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linux/drivers/accel/ivpu/ivpu_pm.h

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accel/ivpu: Add PM support - Implement cold and warm firmware boot flows - Add hang recovery support - Add runtime power management support Co-developed-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20230117092723.60441-8-jacek.lawrynowicz@linux.intel.com
2023-01-17 10:27:23 +01:00
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2020-2023 Intel Corporation
*/
#ifndef __IVPU_PM_H__
#define __IVPU_PM_H__
accel/ivpu: Improve recovery and reset support - Synchronize job submission with reset/recovery using reset_lock - Always print recovery reason and call diagnose_failure() - Don't allow for autosupend during recovery - Prevent immediate autosuspend after reset/recovery - Prevent force_recovery for issuing TDR when device is suspended - Reset VPU instead triggering recovery after changing debugfs params Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Wachowski, Karol <karol.wachowski@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240122120945.1150728-4-jacek.lawrynowicz@linux.intel.com
2024-01-22 13:09:45 +01:00
#include <linux/rwsem.h>
accel/ivpu: Add PM support - Implement cold and warm firmware boot flows - Add hang recovery support - Add runtime power management support Co-developed-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20230117092723.60441-8-jacek.lawrynowicz@linux.intel.com
2023-01-17 10:27:23 +01:00
#include <linux/types.h>
struct ivpu_device;
struct ivpu_pm_info {
struct ivpu_device *vdev;
accel/ivpu: Use dedicated work for job timeout detection Change to use work for timeout detection. Needed for thread_irq conversion. Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231113170252.758137-5-jacek.lawrynowicz@linux.intel.com
2023-11-13 18:02:51 +01:00
struct delayed_work job_timeout_work;
accel/ivpu: Add PM support - Implement cold and warm firmware boot flows - Add hang recovery support - Add runtime power management support Co-developed-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20230117092723.60441-8-jacek.lawrynowicz@linux.intel.com
2023-01-17 10:27:23 +01:00
struct work_struct recovery_work;
accel/ivpu: Improve recovery and reset support - Synchronize job submission with reset/recovery using reset_lock - Always print recovery reason and call diagnose_failure() - Don't allow for autosupend during recovery - Prevent immediate autosuspend after reset/recovery - Prevent force_recovery for issuing TDR when device is suspended - Reset VPU instead triggering recovery after changing debugfs params Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Wachowski, Karol <karol.wachowski@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240122120945.1150728-4-jacek.lawrynowicz@linux.intel.com
2024-01-22 13:09:45 +01:00
struct rw_semaphore reset_lock;
accel/ivpu: Add debugfs files for testing device reset Add new debugfs files to validate device recovery functionality. Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230524074847.866711-4-stanislaw.gruszka@linux.intel.com
2023-05-24 09:48:45 +02:00
atomic_t reset_counter;
accel/ivpu: Improve recovery and reset support - Synchronize job submission with reset/recovery using reset_lock - Always print recovery reason and call diagnose_failure() - Don't allow for autosupend during recovery - Prevent immediate autosuspend after reset/recovery - Prevent force_recovery for issuing TDR when device is suspended - Reset VPU instead triggering recovery after changing debugfs params Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Wachowski, Karol <karol.wachowski@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240122120945.1150728-4-jacek.lawrynowicz@linux.intel.com
2024-01-22 13:09:45 +01:00
atomic_t reset_pending;
accel/ivpu: Add PM support - Implement cold and warm firmware boot flows - Add hang recovery support - Add runtime power management support Co-developed-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20230117092723.60441-8-jacek.lawrynowicz@linux.intel.com
2023-01-17 10:27:23 +01:00
bool is_warmboot;
u32 suspend_reschedule_counter;
};
accel/ivpu: Make ivpu_pm_init() void ivpu_pm_init() does not return any error, make it void. Reviewed-by: Karol Wachowski <karol.wachowski@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/20230901094957.168898-4-stanislaw.gruszka@linux.intel.com
2023-09-01 11:49:49 +02:00
void ivpu_pm_init(struct ivpu_device *vdev);
accel/ivpu: Add PM support - Implement cold and warm firmware boot flows - Add hang recovery support - Add runtime power management support Co-developed-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20230117092723.60441-8-jacek.lawrynowicz@linux.intel.com
2023-01-17 10:27:23 +01:00
void ivpu_pm_enable(struct ivpu_device *vdev);
void ivpu_pm_disable(struct ivpu_device *vdev);
accel/ivpu: Cancel recovery work Prevent running recovery_work after device is removed. Fixes: 852be13f3bd3 ("accel/ivpu: Add PM support") Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230323125504.2586442-3-stanislaw.gruszka@linux.intel.com
2023-03-23 13:54:58 +01:00
void ivpu_pm_cancel_recovery(struct ivpu_device *vdev);
accel/ivpu: Add PM support - Implement cold and warm firmware boot flows - Add hang recovery support - Add runtime power management support Co-developed-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20230117092723.60441-8-jacek.lawrynowicz@linux.intel.com
2023-01-17 10:27:23 +01:00
int ivpu_pm_suspend_cb(struct device *dev);
int ivpu_pm_resume_cb(struct device *dev);
int ivpu_pm_runtime_suspend_cb(struct device *dev);
int ivpu_pm_runtime_resume_cb(struct device *dev);
void ivpu_pm_reset_prepare_cb(struct pci_dev *pdev);
void ivpu_pm_reset_done_cb(struct pci_dev *pdev);
int __must_check ivpu_rpm_get(struct ivpu_device *vdev);
accel/ivpu: Read clock rate only if device is up 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
2023-10-20 12:44:58 +02:00
int __must_check ivpu_rpm_get_if_active(struct ivpu_device *vdev);
accel/ivpu: Add PM support - Implement cold and warm firmware boot flows - Add hang recovery support - Add runtime power management support Co-developed-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20230117092723.60441-8-jacek.lawrynowicz@linux.intel.com
2023-01-17 10:27:23 +01:00
void ivpu_rpm_put(struct ivpu_device *vdev);
accel/ivpu: Improve recovery and reset support - Synchronize job submission with reset/recovery using reset_lock - Always print recovery reason and call diagnose_failure() - Don't allow for autosupend during recovery - Prevent immediate autosuspend after reset/recovery - Prevent force_recovery for issuing TDR when device is suspended - Reset VPU instead triggering recovery after changing debugfs params Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Wachowski, Karol <karol.wachowski@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240122120945.1150728-4-jacek.lawrynowicz@linux.intel.com
2024-01-22 13:09:45 +01:00
void ivpu_pm_trigger_recovery(struct ivpu_device *vdev, const char *reason);
accel/ivpu: Use dedicated work for job timeout detection Change to use work for timeout detection. Needed for thread_irq conversion. Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231113170252.758137-5-jacek.lawrynowicz@linux.intel.com
2023-11-13 18:02:51 +01:00
void ivpu_start_job_timeout_detection(struct ivpu_device *vdev);
void ivpu_stop_job_timeout_detection(struct ivpu_device *vdev);
accel/ivpu: Add PM support - Implement cold and warm firmware boot flows - Add hang recovery support - Add runtime power management support Co-developed-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20230117092723.60441-8-jacek.lawrynowicz@linux.intel.com
2023-01-17 10:27:23 +01:00
#endif /* __IVPU_PM_H__ */
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