enabling CONFIG_FB_SIMPLE for arm64 kernels for Raspberry Pi3 support

[Jonathan Dowland <jmtd@debian.org>]

Hi, Michael Stapelberg maintains a status page for the state of pure Debian
on the Raspberry Pi 3 at https://wiki.debian.org/RaspberryPi3 as well as some
unofficial test images. Right now the video output is not enabled.

I've had private mail report from a user that enabling CONFIG_FB_SIMPLE in the
kernel configuration is all that is needed to fix the video output. Michael is
going to test this (I might also, but I am slower and have not yet built or
cross-built an arm64 kernel).

Would it be possible to get CONFIG_FB_SIMPLE enabled for arm64 kernels? Are
there any downsides?


Thanks,

-- 
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⣾⠁⢠⠒⠀⣿⡁ Jonathan Dowland
⢿⡄⠘⠷⠚⠋⠀ https://jmtd.net
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