sdma_v7_0_start(9)

📦 version 7.3.1, in nixpkgs unstable

✨ sdma_v7_0_start(9) — Kernel API Manual ✨

okay so this is sdma_v7_0_start(9) from the Kernel API Manual, and bestie, it's literally the function that wakes up the async dma engines 💅 buckle up 🎀

🌸 NAME 🌸

sdma_v7_0_start — setup and start the async dma engines 🔥

🦋 SYNOPSIS 🦋

int sdma_v7_0_start (struct amdgpu_device *adev );

like, that's the whole signature, no cap 💖

💜 ARGUMENTS 💜

  • adev — an amdgpu_device pointer 🫶 that's it, that's the whole vibe. one (1) argument. main character energy.

⭐ DESCRIPTION ⭐

So what does it do? it sets up the DMA engines and enables them. that's the tea ☕ like, it does the setup, it turns them on, and then it dips ✨

Returns 0 for success, and an error for failure — yes queen, standard return-code behaviour, she's consistent 😌

ngl if you get a non-zero back, something went sideways in setup or enable, so go read the error and don't just ignore it 🙈

🧚 SEE ALSO 🧚

Kernel file ./drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c 👑

and the whole friend group, fr fr — every single one of these:

and that's the whole page, bestie 💖✨🎀 this one lives in ./drivers/gpu/drm/amd/amdgpu, dated October 2026 — go off, you absolute icon 👑🦋🌸

📦 where this page comes from