On 2022-03-10 19:06, Alex Deucher wrote: > If the GPU is passed through to a guest VM, use the PCI > BAR for CPU FB access rather than the physical address of > carve out. The physical address is not valid in a guest. I think amdgpu_device_flush_hdp & amdgpu_device_invalidate_hdp need to be modified accordingly. Also, I wonder if BAR resizing could work with APUs? -- Earthling Michel Dänzer | https://redhat.com Libre software enthusiast | Mesa and Xwayland developer
