GMA 950 - intel - 1600x1200

Eric Anholt eric at anholt.net
Tue Apr 15 10:40:57 PDT 2008 

On Tue, 2008-04-15 at 09:05 -0500, Paul Novak wrote:
> I'm having trouble with graphics on a new computer with a new install of
> Slackware 12.0.  The motherboard has onboard video with the Intel GMA 950
> chipset.  My monitor is on older Hitachi CRT Superscan 753 with 1600x1200
> maximum resolution.
> 
> If I use the vesa driver (with no dri or glx) , the monitor comes up
> fine at 1600x1200.
> 
> Here's snippets from Xorg.0.log file when I use the Vesa driver:

You cut out the important parts, please post full logs for the current
driver.

>     X Window System Version 1.3.0
>     Release Date: 19 April 2007
>     X Protocol Version 11, Revision 0, Release 1.3
> 
>     <snip>
> 
>     (II) VESA(0): Total Memory: 123 64KB banks (7872kB)
>     (II) VESA(0): Monitor0: Using hsync range of 31.00-107.00 kHz
>     (II) VESA(0): Monitor0: Using vrefresh range of 50.00-160.00 Hz
>     (II) VESA(0): Not using mode "1400x1050" (no mode of this name)
>     (II) VESA(0): Not using mode "1152x864" (no mode of this name)
>     (--) VESA(0): Virtual size is 1600x1200 (pitch 1600)
>     (**) VESA(0): *Built-in mode "1600x1200"
>     (**) VESA(0): *Built-in mode "1280x1024"
>     (**) VESA(0): *Built-in mode "1024x768"
>     (**) VESA(0): *Built-in mode "800x600"
>     (**) VESA(0): *Built-in mode "640x480"
>     (**) VESA(0): Display dimensions: (360, 270) mm
>     (**) VESA(0): DPI set to (112, 112)
>     (II) VESA(0): Attempting to use 85Hz refresh for mode "1600x1200" (15a)
>     (II) VESA(0): Attempting to use 85Hz refresh for mode "1280x1024" (11b)
>     (II) VESA(0): Attempting to use 85Hz refresh for mode "1024x768" (118)
>     (II) VESA(0): Attempting to use 85Hz refresh for mode "800x600" (115)
>     (II) VESA(0): Attempting to use 85Hz refresh for mode "640x480" (112)
>     (**) VESA(0): Using "Shadow Framebuffer"
>     <snip>
> 
> If I use the intel driver (with dri and glx), the monitor comes up in 1600x1024.
> 
> Here's snippets from Xorg.0.log file when I use the intel driver:
> 
>     X Window System Version 1.3.0
>     Release Date: 19 April 2007
>     X Protocol Version 11, Revision 0, Release 1.3
>  <snip>
> 
>         (II) intel(0): Supported VESA Video Modes:
>         (II) intel(0): 720x400 at 70Hz
>         (II) intel(0): 720x400 at 88Hz
>         (II) intel(0): 640x480 at 60Hz
>         (II) intel(0): 640x480 at 67Hz
>         (II) intel(0): 640x480 at 72Hz
>         (II) intel(0): 640x480 at 75Hz
>         (II) intel(0): 800x600 at 56Hz
>         (II) intel(0): 800x600 at 60Hz
>         (II) intel(0): 800x600 at 72Hz
>         (II) intel(0): 800x600 at 75Hz
>         (II) intel(0): 832x624 at 75Hz
>         (II) intel(0): 1024x768 at 60Hz
>         (II) intel(0): 1024x768 at 70Hz
>         (II) intel(0): 1024x768 at 75Hz
>         (II) intel(0): 1280x1024 at 75Hz
>         (II) intel(0): 1152x870 at 75Hz
>         (II) intel(0): Manufacturer's mask: 0
>         (II) intel(0): Supported Future Video Modes:
>         (II) intel(0): #0: hsize: 1600  vsize 1200  refresh: 75  vid: 20393
>         (II) intel(0): #1: hsize: 1600  vsize 1200  refresh: 70  vid: 19113
>         (II) intel(0): #2: hsize: 1600  vsize 1200  refresh: 60  vid: 16553
>         (II) intel(0): #3: hsize: 1280  vsize 1024  refresh: 85  vid: 39297
>         (II) intel(0): #4: hsize: 1024  vsize 768  refresh: 85  vid: 22881
>         (II) intel(0): #5: hsize: 800  vsize 600  refresh: 85  vid: 22853
>         (II) intel(0): #6: hsize: 1600  vsize 1280  refresh: 75  vid: 36777
