Lighting error in deferred technical preview (it's already months old)

Device: Xiaomi Poco X6 pro

Texture packs:
-poggy's bright dreams
(in both modes)
-prizma shader

In devices with Mediatek provider there is something that causes shadows in all dimensions and heights to begin to mark shadow lines all over the terrain. Curiously, this does not occur in blocks of water or lava, but it does make it quite tizzy.