HDMI distortion while read/write to NVMe on BPi-CM4 + Waveshare-io-base-b

Banana Pi Amlogic design
1

No HDMI distortion when I replace BPi-CM4 with Core3566. Can this be fixed in drivers or its issue with BPi-CM4 hardware?

2

I noticed distortion occurs only while write; could this be power issue?