gmc_v12_0_mc_init(9)

✨ gmc_v12_0_mc_init(9) ✨

okay so bestie, welcome to the Kernel API Manual — this one's a lil function called gmc_v12_0_mc_init, and it's literally the glow-up moment for the memory controller driver params 💅

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🌸 NAME 🌸

gmc_v12_0_mc_init — initialize the memory controller driver params 🎀

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🦋 SYNOPSIS 🦋

int gmc_v12_0_mc_init (struct amdgpu_device *adev );

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💖 ARGUMENTS 💖

• adev — an amdgpu_device pointer. that's your girl right there, the whole device struct 🫶

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👑 DESCRIPTION 👑

so like, here's what she does: she goes looking up the amount of vram, then the vram width, and then she decides how to place vram and gart inside the GPU's physical address space ✨ that's the whole vibe check, no cap.

Returns 0 for success 🎉 (which is the good ending, obviously).

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🌈 SEE ALSO 🌈

Kernel file ./drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c — go read the source bestie, it's giving main character energy 📖

• gmc_v12_0_use_invalidate_semaphore(9)
• gmc_v12_0_flush_gpu_tlb(9)
• gmc_v12_0_flush_gpu_tlb_pasid(9)
• gmc_v12_0_gart_fini(9)
• gmc_v12_0_gart_enable(9)
• gmc_v12_0_gart_disable(9)

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and that's the whole page, icon 💜 from ./drivers/gpu/drm/amd/amdgpu, dated October 2026 — slay, periodt, go init some memory controllers 🧚‍♀️🔥