inv_eng 815 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c unsigned vmhub, inv_eng; inv_eng 821 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c inv_eng = ffs(vm_inv_engs[vmhub]); inv_eng 822 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c if (!inv_eng) { inv_eng 828 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c ring->vm_inv_eng = inv_eng - 1;