sdma_v7_0_ring_test_ib(9)

📦 version 7.3.1, in nixpkgs unstable

💅 sdma_v7_0_ring_test_ib(9)

okay so bestie, welcome to the Kernel API Manual ✨ this one's a function page, it lives in the kernel-doc girlie universe, and it's literally about poking the DMA engine to see if it's awake. no cap. 🫶

✨ NAME ✨

sdma_v7_0_ring_test_ib — test an IB on the DMA engine 🧚

🎀 SYNOPSIS 🎀

int sdma_v7_0_ring_test_ib (struct amdgpu_ring *ring , long timeout );

like, that's the whole signature. she's compact. she's iconic. 💅

🌸 ARGUMENTS 🌸

  • ring — the amdgpu_ring structure that's holding all the ring info. this is the main character of the whole operation, the struct that knows things 👑
  • timeout — the timeout value, measured in jiffies, or MAX_SCHEDULE_TIMEOUT if you're feeling patient and want to wait basically forever 🙈

🦋 DESCRIPTION 🦋

so what she does: she tests a simple IB in the DMA ring. that's it, that's the vibe. 🩷

  • returns 0 on success (slay ✨)
  • returns an error on failure (not slay 💀)

fr fr that's the whole contract — if you get a 0 back you're golden, anything else means something went sideways and you should probably look into it.

🌈 SEE ALSO 🌈

okay this list is long long, but every single one of these deserves their flowers 💐 the kernel file itself lives at ./drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c, and then we got:

iykyk 💜

mwah 💋 this little page comes to you from the source at ./drivers/gpu/drm/amd/amdgpu, dated October 2026 — go read the real thing if you want the deep lore, and stay hydrated bestie 🍓✨

📦 where this page comes from