root/drivers/gpu/drm/i915/gt/intel_gt_pm.h

INCLUDED FROM

DEFINITIONS

1. intel_gt_pm_is_awake
2. intel_gt_pm_get
3. intel_gt_pm_get_if_awake
4. intel_gt_pm_put
5. intel_gt_pm_wait_for_idle

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright © 2019 Intel Corporation
   5  */
   6 
   7 #ifndef INTEL_GT_PM_H
   8 #define INTEL_GT_PM_H
   9 
  10 #include <linux/types.h>
  11 
  12 #include "intel_gt_types.h"
  13 #include "intel_wakeref.h"
  14 
  15 enum {
  16         INTEL_GT_UNPARK,
  17         INTEL_GT_PARK,
  18 };
  19 
  20 static inline bool intel_gt_pm_is_awake(const struct intel_gt *gt)
  21 {
  22         return intel_wakeref_is_active(&gt->wakeref);
  23 }
  24 
  25 static inline void intel_gt_pm_get(struct intel_gt *gt)
  26 {
  27         intel_wakeref_get(&gt->wakeref);
  28 }
  29 
  30 static inline bool intel_gt_pm_get_if_awake(struct intel_gt *gt)
  31 {
  32         return intel_wakeref_get_if_active(&gt->wakeref);
  33 }
  34 
  35 static inline void intel_gt_pm_put(struct intel_gt *gt)
  36 {
  37         intel_wakeref_put(&gt->wakeref);
  38 }
  39 
  40 static inline int intel_gt_pm_wait_for_idle(struct intel_gt *gt)
  41 {
  42         return intel_wakeref_wait_for_idle(&gt->wakeref);
  43 }
  44 
  45 void intel_gt_pm_init_early(struct intel_gt *gt);
  46 
  47 void intel_gt_sanitize(struct intel_gt *gt, bool force);
  48 int intel_gt_resume(struct intel_gt *gt);
  49 void intel_gt_runtime_suspend(struct intel_gt *gt);
  50 int intel_gt_runtime_resume(struct intel_gt *gt);
  51 
  52 #endif /* INTEL_GT_PM_H */