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07/12/2011

Rotate Gumstix Overo Touch screen

Go to u-boot environment settings,

Overo # setenv mmcargs setenv bootargs console=${console} mpurate=${mpurate} vram=${vram} omapfb.mode=dvi:${dvimode} omapfb.debug=y omapdss.def_disp=${defaultdisplay}  omabfp.rotate=1 root=${mmcroot} rootfstype=${mmcrootfstype}

Overo # saveenv
Overo # reset

ps: 1 --- 90°     2 --- 180°     3 --- 270°

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Several month later when I tried to rotate my another gumstix fire + LG4.3" screen, it doesn't work!

finally, I found at this time, the default dvimode was 1024x768. I have to change it back to 4.3" screen resolution, which is 480x272.


#dvimode=480x272MR-16@60