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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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bc3e5f48b7
Convert IRQ bottom half from the thread handler into workqueue. This increases a stability in rare scenarios where driver on debugging/hardening kernels processes IRQ too slow and misses some interrupts due to it. Workqueue handler also gives a very minor performance increase. Signed-off-by: Maciej Falkowski <maciej.falkowski@linux.intel.com> Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250107173238.381120-6-maciej.falkowski@linux.intel.com
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2020-2024 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/rwsem.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 delayed_work job_timeout_work;
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struct work_struct recovery_work;
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struct rw_semaphore reset_lock;
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atomic_t reset_counter;
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atomic_t reset_pending;
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bool is_warmboot;
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u8 dct_active_percent;
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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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void ivpu_rpm_put(struct ivpu_device *vdev);
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void ivpu_pm_trigger_recovery(struct ivpu_device *vdev, const char *reason);
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void ivpu_start_job_timeout_detection(struct ivpu_device *vdev);
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void ivpu_stop_job_timeout_detection(struct ivpu_device *vdev);
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int ivpu_pm_dct_init(struct ivpu_device *vdev);
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int ivpu_pm_dct_enable(struct ivpu_device *vdev, u8 active_percent);
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int ivpu_pm_dct_disable(struct ivpu_device *vdev);
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void ivpu_pm_irq_dct_work_fn(struct work_struct *work);
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#endif /* __IVPU_PM_H__ */
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