amdgpu_gtt_mgr_init(9)

💖 amdgpu_gtt_mgr_init(9) — it's giving "kernel API manual" ✨

okay so bestie, welcome to the amdgpu_gtt_mgr_init(9) page 💅 this is from the Kernel API Manual and it's literally the glow-up moment for the GTT manager. buckle up 🎀

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🌸 NAME 🌸

amdgpu_gtt_mgr_init — init GTT manager and DRM MM 🫶

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✨ SYNOPSIS ✨

int amdgpu_gtt_mgr_init (struct amdgpu_device *adev , uint64_t gtt_size
);

no cap, that's the whole signature. it takes the device and a size and hands you back an int. periodt 💜

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🦋 ARGUMENTS 🦋

• adev — amdgpu_device pointer. like, a pointer to the amdgpu_device, obviously 😌 that's the whole vibe.
• gtt_size — maximum size of GTT. yes bestie, the maximum — it's a uint64_t so she can go big 🔥

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🧚 DESCRIPTION 🧚

Allocate and initialize the GTT manager. that's it, that's the tea ☕ it literally allocates it and inits it. main character energy fr fr 👑

ngl this is a short one — the description says exactly one thing and she said it with her whole chest 💀

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🌈 SEE ALSO 🌈

first up, the kernel file she lives in:

./drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c

and then the whole friend group 😭 look at this roster, it's a group chat:

• mem_info_gtt_total(9)
• mem_info_gtt_used(9)
• amdgpu_gtt_mgr_has_gart_addr(9)
• amdgpu_gtt_mgr_mark_bo_teardown(9)
• amdgpu_gtt_mgr_new(9)
• amdgpu_gtt_mgr_del(9)
• amdgpu_gtt_mgr_alloc_entries(9)
• amdgpu_gtt_mgr_free_entries(9)
• amdgpu_gtt_mgr_recover(9)
• amdgpu_gtt_mgr_intersects(9)
• amdgpu_gtt_mgr_compatible(9)
• amdgpu_gtt_mgr_debug(9)
• amdgpu_gtt_mgr_fini(9)

like, twelve whole functions plus the file path. ate and left no crumbs 🍓 iykyk.

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and that's the page, bestie!! 🎀 before you go — this lil diva comes from ./drivers/gpu/drm/amd/amdgpu, version dated October 2026 💅 mwah, go init something iconic 😘💖