radeon_fence_need_sync(9)

📦 version 7.3.1, in nixpkgs unstable

okay so bestie, welcome to radeon_fence_need_sync(9) from the Kernel API Manual — this is the little function that answers “do we need a semaphore?” and it is literally about checking fences against rings. no cap. 🎀

✨ NAME ✨

radeon_fence_need_sync — do we need a semaphore? 💅

📜 SYNOPSIS 📜

bool radeon_fence_need_sync (struct radeon_fence *fence , int dst_ring
);

🧚 ARGUMENTS 🧚

  • fence — the radeon fence object. that’s the vibe. 🦋
  • dst_ring — which ring to check against. yes bestie, the ring. 💍

💖 DESCRIPTION 💖

so this function does a vibe check: it checks if the fence needs to be synced against another ring — and yes, this applies to all asics. if the answer is yes, we need to emit a semaphore. it returns true if we need to sync with another ring, and false if not. periodt. ✨

👀 SEE ALSO 👀

Kernel file: ./drivers/gpu/drm/radeon/radeon_fence.c — go read it, bestie. 🫶

k that’s the whole page, bestie 💖 source/version: ./drivers/gpu/drm/radeon; date: October 2026; page: radeon_fence_need_sync(9). mwah 🎀✨

📦 where this page comes from