c39dc15191
Do not unnecessarily wake up device to read clock rate. Return 0 as clk_rate if device is suspended. Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com> Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231020104501.697763-4-stanislaw.gruszka@linux.intel.com
42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2020-2023 Intel Corporation
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*/
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#ifndef __IVPU_PM_H__
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#define __IVPU_PM_H__
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#include <linux/types.h>
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struct ivpu_device;
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struct ivpu_pm_info {
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struct ivpu_device *vdev;
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struct work_struct recovery_work;
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atomic_t in_reset;
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atomic_t reset_counter;
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bool is_warmboot;
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u32 suspend_reschedule_counter;
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};
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void ivpu_pm_init(struct ivpu_device *vdev);
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void ivpu_pm_enable(struct ivpu_device *vdev);
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void ivpu_pm_disable(struct ivpu_device *vdev);
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void ivpu_pm_cancel_recovery(struct ivpu_device *vdev);
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int ivpu_pm_suspend_cb(struct device *dev);
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int ivpu_pm_resume_cb(struct device *dev);
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int ivpu_pm_runtime_suspend_cb(struct device *dev);
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int ivpu_pm_runtime_resume_cb(struct device *dev);
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void ivpu_pm_reset_prepare_cb(struct pci_dev *pdev);
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void ivpu_pm_reset_done_cb(struct pci_dev *pdev);
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int __must_check ivpu_rpm_get(struct ivpu_device *vdev);
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int __must_check ivpu_rpm_get_if_active(struct ivpu_device *vdev);
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void ivpu_rpm_put(struct ivpu_device *vdev);
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void ivpu_pm_schedule_recovery(struct ivpu_device *vdev);
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#endif /* __IVPU_PM_H__ */
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