Armbianmonitor:
http://ix.io/2IRo
After updating to 5.9.14 from 5.8.16, framebuffer is broken. No output after booting, hdmi monitor goes to sleep.
[ 1.455763] ------------[ cut here ]------------
[ 1.455791] WARNING: CPU: 0 PID: 1 at arch/arm/mm/ioremap.c:287 __arm_ioremap_pfn_caller+0x13f/0x14c
[ 1.455796] Modules linked in:
[ 1.455810] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.9.14-sunxi #20.11.3
[ 1.455814] Hardware name: Allwinn