There are 2 repositories under vayu topic.
Kernel Source For Poco X3 Pro (Vayu/Bhima)
4.14 Kernel source code (LawRun Kernel) for xiaomi sm8150 | Poco X3 Pro (vayu) | You can fork and enjoy.
Device Tree || Device - POCO X3 Pro || Credits - @ArrowOS-Devices
vayu_global-user 11 RKQ1.200826.002 V12.5.9.0.RJUMIXM release-keys
p404_vayu-userdebug 12 SKQ1.220714.001 1662181590 release-keys