vmw_ttm_unmap_from_dma(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ¦‹ vmw_ttm_unmap_from_dma(9) β€” a Kernel API Manual moment πŸ’…

okay so bestie, welcome to the Kernel API Manual page for vmw_ttm_unmap_from_dma(9) β€” yes it's a mouthful, no you're not saying it wrong, we're all just out here vibe-checking TTM pages πŸ’–


✨ NAME ✨

vmw_ttm_unmap_from_dma β€” literally just unmap device addresses that were previsouly mapped for TTM pages πŸŽ€

ngl the original says "previsouly" and I am not about to gaslight the manpage, so that spelling stays. she's iconic, she's committed, periodt πŸ’…

🌸 SYNOPSIS 🌸

void vmw_ttm_unmap_from_dma (struct vmw_ttm_tt *vmw_tt );

that's it. that's the whole signature. short king energy πŸ‘‘


πŸŽ€ ARGUMENTS πŸŽ€

  • vmw_tt β€” Pointer to a struct vmw_ttm_backend. that's the one you're handing over, bestie 🫢

πŸ’œ DESCRIPTION πŸ’œ

so what does she do? she's used to free dma mappings that were previously mapped by vmw_ttm_map_for_dma. that's the whole vibe check β€” you mapped it, now you're un-mapping it, and she's the one who handles the goodbye 😭✨

like, cleanup era. closing the loop. taking the mapped addresses and setting them free 🌈


πŸ”₯ SEE ALSO πŸ”₯

the kernel file she lives in:

./drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c

and her whole friend group, fr fr:


⭐ the sign-off ⭐

this whole thing comes to you from ./drivers/gpu/drm/vmwgfx, dated October 2026 β€” so yeah, she's from the future, main character energy only πŸ‘‘πŸ’«

go unmap those dma mappings bestie, you got this πŸ§šβ€β™€οΈπŸ’–

πŸ“¦ where this page comes from