64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
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// SPDX-License-Identifier: MIT
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/*
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* Copyright(c) 2020 Intel Corporation.
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*/
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#include "i915_drv.h"
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#include "intel_pxp.h"
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#include "intel_pxp_irq.h"
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#include "intel_pxp_pm.h"
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#include "intel_pxp_session.h"
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#include "intel_pxp_types.h"
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void intel_pxp_suspend_prepare(struct intel_pxp *pxp)
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{
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if (!intel_pxp_is_enabled(pxp))
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return;
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pxp->arb_is_valid = false;
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intel_pxp_invalidate(pxp);
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}
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void intel_pxp_suspend(struct intel_pxp *pxp)
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{
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intel_wakeref_t wakeref;
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if (!intel_pxp_is_enabled(pxp))
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return;
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with_intel_runtime_pm(&pxp->ctrl_gt->i915->runtime_pm, wakeref) {
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intel_pxp_fini_hw(pxp);
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pxp->hw_state_invalidated = false;
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}
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}
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void intel_pxp_resume(struct intel_pxp *pxp)
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{
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if (!intel_pxp_is_enabled(pxp))
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return;
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/*
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* The PXP component gets automatically unbound when we go into S3 and
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* re-bound after we come out, so in that scenario we can defer the
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* hw init to the bind call.
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*/
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if (!pxp->pxp_component)
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return;
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intel_pxp_init_hw(pxp);
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}
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void intel_pxp_runtime_suspend(struct intel_pxp *pxp)
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{
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if (!intel_pxp_is_enabled(pxp))
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return;
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pxp->arb_is_valid = false;
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intel_pxp_fini_hw(pxp);
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pxp->hw_state_invalidated = false;
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}
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