>         (II) intel(0): #7: hsize: 1600  vsize 1200  refresh: 85  vid: 22953
>     <snip>
>         (II) intel(0): Not using mode "1600x1200" (hsync out of range)
>     <snip>
>         (II) intel(0): Output VGA using initial mode 1600x1024
>     <snip>
> 
> Here's my complete xorg.conf file:
> 
> +++++++++++start xorg.conf++++++++++++++++
> Section "ServerLayout"
>         Identifier     "X.org Configured"
>         Screen      0  "Screen0" 0 0
>         InputDevice    "Mouse0" "CorePointer"
>         InputDevice    "Keyboard0" "CoreKeyboard"
> EndSection
> 
> Section "Files"
>         RgbPath      "/usr/share/X11/rgb"
>         ModulePath   "/usr/lib/xorg/modules"
>         FontPath     "/usr/share/fonts/TTF"
>         FontPath     "/usr/share/fonts/OTF"
>         FontPath     "/usr/share/fonts/Type1"
>         FontPath     "/usr/share/fonts/misc"
>         FontPath     "/usr/share/fonts/75dpi/:unscaled"
> EndSection
> 
> Section "Module"
>         Load  "GLcore"
>         Load  "extmod"
>         #Load  "dri"    ## used for intel driver
>         #Load  "glx"    ## used for intel driver
>         Load  "dbe"
>         Load  "xtrap"
>         Load  "record"
>         Load  "freetype"
>         Load  "type1"
> EndSection
> 
> Section "InputDevice"
>         Identifier  "Keyboard0"
>         Driver      "kbd"
>         Option       "XkbModel"  "pc101"
>         Option       "XkbLayout"  "us"
> EndSection
> 
> Section "InputDevice"
>         Identifier  "Mouse0"
>         Driver      "mouse"
>         Option      "Protocol" "auto"
>         Option      "Device" "/dev/input/mice"
>         Option      "ZAxisMapping" "4 5 6 7"
> EndSection
> 
> Section "Monitor"
>         #DisplaySize      360   270     # mm
>         Identifier   "Monitor0"
>         VendorName   "HTC"
>         ModelName    "CM753"
>  ### Comment all HorizSync and VertRefresh values to use DDC:
>         HorizSync    31.0 - 107.0
>         VertRefresh  50.0 - 160.0
>         Option      "DPMS"
> EndSection
> Section "Device"
>         Identifier  "Card0"
>         Driver      "vesa"
> ##      Driver      "intel"
>         VendorName  "Intel Corporation"
>         BoardName   "82945G/GZ Integrated Graphics Controller"
>         BusID       "PCI:0:2:0"
> EndSection
> 
> Section "Screen"
>         Identifier "Screen0"
>         Device     "Card0"
>         Monitor    "Monitor0"
>         DefaultDepth 24
>         SubSection "Display"
>                 Viewport   0 0
>                 Depth     24
>         EndSubSection
> EndSection
> 
> +++++++++++end of xorg.conf+++++++++++++
> 
> I tried LiveCD versions PClinuxOS and Knoppix, and both came up at
> 1600X1200 using
> the i810 driver; I tried the i810 driver as well with the same
> (1600x1024) results.
> I also download Slackware-current and have the same problem.
> 
> I've tried all kinds of things to set the display resolution
> (including commenting
> out the  HorizSync and VertRefresh lines) with no success.  I'm not sure
> it's even possible (because 1600x1200 is listed under Future Video Modes)
> Googling has only confused me even more.  I can't figure out why
> I'm getting 1600x1024 resolution.  What if anything can I do to get
> my 1600x1200 resolution back so I can try compiz-fusion?
> 
> Walt
> k9genius at gmail.com
> _______________________________________________
> xorg mailing list
> xorg at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/xorg
-- 
Eric Anholt                             anholt at FreeBSD.org
eric at anholt.net                         eric.anholt at intel.com

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