jpeg_v4_0_3...g_emit_fence(9)

📦 version 7.3.1, in nixpkgs unstable

💅 jpeg_v4_0_3_dec_ring_emit_fence — bestie's guide to the fence emit 💅

okay so real talk, we are in the Kernel API Manual today and the function we're stanning is jpeg_v4_0_3_dec_ring_emit_fence (yes the header up top abbreviates it all cute as jpeg_v4_0_3...g_emit_fence(9), that's just the vibes, the full name is right here). sit down, grab a 🍓, and let's get into it.

✨ NAME ✨

jpeg_v4_0_3_dec_ring_emit_fence — literally just emits a fence and a trap command 🎀

🌸 SYNOPSIS 🌸

void jpeg_v4_0_3_dec_ring_emit_fence (struct amdgpu_ring *ring , u64
addr , u64 seq , unsigned int flags );

that's the whole signature bestie, void return, no notes 💅

🦋 ARGUMENTS 🦋

  • ring — an amdgpu_ring pointer, like the main character of the whole operation 👑
  • addr — the address, fr just the address 📍
  • seq — the sequence number, keep track bestie 🔢
  • flags — fence related flags, the little extras that say what kind of fence moment this is 🚩

💖 DESCRIPTION 💖

Write a fence and a trap command to the ring. that's it, that's the whole bit — it's giving "short and iconic" ✨ no cap, that is literally what it does.

🔥 SEE ALSO 🔥

the whole friend group, honestly 🫶

lowkey important note: every one of those (9) refs is a manual page in its own right — go say hi to them too, they're all in the same ./drivers/gpu/drm/amd/amdgpu household 🏠

and that's the page!! mwah 💋 it ships from ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and it's part of the Kernel API Manual — slay, ate, periodt. 🧚💜

📦 where this page comes from