amdgpu_gart_dummy_page_init(9)

🎀 amdgpu_gart_dummy_page_init(9) 🎀

okay bestie, welcome to the Kernel API Manual — we're looking at the function that gets the driver's little placeholder page ready, and yes it's giving main character setup energy ✨

✨ NAME ✨

amdgpu_gart_dummy_page_init — init dummy page used by the driver 💅

🌸 SYNOPSIS 🌸

int amdgpu_gart_dummy_page_init (struct amdgpu_device *adev );

🦋 ARGUMENTS 🦋

• adev — amdgpu_device pointer, bestie 🫶

💖 DESCRIPTION 💖

So this function allocates the dummy page used by the driver (all asics). This dummy page is used by the driver as a filler for gart entries when pages are taken out of the GART. Returns 0 on sucess, -ENOMEM on failure 😭

yes, "sucess" is spelled exactly like that in the original — we keep the lore fr fr 💀

🔥 SEE ALSO 🔥

Kernel file ./drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c

the whole friend group, no cap:

• amdgpu_gart_dummy_page_fini(9)
• amdgpu_gart_table_ram_alloc(9)
• amdgpu_gart_table_ram_free(9)
• amdgpu_gart_table_vram_alloc(9)
• amdgpu_gart_table_vram_free(9)
• amdgpu_gart_unbind(9)
• amdgpu_gart_map(9)
• amdgpu_gart_map_vram_range(9)
• amdgpu_gart_map_gfx9_mqd(9)
• amdgpu_gart_bind(9)
• amdgpu_gart_invalidate_tlb(9)
• amdgpu_gart_init(9)

Source/version: ./drivers/gpu/drm/amd/amdgpu · date: October 2026 — mwah 💋 bye bestie 🌈