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Olimex Lime 2 : screen rotation without proprietary drivers


sokolgeo

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Hello. I've got physically rotated HDMI monitor and try using Olimex Lime 2 with simplefb graphics.

 

I could rotate console in kernels compiled with

 

CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y

 

by using

 

echo 3 > /sys/class/graphics/fbcon/rotate

 

But what about graphical sessions? Like I install some desktop environment and in its screen properties rotation is grayed out!

 

Any instructions please how to make HDMI screen rotation working with latest Igor's Olimex Lime 2 images? Preferrably for 4.x kernel since I believe it is more free software without proprietary blobs and plain software simplefb graphics handling. If I only could rotate it! Any help?

 

http://www.igorpecovnik.com/2014/11/18/olimex-lime-debian-sd-image/

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I have one experience with Wheezy under kernel 3.4.x running 7" LVDS display on Banana Pi in portrait mode. Booted with extra kernel parameter, I think it was just 

fbcon=rotate:1

The console booted in portrait and also LXDE was started properly, only the touch screen controller was still in normal mode ... I haven't even try to fix that since it was only a test boot. 

 

X is not my home. I think you need to do some extra configuration to bring up rotation on the fly.

 

Try first with 3.4.x since on 4.x might not be working at all.

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Hello! I'm using Wheezy under kernel 3.4.x on Lime2 with 7" LCD and i added fbcon=rotate:1 in boot.cmd and the console booted in portrait but LXDE is still in landscape. I also added FBDEV_ROTATE_CCW=90  but with no results. Any suggestions please how to rotate the screen in LXDE?

Thank you!

 

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