[XFree86] DisplaySize ignored

Sat, 22 Feb 2003 22:19:05 -0800

Hi,

In XF86Config-4, i have the display set to 31.2cm wide:

Section "Monitor"
         Identifier      "Philips"
         VendorName      "Philips"
         ModelName       "C20 (CM0500)"
         HorizSync       31.5,35.2,37.8,48,56,64
         DisplaySize     312 234
         VertRefresh     50-90
         Option          "DPMS"
         Gamma           2.4 2.5 2.6
EndSection

Section "Screen"
         Identifier      "Screen Philips/NVidia"
         Device          "Card_NVidia"
         Monitor         "Philips"
         DefaultDepth    24
         SubSection "Display"
                 Depth           1
         EndSubSection
         SubSection "Display"
                 Depth           4
         EndSubSection
         SubSection "Display"
                 Depth           8
         EndSubSection
         SubSection "Display"
                 Depth           15
         EndSubSection
         SubSection "Display"
                 Depth           16
         EndSubSection
         SubSection "Display"
                 Depth           24
         EndSubSection
EndSection

When the default vesa mode of "1024x768" is started,
XFree86.0.log says that the resolution is set at 100dpi
when it should be 83dpi 25.4*(1024/312). This is an analog
monitor.

(--) NV(0): Virtual size is 1024x768 (pitch 1024)


(**) NV(0): Default mode "1024x768": 75.0 MHz, 56.5 kHz, 70.1 Hz


(II) NV(0): Modeline "1024x768" 75.00 1024 1048 1184 1328 768 771 777 806 -hsync -vsync

(**) NV(0): Default mode "1024x768": 65.0 MHz, 48.4 kHz, 60.0 Hz


(II) NV(0): Modeline "1024x768" 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync

(**) NV(0): Default mode "1024x768": 44.9 MHz, 35.5 kHz, 87.1 Hz (I)


(II) NV(0): Modeline "1024x768" 44.90 1024 1032 1208 1264 768 768 776 817 interlace +hsync +vsync
(++) NV(0): DPI set to (100, 100)

On another pc, i use the 800x600 mode with a digital monitor,
but the DisplaySize is also ignored there and 100dpi used,
making all the windows and icons too big in X.

xdpyinfo also shows 100dpi and the wrong screen size in both cases.

screen #0:
  dimensions:    1024x768 pixels (260x195 millimeters)
  resolution:    100x100 dots per inch
  depths (7):    24, 1, 4, 8, 15, 16, 32
  root window id:    0x36
  depth of root window:    24 planes
  number of colormaps:    minimum 1, maximum 1
  default colormap:    0x20
  default number of colormap cells:    256
  preallocated pixels:    black 0, white 16777215
  options:    backing-store NO, save-unders NO
  largest cursor:    32x32
  current input event mask:

Why does my setting get ignored? It makes all the windows and icons in X
too big.


[EMAIL PROTECTED]: XFree86 -version
  XFree86 Version 4.2.1 (Debian 4.2.1-3 20021016191246 [EMAIL PROTECTED]) /
    X Window System
  (protocol Version 11, revision 0, vendor release 6600)
  Release Date: 3 September 2002
  Build Operating System: Linux 2.4.18 i686 [ELF]
  Module Loader present

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