| /* SPDX-License-Identifier: MIT */ |
| /* |
| * Copyright © 2022 Intel Corporation |
| */ |
| |
| #ifndef _XE_PM_H_ |
| #define _XE_PM_H_ |
| |
| #include <linux/pm_runtime.h> |
| |
| /* |
| * TODO: Threshold = 0 will block D3Cold. |
| * Before we can move this to a higher value (like 300), we need to: |
| * 1. rewrite the VRAM save / restore to avoid buffer object locks |
| */ |
| #define DEFAULT_VRAM_THRESHOLD 0 /* in MB */ |
| |
| struct xe_device; |
| |
| int xe_pm_suspend(struct xe_device *xe); |
| int xe_pm_resume(struct xe_device *xe); |
| |
| int xe_pm_init_early(struct xe_device *xe); |
| int xe_pm_init(struct xe_device *xe); |
| void xe_pm_runtime_fini(struct xe_device *xe); |
| bool xe_pm_runtime_suspended(struct xe_device *xe); |
| int xe_pm_runtime_suspend(struct xe_device *xe); |
| int xe_pm_runtime_resume(struct xe_device *xe); |
| void xe_pm_runtime_get(struct xe_device *xe); |
| int xe_pm_runtime_get_ioctl(struct xe_device *xe); |
| void xe_pm_runtime_put(struct xe_device *xe); |
| int xe_pm_runtime_get_if_active(struct xe_device *xe); |
| bool xe_pm_runtime_get_if_in_use(struct xe_device *xe); |
| void xe_pm_runtime_get_noresume(struct xe_device *xe); |
| bool xe_pm_runtime_resume_and_get(struct xe_device *xe); |
| void xe_pm_assert_unbounded_bridge(struct xe_device *xe); |
| int xe_pm_set_vram_threshold(struct xe_device *xe, u32 threshold); |
| void xe_pm_d3cold_allowed_toggle(struct xe_device *xe); |
| struct task_struct *xe_pm_read_callback_task(struct xe_device *xe); |
| |
| #endif |
