sdma_v4_4_2_ring_get_wptr(9)

📦 version 7.3.1, in nixpkgs unstable

💫 sdma_v4_4_2_ring_get_wptr 💫

okay bestie, so we're in the Kernel API Manual today, and the star of the show is literally sdma_v4_4_2_ring_get_wptr — yes that's a mouthful, yes she's iconic, and yes we're gonna get through this together 🫶

✨ NAME ✨

sdma_v4_4_2_ring_get_wptr — get the current write pointer 💅

✨ SYNOPSIS ✨

uint64_t sdma_v4_4_2_ring_get_wptr (struct amdgpu_ring *ring );

✨ ARGUMENTS ✨

  • ring — an amdgpu ring pointer. that's it, that's the whole argument, she's lowkey low-maintenance 🎀

✨ DESCRIPTION ✨

so what does she actually do? she gets the current wptr from the hardware. that's the write pointer, for the uninitiated. hardware says "here's where I'm at," and this function goes and asks for it. no cap, that's the whole vibe 🌸

✨ SEE ALSO ✨

like, go read the source, it's giving main character energy:

  • Kernel file ./drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c — the mothership, the origin story 🦋

and her whole friend group, fr fr:

bestie reminder: the source lives at ./drivers/gpu/drm/amd/amdgpu and this page is dated October 2026. that's the whole lore 🧚

and that's the page! sdma_v4_4_2_ring_get_wptr(9) in the Kernel API Manual, copyright and all 💜 she ate, no crumbs. slay, periodt, go read your pointers 🌈⭐

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