[PATCH v3 5/8] drm/i915/pxp: Add ARB session creation with new PXP API Ver4.3

[Teres Alexis, Alan Previn]

With the acceptance of the explicit-px-fw-cmd-termination series upstream
(https://patchwork.freedesktop.org/series/113307/), this patch #5 of this
series will need a rerev with the addition of MTL's version of the
explicit termination as well.

...alan

On Wed, 2023-01-25 at 00:06 -0800, Teres Alexis, Alan Previn wrote:
> Add MTL's function for ARB session creation using PXP firmware
> version 4.3 ABI structure format.
> 
> Before checking the return status, look at the GSC-CS-Mem-Header's
> pending-bit which means the GSC firmware is busy and we should
> resubmit.
> 
> Signed-off-by: Alan Previn <alan.previn.teres.alexis at intel.com>
> ---
alan:snip