amdgpu_gmc_agp_location(9)

💖 amdgpu_gmc_agp_location(9) — Kernel API Manual 💖

okay bestie, welcome to the Kernel API Manual page for amdgpu_gmc_agp_location(9) — it's lowkey all about finding a home for the AGP BAR. ✨

🌸 NAME 🌸

amdgpu_gmc_agp_location — try to find AGP location. 🎀

✨ SYNOPSIS ✨

void amdgpu_gmc_agp_location (struct amdgpu_device *adev , struct
       amdgpu_gmc *mc );

🫶 ARGUMENTS 🫶

• adev — the amdgpu device structure holding all the necessary information. 💖
• mc — the memory controller structure holding the memory information. 🎀

🔥 DESCRIPTION 🔥

okay so this function is gonna try to find a place for the AGP BAR in the MC address space. No cap, that's the whole mission. 💅

The AGP BAR gets assigned the largest available hole in the address space — biggest gap gets the spot, periodt. 🌈

It should be called after the VRAM and GART locations are set up, bestie. So like, do those first, okay? 🫶

🦋 SEE ALSO 🦋

Kernel file: ./drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c

• amdgpu_gmc_pdb0_alloc(9)
• amdgpu_gmc_get_pde_for_bo(9)
• amdgpu_gmc_set_pte_pde(9)
• amdgpu_gmc_agp_addr(9)
• amdgpu_gmc_vram_location(9)
• amdgpu_gmc_gart_location(9)
• amdgpu_gmc_set_agp_default(9)
• amdgpu_gmc_fault_key(9)
• amdgpu_gmc_filter_faults(9)
• amdgpu_gmc_filter_faults_remove(9)
• amdgpu_gmc_tmz_set(9)
• amdgpu_gmc_noretry_set(9)
• amdgpu_gmc_init_pdb0(9)
• amdgpu_gmc_vram_mc2pa(9)
• amdgpu_gmc_vram_pa(9)

kisses bestie 💋 — this lil page comes from the kernel source at ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and it's the manual for amdgpu_gmc_agp_location(9). 🫶💖