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Re: intel driver and dual screen



On Jan 16, 2008 3:14 PM, Simo Sorce <ssorce redhat com> wrote:
>
> On Wed, 2008-01-16 at 12:52 +0100, Valent Turkovic wrote:
> > Hi,
> > when I connect external LCD monitor to my laptop's VGA connector I get
> > image on both monitors with the "same" resolution - just that the one
> > on the laptop is cropped.
> > Laptop supports 1280x800 and LCD 1280x1024 so I see the same desktop
> > on both screens just I don't see the bottom part on laptop screen.
> >
> > I would like to have an option to do two things:
> > 1. to turn off the laptop screen when I'm using only the external one.
> > (I have vista on this laptop also but I don't use it - under vista I
> > can use FN+F4 to rotate video modes and in one video mode only
> > external LCD is on, under Fedora 8 FN+F4 does nothing)
> > 2. ability to switch both screens on but not in mirror mode but in
> > dual screen mode.
> >
> > I'm using Fedora 8 with latest updates and with intel 2.1.1 driver.
> >
> > Are there any intel utilities that make managing video setup easier?
> > Can you please point me to some web resources that address issues I
> > mentioned.
> >
> > Thank you in advance,
> > Valent.
>
> I have exactly the same situation, I have a xrandr command I start from
> my session that sets up the dual screen thing:
>
> xrandr --output VGA --right-of LVDS
>
> to shutdown the LCD: xrandr --output LVDS off
>
> See xrandr --help for more fun
>
> Simo.

This doesn't work for me :(

$ xrandr --output LVDS off
usage: xrandr [options]
  where options are:
  -display <display> or -d <display>
  -help
  -o <normal,inverted,left,right,0,1,2,3>
            or --orientation <normal,inverted,left,right,0,1,2,3>
  -q        or --query
  -s <size>/<width>x<height> or --size <size>/<width>x<height>
  -r <rate> or --rate <rate> or --refresh <rate>
  -v        or --version
  -x        (reflect in x)
  -y        (reflect in y)
  --screen <screen>
  --verbose
  --dryrun
  --prop or --properties
  --fb <width>x<height>
  --fbmm <width>x<height>
  --dpi <dpi>/<output>
  --output <output>
      --auto
      --mode <mode>
      --preferred
      --pos <x>x<y>
      --rate <rate> or --refresh <rate>
      --reflect normal,x,y,xy
      --rotate normal,inverted,left,right
      --left-of <output>
      --right-of <output>
      --above <output>
      --below <output>
      --same-as <output>
      --set <property> <value>
      --off
      --crtc <crtc>
  --newmode <name> <clock MHz>
            <hdisp> <hsync-start> <hsync-end> <htotal>
            <vdisp> <vsync-start> <vsync-end> <vtotal>
            [+HSync] [-HSync] [+VSync] [-VSync]
  --rmmode <name>
  --addmode <output> <name>
  --delmode <output> <name>


As you can see it only lists xrandr help and does nothing to laptop screen.

When I run xrandr --properties I get monitors to flash and this output:



$ xrandr --properties
Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 1280 x 1280
VGA connected 1280x1024+0+0 (normal left inverted right x axis y axis)
376mm x 301mm
        EDID_DATA:
                00ffffffffffff00410c470801010101
                181001030e261e78ee6d65a25a4c9d23
                134f54bfef80714f8140818001010101
                010101010101302a009851002a403070
                1300782d1100001e000000ff00204155
                20203030323532390a20000000fc0050
                68696c69707320313930560a000000fd
                00384c1e530e000a20202020202000fa
   1280x1024      60.0*+   75.0     59.9
   1280x960       59.9
   1152x864       75.0     74.8
   1024x768       75.1     70.1     60.0
   832x624        74.6
   800x600        72.2     75.0     60.3     56.2
   640x480        75.0     72.8     66.7     60.0
   720x400        70.1
LVDS connected 1280x800+0+0 (normal left inverted right x axis y axis)
331mm x 207mm
        EDID_DATA:
                00ffffffffffff004493270000000000
                000f0103802115780a4dc0935c518827
                21505400000001010101010101010101
                010101010101ea1a0080502010301520
                44004bcf100000180000000f0008002a
                0001000400324a041402000000fe0051
                55414e5441444953504c4159000000fe
                0051443135544c3032340a20202000aa
        BACKLIGHT: 0 (0x00000000) range:  (0,0)
   1280x800       60.0*+   60.0
   1280x768       60.0
   1280x720       60.0
   1024x768       60.0
   800x600        60.3
   640x480        59.9
TV disconnected (normal left inverted right x axis y axis)
        BOTTOM: 37 (0x00000025) range:  (0,100)
        RIGHT: 46 (0x0000002e) range:  (0,100)
        TOP: 36 (0x00000024) range:  (0,100)
        LEFT: 54 (0x00000036) range:  (0,100)
        TV_FORMAT: NTSC-M
                supported: NTSC-M       NTSC-443     NTSC-J       PAL-M
                           PAL-N        PAL          480p 59 94Hz 480p 60Hz
                           576p         720p 60Hz    720p 59 94Hz 720p 50Hz
                           1080i 50Hz   1080i 60Hz   1080i 59 94H

-- 
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