Looks like I can use a DVI "cape" overlay, cape-bone-dvi, which provides 
more resolutions choices.  I need to make my own overlay now, as our setup 
is slightly different, we use i2c1 and don't have LEDs.

On Tuesday, March 4, 2014 11:59:37 AM UTC-5, porkupan wrote:
>
> Hi,
>
> I am running the RobertCNelson's Ubuntu image with 3.8.13-bone40.1 kernel. 
>  The device is a BBB "clone" with LCD to VGA hookup via ADV7125 video 
> encoder.   Should be somewhat roughly equivalent to an LCD cape.  The 
> customer requirement was to support DVI-I, so analog output was needed to 
> satisfy.
>
> It seems that by default there is no signal on the LCD pins, only the 
> HDMI.  I tried disabling the HDMI drivers, and enabling one of the LCD7 
> overlays (they don't seem to be able to co-exist, one must be disabled for 
> the other to be enabled):
>  
>
> kms_force_mode=video=LVDS-1:1024x768M@60
> optargs=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONE-EMMC-2G,BB-BONELT-HDMIN 
> capemgr.enable_partno=BB-UART1,BB-I2C1,BB-BONE-LCD7-01:00A2:8
>
>
> This seems to somewhat work (the VGA monitor gets signal), except there is 
> support for *800x480* resolution only:
>
> # xrandr -d :0
> Screen 0: minimum 320 x 200, current 800 x 480, maximum 2048 x 2048
> LVDS-0 connected 800x480+0+0 (normal left inverted right x axis y axis) 
> 0mm x 0mm
>    800x480        61.5*+
>
>
> Is there a default setting I can change to allow for a wider range of 
> resolutions?  Do I have to load an LCD cape overlay, or can I simply enable 
> the LCD output by not loading the HDMI drivers?  Can I affect/force another 
> resolution?
>
> Thanks!
>

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