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Nitrogen6x defaulting to 1024x768

Question asked by Amin Rahimi on Feb 3, 2015

I have a Nitrogen6x board (silicon rev. 1.0) with a WXGA LVDS panel with no I2C capability running a fresh build of core-image-x11 (Dizzy).  I received a custom 6x_bootscript (attached) from Eric Nelson a few years back to get the panel working under Dora. I'm attempting to use the same bootscript under Dizzy.


The Yocto splash screen comes up correctly at 1280x800 resolution, but the screen then defaults to 1024x768 once the terminal pops up. I'm not sure where the issue is. I've tried setting up xorg.conf for 1280x800 with no success.  I can, however, manually set it to 1280x800 using xrandr.


xrandr shows the preferred resolution correctly:

Screen 0: minimum 240 x 240, current 1024 x 768, maximum 8192 x 8192

DISP3 BG - DI1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm

   U:1280x800p-59  59.91 +

   D:1920x1080p-60  56.33

   D:1280x800p-60  59.99

   D:1024x768p-60  60.00*


"cat /proc/cmdline" shows:

enable_wait_mode=off video=mxcfb0:dev=ldb,1280x800MR@60,if=RGB666 video=mxcfb1:off video=mxcfb2:off video=mxcfb3:off console=ttymxc1,115200 vmalloc=400M consoleblank=0 rootwait root=/dev/mmcblk0p2 mxc_hdmi.only_cea=1


Any insight as to why this may be going on would be greatly appreciated.


Message was edited by: Amin Rahimi Added Xorg.0.log for reference.

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