[Intel-gfx] [PATCH v10] vfio: ABI for mdev display dma-buf operation
Gerd Hoffmann
kraxel at redhat.com
Fri Jul 14 12:05:39 UTC 2017
Hi,
> There could be only two planes, one DRM_PLANE_TYPE_PRIMARY and one
> DRM_PLANE_TYPE_CURSOR.
> Steps from gfx_update for region case would be:
> - VFIO_DEVICE_QUERY_GFX_PLANE with plane_type =
> DRM_PLANE_TYPE_PRIMARY
> - if vfio_device_gfx_plane_info.size > 0, read region for primary
> surface and update console surface
Why? I suspect you want notify the caller whenever the surface has
been updated or not? If so we should add an explicit flag or field for
that.
cheers,
Gerd
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