drm/i915/gvt: Add basic debugfs infrastructure
We need debugfs entry to expose some debug information of gvt and vGPUs. The first tool will be added is mmio-diff, which help to find the difference values of host and vGPU mmio. It's useful for platform enabling. This patch just add a basic debugfs infrastructure, each vGPU has its own sub-folder. Two simple attributes are created as a template. . ├── num_tracked_mmio ├── vgpu1 | └── active └── vgpu2 └── active Signed-off-by:Changbin Du <changbin.du@intel.com> Reviewed-by:
Zhi Wang <zhi.a.wang@intel.com> Signed-off-by:
Zhi Wang <zhi.a.wang@intel.com>
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6aa23ced