cik_fence_gfx_ring_emit(9)

📦 version 7.3.1, in nixpkgs unstable

💅 cik_fence_gfx_ring_emit(9) — or, "how to drop a fence on the gfx ring", bestie edition 🎀

okay so real talk, this one lives in the Kernel API Manual (section 9, kernel-flavoured, iykyk) and it's genuinely one little function with a big job. let's get into it ✨

🌸 NAME 🌸

cik_fence_gfx_ring_emit — emit a fence on the gfx ring. that's it, that's the whole vibe. it puts a fence out into the world 💅

✨ SYNOPSIS ✨

void cik_fence_gfx_ring_emit (struct radeon_device *rdev , struct
radeon_fence *fence );

returns void, takes two pointers, zero drama. she's lowkey elegant 🦋

🫶 ARGUMENTS 🫶

  • rdev — a radeon_device pointer. the whole device, the main character 👑
  • fence — a radeon_fence object. the fence in question, the moment itself 🎀

🔥 DESCRIPTION 🔥

so what does she actually do? she emits a fence sequence number on the gfx ring, and then flushes the GPU caches. both. no cap, that's the whole job description and she ate 💀✨

like — fence goes out, caches get flushed, everyone moves on. iconic behaviour, honestly 🌈

⭐ SEE ALSO ⭐

the source of truth, right here:

  • Kernel file ./drivers/gpu/drm/radeon/cik.c

and the whole extended friend group, because this function does NOT exist in a vacuum bestie 😭:

ok and one little footnote before you go — this page is served up from ./drivers/gpu/drm/radeon, dated October 2026, and the man page itself signs off as cik_fence_gfx_ring_emit(9). that's the whole footer bestie, mwah 💖🧚

go forth and emit your fences, you're doing amazing 🫶🌸

📦 where this page comes from