amdgpu_wb_free(9)

💅 amdgpu_wb_free(9) — the Kernel API Manual, bestie edition 🎀

okay so this is amdgpu_wb_free, straight out of the Kernel API Manual, and it is literally the cleanup queen of writeback slots ✨ she frees a wb entry, that's the whole vibe, no cap.

✨ NAME ✨

amdgpu_wb_free — free a wb entry 🦋

✨ SYNOPSIS ✨

void amdgpu_wb_free (struct amdgpu_device *adev , u32 wb );

like yes that's the whole signature, she's short and she knows it 💅

✨ ARGUMENTS ✨

• adev — an amdgpu_device pointer 🫶 the main character struct, she's the device you're working with
• wb — the wb index 🎀 literally just which slot, that's it

✨ DESCRIPTION ✨

Free a wb slot that was allocated for use by the driver — and the manpage is very clear that this goes for all asics, so no asic-specific drama, bestie, it's the same deal across the board 🌈

so yeah: slot was taken, slot gets given back, everyone moves on, iconic behavior honestly 👑

✨ SEE ALSO ✨

• Kernel file ./drivers/gpu/drm/amd/amdgpu/amdgpu_wb.c 🍓
• amdgpu_wb_fini(9)
• amdgpu_wb_init(9)
• amdgpu_wb_get(9)

like the whole wb friend group, go read them too, iykyk 💖

okay that's the page!! this one came from ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and the page is amdgpu_wb_free(9) — mwah, go free those slots responsibly bestie 💜🌸