I have a problem to run parallel RGB interface in 24-bit color mode on Colibri iMX6 module.
This is my “vidargs” uboot variable: ‘video=mxcfb0:dev=lcd,800x480M@60,if=RGB24,bpp=32 video=mxcfb1:off fbmem=8M’.
When I check with digital microscope:
- correct RGB data signals (bits are transmitted) are from B0 to R1;
- incorrect signals (no bits transmitted, signal always on high level) are R2…R7.
Is there anything more to change in configuration of uboot / linux, to make it work?
PS. I use custom carrier board with all 24 RGB data signals (primary LCD RGB interface) wired to FPC connector.