         Section "Monitor"
>         Identifier   "Monitor0"
>         VendorName   "Plug 'n' Play"
>         ModelName    "Plug 'n' Play"
>         DisplaySize  305 230
>         HorizSync    29-98
>         VertRefresh  50-120
>         modeline        "1152x864" 128.42 1152 1232 1360 1568 864 865 868
910
>         Gamma   1.0
> EndSection
>
> Section "Device"
>         ### Available Driver options are:-
>         ### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
>         ### <string>: "String", <freq>: "<f> Hz/kHz/MHz"
>         ### [arg]: arg optional
>         #Option     "SWcursor"                  # [<bool>]
>         #Option     "HWcursor"                  # [<bool>]
>         #Option     "NoAccel"                   # [<bool>]
>         #Option     "ShadowFB"                  # [<bool>]
>         #Option     "VideoKey"                  # <i>
>         #Option     "MergedFB"  "off"           #old debian/ubuntu
>         Identifier  "Card0"
>         Driver      "radeon"
>         #Driver     "nvidia"
>         #Driver     "nv"
>         #Driver     "nouveau"
>         #Driver     "vesa"
>         #VendorName  "nVidia Corporation"
>         #BoardName   "G72 [GeForce 7300 SE/7200 GS]"
>         #BusID       "PCI:1:0:0"
> EndSection
>
> Section "Screen"
>         Identifier "Screen0"
>         Device     "Card0"
>         Monitor    "Monitor0"
>
>         Defaultdepth    24
>         SubSection "Display"
>                 Depth   24
>                 Modes      "1152x864"
>                 #Virtual    3840 1200
>         EndSubSection
>
> #       SubSection "Display"
> #               Viewport   0 0
> #               Depth     1
> #       EndSubSection
> #       SubSection "Display"
> #               Viewport   0 0
> #               Depth     4
> #       EndSubSection
> #       SubSection "Display"
> #               Viewport   0 0
> #               Depth     8
> #       EndSubSection
> #       SubSection "Display"
> #               Viewport   0 0
> #               Depth     15
> #       EndSubSection
> #       SubSection "Display"
> #               Viewport   0 0
> #               Depth     16
> #       EndSubSection
> #       SubSection "Display"
> #               Viewport   0 0
> #               Depth     24
> #       EndSubSection
> EndSection
>
> If I don't use a xorg.conf with Ubuntu Studio, the vertical frequency is
> at 60Hz and maximal resolution is limited to 1024x768. For Arch and Suse
> I get >75Hz, resp. =90Hz and the wanted higher resolution. This doesn't
> change if I use my Arch's xorg.con with Ubuntu Studio. After editing
> this xorg.conf, Ubuntu Studio didn't start X anymore.
>
> Regards,
> Ralf
>
>
> --
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