sdma_v2_4_enable(9)

📦 version 7.3.1, in nixpkgs unstable

💅 sdma_v2_4_enable(9) — a Kernel API Manual moment ✨

okay so bestie, we're in the Kernel API Manual today and the star of the show is sdma_v2_4_enable 💖 literally the little function that could. let's get into it 🎀

✨ NAME ✨

sdma_v2_4_enable — stop the async dma engines 🛑

(no fr that's what it says, i'm not making this up 💀)

🦋 SYNOPSIS 🦋

void sdma_v2_4_enable (struct amdgpu_device *adev , bool enable );

that's it. that's the whole signature. it's giving "small but mighty" energy ngl 💅

🌸 ARGUMENTS 🌸

  • adev — an amdgpu_device pointer 🫶 like, the whole GPU device situation, hand it over
  • enable — toggles enable/disable on the DMA MEs ⭐ honestly a classic

🧚 DESCRIPTION 🧚

halt or unhalt the async dma engines (VI) 🔥 that's the whole vibe. you're either putting them on pause or hitting play again, no in-between, no half measures, periodt 💜

no cap, that's the entire description — short and iconic 👑

👑 SEE ALSO 👑

the kernel file lives at ./drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c 🍓 and here's the whole friend group, all of them, every single one, i would never leave anyone out:

like look at that list. main character energy from every single one of them 🌈💀

lowkey reminder: this page is served up from ./drivers/gpu/drm/amd/amdgpu 🦋 dated October 2026, and it's sdma_v2_4_enable(9) all the way down 💖 slay, bye bestie! 🎀✨
📦 where this page comes from