sdma_v4_4_2_ring_set_wptr(9)

📦 version 7.3.1, in nixpkgs unstable

👑 sdma_v4_4_2_ring_set_wptr(9) — like, the Kernel API Manual page, bestie ✨

okay so real talk, this is a page straight out of the Kernel API Manual and honestly? it's a little icon and it does exactly one thing. let's get into it 💅

🌸 NAME 🌸

sdma_v4_4_2_ring_set_wptr — lowkey just commit the write pointer, that's the whole vibe 🎀

✨ SYNOPSIS ✨

void sdma_v4_4_2_ring_set_wptr (struct amdgpu_ring *ring );

it returns void, so like… nothing comes back. no drama, no return value, she just does the thing and leaves 🦋

💖 ARGUMENTS 💖

  • ring — an amdgpu ring pointer, aka the little handle that says "yeah, this ring right here" 🫶

🔥 DESCRIPTION 🔥

Write the wptr back to the hardware. that's it. that's the whole function. she takes the write pointer and pushes it back out to the actual hardware, no cap ✨

🌈 SEE ALSO 🌈

the kernel file lives at ./drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c, and here's the whole friend group, fr fr — every single one, i'm not skipping anybody:

and that's the page!! 🧚 source lives in ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and it's part of the Kernel API Manual — mwah, bye bestie 💜💅

📦 where this page comes from