https://bugs.freedesktop.org/show_bug.cgi?id=94470
--- Comment #1 from Andy Furniss adf.lists@gmail.com --- (In reply to Rafael Castillo from comment #0)
Mesa/LLVM: today git 3dc2630e457155a4e8c8613911fe178bc4adf743 MPV: Today git d8b27ee4de4e26d594855960a4421b99db9e76ea
Not much help for you, but on those commits I can't reproduce on tonga.
Tonga uses a different kernel driver (amdgpu) though, and my kernel/libdrm are also git versions.