uvd_v3_1_ring_emit_fence(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’– uvd_v3_1_ring_emit_fence(9) πŸ’–

okay bestie so this is a page out of the Kernel API Manual, and the star of the show is uvd_v3_1_ring_emit_fence β€” yes the whole (9) suffix is giving "section 9, kernel internals, don't ask questions" energy, we love that for her πŸŽ€


✨ NAME ✨

uvd_v3_1_ring_emit_fence β€” emit a fence & trap command 🚧πŸ”₯

like literally that's it, that's her whole job description, and honestly? iconic.


πŸ¦‹ SYNOPSIS πŸ¦‹

void uvd_v3_1_ring_emit_fence (struct amdgpu_ring *ring , u64 addr , u64
seq , unsigned flags );

no cap, that's the signature, copy it exactly, do not come for me about the line break, that's just how the manpage breathes ✨


🌸 ARGUMENTS 🌸

okay so here's who's showing up to the group chat:

  • ring β€” an amdgpu_ring pointer πŸŒ€ like this is the ring the command gets written into, main character energy fr
  • addr β€” the address 🏠 literally just an address, that's the whole vibe
  • seq β€” the sequence number πŸ”’ a u64 bestie, she's numbered and she knows it
  • flags β€” fence related flags 🚩 an unsigned full of fence-related flag-ness, yk the drill

πŸ’… DESCRIPTION πŸ’…

Write a fence and a trap command to the ring. 🫢

like... that's the whole thing?? she writes a fence and a trap command to the ring and then she's done, periodt. short and sweet, no notes, we stan an efficient queen πŸ‘‘

πŸ’€ not me realizing this is genuinely the entire description. some functions write whole essays in their manpage, this one said "fence, trap, ring, bye" and honestly? respect.

πŸ”₯ SEE ALSO πŸ”₯

the whole uvd_v3_1_* friend group is here and they're all linked, go read them, iykyk 🌈


✨ cute sign-off time ✨

this lil masterpiece lives under ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and it's brought to you by the Kernel API Manual β€” go forth, emit your fence, trap your command, and slay πŸ’–πŸ¦‹πŸŽ€πŸŒΈπŸ«ΆπŸ‘‘β­πŸ“πŸ§šπŸ’œ

uvd_v3_1_ring_emit_fence(9) β€” mwah, no notes πŸ’…

πŸ“¦ where this page comes from