// SPDX-License-Identifier: MIT /* * Copyright(c) 2020 Intel Corporation. */ #include "intel_pxp.h" #include "intel_pxp_irq.h" #include "intel_pxp_pm.h" #include "intel_pxp_session.h" #include "i915_drv.h" void intel_pxp_suspend_prepare(struct intel_pxp *pxp) { if (!intel_pxp_is_enabled(pxp)) return; pxp->arb_is_valid = false; 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_to_gt(pxp)->i915->runtime_pm, wakeref) { intel_pxp_fini_hw(pxp); pxp->hw_state_invalidated = false; } } void intel_pxp_resume(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. */ if (!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; }