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fedora-users: Re: F-18 display setting problem -

Re: F-18 display setting problem -

From: Bob Goodwin - Zuni, Virginia, USA <bobgoodwin_at_nospam>
Date: Sun Mar 03 2013 - 10:57:23 GMT
To: users@lists.fedoraproject.org

On 03/03/2013 04:57 AM, Marko Vojinovic wrote:
> Ok, this is the relevant portion of the file:
>
> [ 31.968] (II) RADEON(0): EDID for output VGA-0
> [ 31.968] (II) RADEON(0): Printing probed modes for output VGA-0
> [ 31.968] (II) RADEON(0): Modeline "1024x768"x60.0 65.00 1024
> 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz e)
> [ 31.968] (II) RADEON(0): Modeline "800x600"x60.3 40.00 800 840
> 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz e)
> [ 31.968] (II) RADEON(0): Modeline "800x600"x56.2 36.00 800 824
> 896 1024 600 601 603 625 +hsync +vsync (35.2 kHz e)
> [ 31.968] (II) RADEON(0): Modeline "848x480"x60.0 33.75 848 864
> 976 1088 480 486 494 517 +hsync +vsync (31.0 kHz e)
> [ 31.968] (II) RADEON(0): Modeline "640x480"x59.9 25.18 640 656
> 752 800 480 489 492 525 -hsync -vsync (31.5 kHz e)
>
> So the EDID is being read.
>
> This readout can mean two things: either your monitor is reporting only
> these resolutions as supported (and X chooses the highest one
> available, 1024x768), or the radeon driver is probing only for these
> resolutions (probably as a consequence of a config file).
>
> So we need two more pieces of information: (1) the exact make and model
> of your monitor, and possibly a link to its instruction manual or
> technical specifications or similar (google is your friend),
ViewSonic VX2035WM

Specifications
LCD
Type
Color Filter
Glass Surface
20.1” (full 20.1" viewable diagonal area),
TFT (Thin Film Transistor), Active Matrix WSXGA+ LCD,
0.258 mm pixel pitch
RGB vertical stripe
Anti-Glare
Input Signal Video RGB analog (0.7/1.0 Vp-p, 75 ohms) / TMDS Digital
(100ohms)
              Sync Separate Sync,
                  fh:30-82 kHz, fv:50-85 Hz
Compatibility PC Up to 1680 x 1050 Non-interlaced
                 Power Macintosh up to 1680 x 1050
Macintosh1
Resolution Recommended 1680 x 1050 @ 60 Hz
            and supported 1600 x 1200 @ 60 Hz
                         1400 x 1050 @ 60, 75 Hz
                        1280 x 1024 @ 60, 70, 72 Hz
                       1024 x 768 @ 60, 70, 72, 75, 85 Hz
                      800 x 600 @ 56, 60, 72, 75, 85 Hz
                     640 x 480 @ 60, 75, 85 Hz
                    720 x 400 @ 70 Hz
Power Voltage 100-240 VAC, 50-60 Hz (auto switch)

Source:
http://www.viewsonic.com/us/support/downloads/search_user_guides/?prod_name=vx2035wm
> and (2)
> the contents of /etc/X11/xorg.conf.d/ directory (the files should be
> small, copy-paste them directly into the e-mail).
[bobg@box10 ~]$ ll /etc/X11/xorg.conf.d/
total 16
-rw-rw-r--. 1 root root 161 Feb 28 04:42 00-anaconda-keyboard.conf
-rw-rw-r--. 1 root root 551 Mar 2 10:16 10-monitor-conf
-rw-rw-r--. 1 root root 543 Mar 1 19:23 10-monitor-conf~
-rw-r--r--. 1 root root 549 Mar 1 19:22 10-monitor-conf.test

Presently as created by my attempts, works good but at 1024x768:

[bobg@box10 ~]$ cat /etc/X11/xorg.conf.d/10-monitor-conf
# /etc/X11/xorg.conf.d/10-monitor-conf
#

    Section "Monitor"
             Identifier "Monitor0"
    EndSection

    Section "Device"
             Identifier "Videocard0"
             Driver "radeon"
    EndSection

    Section "Screen"
             Identifier "Screen0"
             Device "Videocard0"
             Monitor "Monitor0"
             DefaultDepth 16
             SubSection "Display"
                 Viewport 0 0
                 Depth 16
                 Modes "1680x1050_75.0"
              EndSubSection
    EndSection

>
> If your monitor is too old or has a broken EDID information, we'll
> probably set up manual modelines for your desired resolution in the
> config files. But first we should see the current configuration.
The monitor is old, perhaps 4 years, but little used, an artifact of the
last Windows computer in the house, replaced by an iPad, etc. Still too
good to toss overboard ...

Thanks,

Bob
>
> HTH,:-)

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