F&S Support Forum

Did you try this?

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from https://community.nxp.com/t5/i…put-messed-up/m-p/1778606

Maybe also with fb0?

I don' see the IPU warnings as an acute issue. These may occur on high system load and maybe loading both displays causes a lot of load.
If…

I adjusted my device tree as you porposed, but I am afraid, it did not work.

Could you try to change

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to
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?

I don't see any entry for RGB888 in
https://github.com/FSEmbedded/…/mxc/mxc_ipuv3_fb.c#L3138

Your F&S Support Team

In my console output shared before, I noticed:

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After some investigation, I come to the conclusion, that clone mode is not stable on this hardware with fbdev.

Would you also relate to this?

For LVDS, I use

(Code, 18 lines)

For HDMI, it is

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See attached file for full DTS settings. We use a custom display.

What PIX_FMT and DATA_WIDTH is your Diplay using?
https://github.com/FSEmbedded/…ts/F%2BS/efusa9dl.dts#L77

Is it RGB or BGR? The color seems to change from Yellow to turquoise.
This suggests that the red and blue channels are swapped.

Your F&S Support Team
…

Hello,
(Quote)

Yes. Before starting any weston instance, I unblanked fb2. The application on LVDS remains blurry rendered with color shifts.

I have attached the console output, when starting Weston in two instances in clone-mode and starting my GUI app.

…

Hello,

we did not notice any color change, when enabling the clone-mode on any display.
However, I thing it is important to unblank the HDMI display before starting weston with the clone mode.
Is this done correctly?

Your F&S Support Team

Hi,

thanks for your answer. It works.

However, I experience false colors of the application rendered on the LVDS screen, as soon as I unblank fb2/ clone to the second weston instance on HDMI.

The colors on HDMI are correct, whatsoever. Feel free to check…

Hello,

please test the following:

Set fb0 to lvds and fb1 to hdmi in your device tree
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Boot your board and run the following commands:
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This should open a weston instance, that mirrors the framebuffer from /dev/fb0 to /dev/fb1.
…