xorg+i810+widescreen problems

[Tom Evans]

On Fri, 2007-10-26 at 06:40 -0500, Doug Poland wrote:
> Kim Højgaard-Hansen wrote:
> > Hi
> > 
> > I hope this is the right place to ask, tried on IRC without luck.
> > 
> > I have an IBMX41 with Intel graphics i915, and an external widescreen TFT. I
> > have been strugling to make it work with the current xorg in ports, and
> > FreeBSD-6.2. It have had working on FreeBSD-7.0, but decided to switch to
> > stable since I don't have the time for -current :)
> > 
> > so, following the handbook I have used i915resolution to patch in the right
> > modes:
> > 
> > /etc/rc.conf
> > -------------------
> > i915resolution_enable="YES"
> > i915resolution_width="1680"
> > i915resolution_height="1050"
> > ----------------
> > 
> > 915resolution starts with the pc, verified by output
> > 
> > and setting up the modeline in xorg.conf found in /var/log/Xorg.0.log
> > 
> > /etc/X11/xorg.conf
> > ------------------
> > 
> > Section "Monitor"
> >         Identifier   "Monitor0"
> >         VendorName   "HWP"
> >         ModelName    "hpw2207"
> > #(II) I810(0): Supported additional Video Mode:
> > #(II) I810(0): clock: 146.2 MHz   Image Size:  473 x 296 mm
> > #(II) I810(0): h_active: 1680  h_sync: 1784  h_sync_end 1960 h_blank_end
> > 2240 h_border: 0
> > #(II) I810(0): v_active: 1050  v_sync: 1053  v_sync_end 1059 v_blanking:
> > 1089 v_border: 0
> >         ModeLine        "1680x1050" 146.2 1680 1784 1960 2240 1050 1053 1059
> > 1089
> > #       HorizSync       24-82
> > #       VertRefresh     48-76
> >         Option          "DPMS"
> > EndSection
> > 
> > note: I also tried with the sync rates commented in, doesn't help
> > 
> > Section "Device"
> >         Identifier  "Card0"
> >         Driver      "i810"
> >         VendorName  "Intel Corporation"
> >         BoardName   "Mobile 915GM/GMS/910GML Express Graphics Controller"
> >         BusID       "PCI:0:2:0"
> > EndSection
> > 
> > Section "Screen"
> >         Identifier "Screen0"
> >         Device     "Card0"
> >         Monitor    "Monitor0"
> >         SubSection "Display"
> >                 Viewport   0 0
> >                 Depth     24
> >                 Modes   "1680x1050" "1280x1024" "1024x768"
> >         EndSubSection
> > EndSection
> > 
> > -----------------
> > 
> > I have also put the agp module i loader.conf, but I think it is already
> > compiled into the GENERIC kernel?
> > 
> > dmesg | grep 'agp'
> > -------------------
> > agp0: <Intel 82915GM (915GM GMCH) SVGA controller> port 0x1800-0x1807 mem
> > 0xa0080000-0xa00fffff,0xc0000000-0xcfffffff,0xa0000000-0xa003ffff irq 16 at
> > device 2.0 on pci0
> > agp0: detected 7932k stolen memory
> > agp0: aperture size is 256M
> > drmsub0: <Intel i915GM>: (child of agp_i810.c) on agp0
> > 
> > So, how can I debug this problem further?
> > 
> That's an excellent question.  I got my configuration working using the 
> "trial and error" method of debugging.  In my case (Intel 945GM), I was 
> successful using
> 
>           Driver      "vesa"
> 
> in my xorg.conf.
> 
> If your curious, 7.0 supports the Intel Integrated video chipsets 
> natively and the 915resolution port is unnecessary.  Also, my stock 
> xorg.conf generated by Xorg -configure gave me 1680x1050 resolution.
> 
> Hope that helps...
> 

You are probably using a more recent version of the driver, since it has
been renamed to "intel". Try installing at least version 2.0 of
x11-drivers/xf86-video-intel (latest in ports is version 2.1.1), which
has modesetting support and no longer requires 915resolution.

Tom
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