sdma_v7_0_r...it_hdp_flush(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… sdma_v7_0_ring_emit_hdp_flush(9) πŸ’…

okay so bestie, welcome to the Kernel API Manual β€” this one's a little function page and honestly it's giving "quiet luxury" ✨


🌸 NAME 🌸

sdma_v7_0_ring_emit_hdp_flush β€” literally just: emit an hdp flush on the DMA ring 🫢 that's the whole vibe.


✨ SYNOPSIS ✨

void sdma_v7_0_ring_emit_hdp_flush (struct amdgpu_ring *ring );

no cap, that's the entire signature. void in, void out, one lil pointer in the middle πŸ’…


πŸŽ€ ARGUMENTS πŸŽ€

  • ring β€” an amdgpu ring pointer πŸŒ€ like, the ring you're gonna flush on. that's it. that's the argument.

πŸ¦‹ DESCRIPTION πŸ¦‹

So what does it do? It emits an hdp flush packet on the requested DMA ring πŸ’«

That's the tea β˜• β€” the packet goes out, on the ring, the hdp gets flushed, iconic behavior, periodt πŸ‘‘


πŸ’œ SEE ALSO πŸ’œ

First up, the kernel file where all this lives:

  • ./drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c

and then the whole friend group 😭 (yes there are a LOT of them, we're listing every single one, grab a snack πŸ“):

go read them all, iykyk πŸ“šβœ¨


ngl bestie this is a tiny page but every flag, arg and reference is here β€” don't skip the SEE ALSO list, it's a whole squad 😀

kisses, that's the whole page πŸ’– this one came from the ./drivers/gpu/drm/amd/amdgpu source vibe, dated October 2026 β€” slay, bye! πŸ§šβ€β™€οΈπŸŒˆπŸ’…

πŸ“¦ where this page comes from