amdgpu_mem_visible 675 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c if (!amdgpu_mem_visible(adev, old_mem) || amdgpu_mem_visible 676 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c !amdgpu_mem_visible(adev, new_mem)) {