amdgpu_vm_pt_parent(9)

okay bestie, welcome to the amdgpu_vm_pt_parent(9) page from the Kernel API Manual 🫶 this one is short and sweet, and yes, we’re keeping every single detail.

💖 NAME 💖

amdgpu_vm_pt_parent — get the parent page directory. periodt.

✨ SYNOPSIS ✨

the signature is giving exactly this, no edits:

struct amdgpu_vm_bo_base * amdgpu_vm_pt_parent (struct amdgpu_vm_bo_base
*pt );

🌸 ARGUMENTS 🌸

• pt — the child page table. that’s the whole mood.

🦋 DESCRIPTION 🦋

okay so this is a helper that gets the parent entry for the child page table. it returns NULL if we are at the root page directory — yes, the root case is literally right there, don’t forget it 💅

👑 SEE ALSO 👑

Kernel file: ./drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c, and the whole friend group is:

• amdgpu_vm_pt_level_shift(9)
• amdgpu_vm_pt_num_entries(9)
• amdgpu_vm_pt_entries_mask(9)
• amdgpu_vm_pt_size(9)
• amdgpu_vm_pt_start(9)
• amdgpu_vm_pt_descendant(9)
• amdgpu_vm_pt_sibling(9)
• amdgpu_vm_pt_ancestor(9)
• amdgpu_vm_pt_next(9)
• amdgpu_vm_pt_first_dfs(9)
• amdgpu_vm_pt_continue_dfs(9)
• amdgpu_vm_pt_next_dfs(9)
• amdgpu_vm_pt_clear(9)
• amdgpu_vm_pt_create(9)
• amdgpu_vm_pt_alloc(9)
• amdgpu_vm_pt_free(9)
• amdgpu_vm_pt_free_list(9)
• amdgpu_vm_pt_add_list(9)
• amdgpu_vm_pt_free_root(9)
• amdgpu_vm_pde_update(9)
• amdgpu_vm_pte_update_noretry_flags(9)
• amdgpu_vm_pte_fragment(9)
• amdgpu_vm_ptes_update(9)
• amdgpu_vm_pt_map_tables(9)

source/version ./drivers/gpu/drm/amd/amdgpu · date October 2026 — amdgpu_vm_pt_parent(9) is signing off, mwah 💋💅