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Does each display controllers must use specific reg number in endpoint?

SChen.11
Associate III

Hi, I use display function on my custom boards. The board A use HDMI, RGB LCD and MIPI. The board B use RGB LCD and MIPI.Now the board B has some issue on MIPI display function.

The board A config

ltdc endpoint reg = <0> for HDMI, work

ltdc endpoint reg = <1> for RGB LCD or MIPI, work

but not work when setting reg = <2> for MIPI.

The board B config

ltdc endpoint reg = <0> for RGB LCD, work

ltdc endpoint reg = <1> for MIPI, not work

when swap this reg number , the RGB LCD and MIPI are works.

Does the MIPI need specific reg number or not? How I correctly configure it when using these display function in difference situation?

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