44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
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/* SPDX-License-Identifier: MIT */
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/*
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* Copyright(c) 2022, Intel Corporation. All rights reserved.
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*/
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#ifndef __INTEL_PXP_GSCCS_H__
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#define __INTEL_PXP_GSCCS_H__
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#include <linux/types.h>
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struct intel_pxp;
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#define GSC_REPLY_LATENCY_MS 210
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/*
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* Max FW response time is 200ms, to which we add 10ms to account for overhead
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* such as request preparation, GuC submission to hw and pipeline completion times.
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*/
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#define GSC_PENDING_RETRY_MAXCOUNT 40
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#define GSC_PENDING_RETRY_PAUSE_MS 50
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#define GSCFW_MAX_ROUND_TRIP_LATENCY_MS (GSC_PENDING_RETRY_MAXCOUNT * GSC_PENDING_RETRY_PAUSE_MS)
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#ifdef CONFIG_DRM_I915_PXP
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void intel_pxp_gsccs_fini(struct intel_pxp *pxp);
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int intel_pxp_gsccs_init(struct intel_pxp *pxp);
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int intel_pxp_gsccs_create_session(struct intel_pxp *pxp, int arb_session_id);
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void intel_pxp_gsccs_end_arb_fw_session(struct intel_pxp *pxp, u32 arb_session_id);
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#else
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static inline void intel_pxp_gsccs_fini(struct intel_pxp *pxp)
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{
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}
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static inline int intel_pxp_gsccs_init(struct intel_pxp *pxp)
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{
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return 0;
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}
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#endif
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bool intel_pxp_gsccs_is_ready_for_sessions(struct intel_pxp *pxp);
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#endif /*__INTEL_PXP_GSCCS_H__ */
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