gmc_v9_0_mc_init(9)

NAME 💖

gmc_v9_0_mc_init(9) — okay bestie, welcome to the gmc_v9_0_mc_init(9) page in the Kernel API Manual. This function is literally here to initialize the memory controller driver params. 🫶

SYNOPSIS 🎀

int gmc_v9_0_mc_init (struct amdgpu_device *adev );

ARGUMENTS 🌸

• adev — an amdgpu_device pointer. That’s the whole argument, and it’s iconic. 💅

DESCRIPTION ✨

So what this function does is look up the amount of vram, look up the vram width, and then decide how to place vram and gart within the GPU’s physical address space. Returns 0 for success — slay, no cap. 🔥

SEE ALSO 🦋

• Kernel file ./drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
• gmc_v9_0_use_invalidate_semaphore(9)
• gmc_v9_0_flush_gpu_tlb(9)
• gmc_v9_0_flush_gpu_tlb_pasid(9)
• gmc_v9_0_save_registers(9)
• gmc_v9_0_restore_registers(9)
• gmc_v9_0_gart_enable(9)
• gmc_v9_0_gart_disable(9)

okay bye bestie 💋 — source/version: ./drivers/gpu/drm/amd/amdgpu, date: October 2026 ✨