[Tencent Aurora 5x] [S928X] AV1 HW decoding

Hello! I tried some AV1 videos on this device and it is practically unusable. My other devices with S905X4 plays AV1 files perfectly fine. Is there any fix for this?

Details:
STB Brand: Tencent
STB Model: Aurora 5X
STB SoC: S928X
STB Memory: 4G/64G

Display type: LED TV, Xiaomi S65

https://wiki.coreelec.org/coreelec:ce_support