In this interface i915 is returning a blob of data which it receives
from the guc software. This blob provides some useful data about the
hardware for drivers. The format of this blob will be documented in
the Programmer Reference Manuals when released.

Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Kenneth Graunke <kenneth.w.graunke@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Slawomir Milczarek <slawomir.milczarek@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: NRodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: NJohn Harrison <John.C.Harrison@Intel.com>
Reviewed-by: NMatthew Brost <matthew.brost@intel.com>
Acked-by: NJordan Justen <jordan.l.justen@intel.com>
Tested-by: NJordan Justen <jordan.l.justen@intel.com>
Acked-by: NJon Bloomfield <jon.bloomfield@intel.com>
Signed-off-by: NJohn Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220306232157.1174335-3-jordan.l.justen@intel.com