#StackBounty: #kernel #memory #amd-graphics #amd #kernel-parameters Disable GTT on amdgpu?

Bounty: 50

How can I disable GTT on amdgpu?

According to https://www.kernel.org/doc/html/v4.20/gpu/amdgpu.html, adding amdgpu.gttsize=0 should work but that has no effect.

The reason why I am asking is, that my Vega 8 graphics (of my AMD Ryzen 7 PRO 5850U cpu) already has 4GB VRAM and takes another 4GB of GTT. As the GTT memory is cut off from my "regular" 16 GB memory but I mainly use my CPU over my GPU (compiling, databases…), I only can use 12GB of it.

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