Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2022 Intel Corporation
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*/
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#ifndef _XE_PM_H_
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#define _XE_PM_H_
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#include <linux/cleanup.h>
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#include <linux/pm_runtime.h>
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#define DEFAULT_VRAM_THRESHOLD 300 /* in MB */
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struct xe_device;
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int xe_pm_suspend(struct xe_device *xe);
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int xe_pm_resume(struct xe_device *xe);
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int xe_pm_init_early(struct xe_device *xe);
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int xe_pm_init(struct xe_device *xe);
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void xe_pm_fini(struct xe_device *xe);
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bool xe_pm_runtime_suspended(struct xe_device *xe);
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int xe_pm_runtime_suspend(struct xe_device *xe);
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int xe_pm_runtime_resume(struct xe_device *xe);
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void xe_pm_runtime_get(struct xe_device *xe);
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int xe_pm_runtime_get_ioctl(struct xe_device *xe);
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void xe_pm_runtime_put(struct xe_device *xe);
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bool xe_pm_runtime_get_if_active(struct xe_device *xe);
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bool xe_pm_runtime_get_if_in_use(struct xe_device *xe);
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void xe_pm_runtime_get_noresume(struct xe_device *xe);
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bool xe_pm_runtime_resume_and_get(struct xe_device *xe);
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void xe_pm_assert_unbounded_bridge(struct xe_device *xe);
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int xe_pm_set_vram_threshold(struct xe_device *xe, u32 threshold);
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void xe_pm_d3cold_allowed_toggle(struct xe_device *xe);
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bool xe_rpm_reclaim_safe(const struct xe_device *xe);
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struct task_struct *xe_pm_read_callback_task(struct xe_device *xe);
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int xe_pm_block_on_suspend(struct xe_device *xe);
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void xe_pm_might_block_on_suspend(void);
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int xe_pm_module_init(void);
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static inline void __xe_pm_runtime_noop(struct xe_device *xe) {}
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DEFINE_GUARD(xe_pm_runtime, struct xe_device *,
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xe_pm_runtime_get(_T), xe_pm_runtime_put(_T))
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DEFINE_GUARD(xe_pm_runtime_noresume, struct xe_device *,
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xe_pm_runtime_get_noresume(_T), xe_pm_runtime_put(_T))
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DEFINE_GUARD_COND(xe_pm_runtime, _ioctl, xe_pm_runtime_get_ioctl(_T), _RET >= 0)
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/*
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* Used when a function needs to release runtime PM in all possible cases
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* and error paths, but the wakeref was already acquired by a different
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* function (i.e., get() has already happened so only a put() is needed).
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*/
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DEFINE_GUARD(xe_pm_runtime_release_only, struct xe_device *,
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__xe_pm_runtime_noop(_T), xe_pm_runtime_put(_T));
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#endif
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