Quoting Daniele Ceraolo Spurio (2021-03-01 19:31:54)
> +int intel_pxp_runtime_resume(struct intel_pxp *pxp)
> +{
> + struct intel_gt *gt = pxp_to_gt(pxp);
> + int ret;
> +
> + if (!intel_pxp_is_enabled(pxp))
> + return 0;
> +
> + intel_pxp_irq_enable(pxp);
> +
From: "Huang, Sean Z"
During the power event S3+ sleep/resume, hardware will lose all the
encryption keys for every hardware session, even though the
software session state was marked as alive after resume. So to
handle such case, PXP should unconditionally terminate the hardware
sessions and cle