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Using a iMx7 Sabre board and RGB888 works in UBoot but not linux.

Question asked by Steve Tate on May 15, 2018
Latest reply on May 16, 2018 by Joan Xie

Using a iMx7 Sabre board I have fitted an RGB888 display and adapted the connector to suit. UBoot works and displays the freecsale logo and a small amount of text onto the LCD display,

 

But Yocto / Linux does not. The display just goes black and nothing is displayed. If I plug and HDMI display in then Linux displays the GUI on the Monitor correctly.  The LCD remains blank.

 

What have I missed, I have readd many docs but I am struggling to understand what the problem is.

 

I  would appreciate help,

 

Thanks  Steve T

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