Cregit: Linux 6.6: intel_pxp

Contributors: 7
Author	Tokens	Token Proportion	Commits	Commit Proportion
Huang, Sean Z	71	42.01%	4	23.53%
Daniele Ceraolo Spurio	56	33.14%	3	17.65%
Tejas Upadhyay	17	10.06%	1	5.88%
Alan Previn	17	10.06%	4	23.53%
Chris Wilson	5	2.96%	3	17.65%
Andi Shyti	2	1.18%	1	5.88%
Tvrtko A. Ursulin	1	0.59%	1	5.88%
Total	169		17

// SPDX-License-Identifier: MIT
/*
 * Copyright(c) 2020 Intel Corporation.
 */

#include "i915_drv.h"

#include "intel_pxp.h"
#include "intel_pxp_irq.h"
#include "intel_pxp_pm.h"
#include "intel_pxp_session.h"
#include "intel_pxp_types.h"

void intel_pxp_suspend_prepare(struct intel_pxp *pxp)
{
	if (!intel_pxp_is_enabled(pxp))
		return;

	intel_pxp_end(pxp);

	intel_pxp_invalidate(pxp);
}

void intel_pxp_suspend(struct intel_pxp *pxp)
{
	intel_wakeref_t wakeref;

	if (!intel_pxp_is_enabled(pxp))
		return;

	with_intel_runtime_pm(&pxp->ctrl_gt->i915->runtime_pm, wakeref) {
		intel_pxp_fini_hw(pxp);
		pxp->hw_state_invalidated = false;
	}
}

void intel_pxp_resume_complete(struct intel_pxp *pxp)
{
	if (!intel_pxp_is_enabled(pxp))
		return;

	/*
	 * The PXP component gets automatically unbound when we go into S3 and
	 * re-bound after we come out, so in that scenario we can defer the
	 * hw init to the bind call.
	 * NOTE: GSC-CS backend doesn't rely on components.
	 */
	if (!HAS_ENGINE(pxp->ctrl_gt, GSC0) && !pxp->pxp_component)
		return;

	intel_pxp_init_hw(pxp);
}

void intel_pxp_runtime_suspend(struct intel_pxp *pxp)
{
	if (!intel_pxp_is_enabled(pxp))
		return;

	pxp->arb_is_valid = false;

	intel_pxp_fini_hw(pxp);

	pxp->hw_state_invalidated = false;
}

intel_pxp_pm.c