drm/i915/mtl/huc: auth HuC via GSC
The full authentication via the GSC requires an heci packet submission to the GSC FW via the GSC CS. The GSC has new PXP command for this (literally called NEW_HUC_AUTH). The intel_huc_auth function is also updated to handle both authentication types. v2: check that the GuC auth for clear media has completed before proceding with the full auth v3: use a define for the object size (Alan) Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Alan Previn <alan.previn.teres.alexis@intel.com> Reviewed-by: Alan Previn <alan.previn.teres.alexis@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230531235415.1467475-6-daniele.ceraolospurio@intel.com
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