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which it actually implements instead of the newest version defined in dri_interface.h Cc: "10.5 10.6" <mesa-stable@lists.freedesktop.org> Signed-off-by: Boyan Ding <boyan.j.ding@gmail.com> Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>