cik_sdma_set_wptr(9)

📦 version 7.3.1, in nixpkgs unstable

💖 cik_sdma_set_wptr(9) 💖

okay so bestie, welcome to the Kernel API Manual entry for cik_sdma_set_wptr — yes that's the whole function name, yes it's a mouthful, no we're not shortening it, iykyk 💅

✨ NAME ✨

cik_sdma_set_wptr — commit the write pointer 🎀

🌸 SYNOPSIS 🌸

void cik_sdma_set_wptr (struct radeon_device *rdev , struct radeon_ring
*ring );

like, it returns void, it takes two pointers, it's giving "small function, big job" energy fr fr ✨

🦋 ARGUMENTS 🦋

  • rdev — a radeon_device pointer 👑 your whole radeon device, the main character
  • ring — a radeon_ring pointer 🎀 the specific ring we're doing this to

💜 DESCRIPTION 💜

so what it actually does: it writes the wptr (the write pointer, obvi) back to the hardware 🔥 and ngl the parenthetical is doing a lot of work here — this is a CIK+ thing, so that's the era of hardware we're talking about 🫶

that's it. that's the function. short, sweet, slays, periodt 💅

🌈 SEE ALSO 🌈

the kernel file lives at ./drivers/gpu/drm/radeon/cik_sdma.c and honestly the whole cik_sdma family is right here, so let's go down the list bestie 😭

like, that's the whole squad 🧚💜 go read them too, they're all lowkey doing their own thing and we stan

and that's the page!! this icon was brought to you by ./drivers/gpu/drm/radeon, dated October 2026 — mwah, hope this helped bestie, go commit that write pointer 💖✨🎀🦋

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