i.MX6 IPUv3 LCD display rotation

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i.MX6 IPUv3 LCD display rotation

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snehal_jadhav
Contributor III

Hi,
We are working on custom board with i.MX6Q SoC, using Linux kernel version 4.1.15 and using round LCD display(PV13900ALS20C). We want to rotate our LCD screen by 180 degrees. We have tried using /sys/devices/soc0/fb@0/graphics/fb0/rotate interface for rotating the display but it did not work though getting debug prints as below
mxc_sdc_fb fb@0: 400x400 h_sync,r,l: 20,40,40  v_sync,l,u: 2,16,16 pixclock=13019000 Hz
imx-ipuv3 2400000.ipu: try ipu internal clk
imx-ipuv3 2400000.ipu: disp=0, pixel_clk=13019000 13019000 parent=13019000 div=1
Please help us with a way to rotate LCD device by 180 degrees.

Thanks
Snehal

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joanxie
NXP TechSupport
NXP TechSupport

pls refer to the chapter 6.2 XRandR of enclosed file

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