amdgpu_fence_emit_polling(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… amdgpu_fence_emit_polling(9)

okay bestie, welcome to the Kernel API Manual ✨ this one's a little kernel function from the DRM/AMDGPU world and honestly? she's short but she matters. Let's get into it 🫢


🌸 NAME 🌸

amdgpu_fence_emit_polling β€” emit a fence on the requeste ring

yes the original really does say "requeste" and honestly? iconic typo behavior. we're keeping the energy. πŸ’…

✨ SYNOPSIS ✨

int amdgpu_fence_emit_polling (struct amdgpu_ring *ring , uint32_t *s ,
       uint32_t timeout );

like, she takes a ring, a pointer to a sequence number, and a timeout. that's the whole vibe check πŸ”₯


πŸŽ€ ARGUMENTS πŸŽ€

  • ring β€” the ring the fence is associated with πŸ’« like, this is the ring our fence is gonna be besties with
  • s β€” resulting sequence number πŸ“ this is where the result gets written, so it's a pointer, okurrr
  • timeout β€” the timeout for waiting, measured in usecs ⏱️ yes, microseconds, not seconds. she's precise.

πŸ’– DESCRIPTION πŸ’–

So basically: this emits a fence command on the requested ring (all asics). πŸ¦‹ all of them. every single one. no cap.

Used for polling fence πŸ‘€ β€” that's literally what the manpage says, so that's what we're saying.

Return values, and this part is important bestie:

  • returns 0 on success πŸŽ‰ slay
  • returns -ENOMEM on failure πŸ’€ and that one's not a slay

🌈 SEE ALSO 🌈

okay so there is a whole friend group here and we are gonna list every single one of them because nobody gets left behind 🫢

like, that's a whole squad πŸ’œ go read them too, iykyk πŸ‘‘


and that's the whole page bestie!! 🌸 this lil beauty lives over in ./drivers/gpu/drm/amd/amdgpu, it's dated October 2026, and you just read the Kernel API Manual entry for amdgpu_fence_emit_polling(9) β€” mwah πŸ’‹ go emit some fences responsibly, ily, bye πŸ¦‹πŸ’–

πŸ“¦ where this page comes from