On Mon, Sep 22, 2014 at 07:17:41PM +0800, Jike Song wrote: > Thanks for the demo. Currently sanitize_enable_ppgtt() is called by i915_gem_gtt_init(), before > intel_check_vgpu(). > > I'm trying to detect VGPU as early as possible, maybe between intel_detect_pch() and intel_uncore_init(), > using bare readq/readw instead of I915_READxx. I am thinking that the right level for check_vgpu is uncore_init. Using raw mmio is acceptable at that point, and once you know you have a vgpu you can forgo all the mmio emulation. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx