uvd_v3_1_ring_emit_fence(9)
π uvd_v3_1_ring_emit_fence(9) π
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 π
β¨ NAME β¨
uvd_v3_1_ring_emit_fence β emit a fence & trap command π§π₯
like literally that's it, that's her whole job description, and honestly? iconic.
π¦ SYNOPSIS π¦
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 β¨
πΈ ARGUMENTS πΈ
okay so here's who's showing up to the group chat:
ringβ anamdgpu_ringpointer π like this is the ring the command gets written into, main character energy fraddrβ the address π literally just an address, that's the whole vibeseqβ the sequence number π’ au64bestie, she's numbered and she knows itflagsβ fence related flags π© anunsignedfull of fence-related flag-ness, yk the drill
π DESCRIPTION π
Write a fence and a trap command to the ring. π«Ά
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 π
π 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.
π₯ SEE ALSO π₯
- Kernel file
./drivers/gpu/drm/amd/amdgpu/uvd_v3_1.cπ (the source, the mothership, the origin story) uvd_v3_1_ring_get_rptr(9)uvd_v3_1_ring_get_wptr(9)uvd_v3_1_ring_set_wptr(9)uvd_v3_1_ring_emit_ib(9)uvd_v3_1_ring_test_ring(9)uvd_v3_1_mc_resume(9)uvd_v3_1_fw_validate(9)uvd_v3_1_start(9)uvd_v3_1_stop(9)uvd_v3_1_hw_init(9)uvd_v3_1_hw_fini(9)
the whole uvd_v3_1_* friend group is here and they're all linked, go read them, iykyk π
β¨ cute sign-off time β¨
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 ππ¦ππΈπ«Άπβππ§π
uvd_v3_1_ring_emit_fence(9) β mwah, no notes π
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms