sdma_v2_4_gfx_resume(9)

📦 version 7.3.1, in nixpkgs unstable

💖 sdma_v2_4_gfx_resume(9) — from the Kernel API Manual, bestie 💖

okay so real talk, this one is from the Kernel API Manual, and it's lowkey the glow-up moment for your async DMA engines. sit down, grab a strawberry 🍓, let's go.

✨ NAME ✨

sdma_v2_4_gfx_resume — setup and start the async dma engines. like, wake them up, get them dressed, send them out the door. main character energy fr 🔥

🌸 SYNOPSIS 🌸

int sdma_v2_4_gfx_resume (struct amdgpu_device *adev );

that's it, that's the whole vibe. one function, one pointer, no drama. 💅

🎀 ARGUMENTS 🎀

  • adev — an amdgpu_device pointer. just the device handle, that's all she needs 🫶

🦋 DESCRIPTION 🦋

so what does she actually do? Set up the gfx DMA ring buffers and enable them (VI). like literally, she's building the rings and flipping them on, VI flavor 🧚

Returns 0 for success, error for failure. so if you get a 0 back, that's a slay. if you get an error, that's a "not me crying in dmesg" moment 😭 but she tells you honestly, no cap.

🌈 SEE ALSO 🌈

the whole friend group, and also the source file — Kernel file ./drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c 👑

ok and that's the whole page. go read the source, it's literally right there 🫶

sign-off time 💜 this lil slice of kernel lore lives down in ./drivers/gpu/drm/amd/amdgpu, and this particular printing is dated October 2026 — iykyk 🌸✨🎀

📦 where this page comes from