drivers/gpu/drm/xe/compat-i915-headers/intel_runtime_pm.h

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * Copyright © 2023 Intel Corporation
   4  */
   5
   6 #ifndef __INTEL_RUNTIME_PM_H__
   7 #define __INTEL_RUNTIME_PM_H__
   8
   9 #include "intel_wakeref.h"
  10 #include "xe_device_types.h"
  11 #include "xe_pm.h"
  12
  13 #define intel_runtime_pm xe_runtime_pm
  14
  15 static inline void disable_rpm_wakeref_asserts(void *rpm)
  16 {
  17 }
  18
  19 static inline void enable_rpm_wakeref_asserts(void *rpm)
  20 {
  21 }
  22
  23 static inline bool
  24 intel_runtime_pm_suspended(struct xe_runtime_pm *pm)
  25 {
  26         struct xe_device *xe = container_of(pm, struct xe_device, runtime_pm);
  27
  28         return pm_runtime_suspended(xe->drm.dev);
  29 }
  30
  31 static inline intel_wakeref_t intel_runtime_pm_get(struct xe_runtime_pm *pm)
  32 {
  33         struct xe_device *xe = container_of(pm, struct xe_device, runtime_pm);
  34
  35         return xe_pm_runtime_resume_and_get(xe) ? INTEL_WAKEREF_DEF : NULL;
  36 }
  37
  38 static inline intel_wakeref_t intel_runtime_pm_get_if_in_use(struct xe_runtime_pm *pm)
  39 {
  40         struct xe_device *xe = container_of(pm, struct xe_device, runtime_pm);
  41
  42         return xe_pm_runtime_get_if_in_use(xe) ? INTEL_WAKEREF_DEF : NULL;
  43 }
  44
  45 static inline intel_wakeref_t intel_runtime_pm_get_noresume(struct xe_runtime_pm *pm)
  46 {
  47         struct xe_device *xe = container_of(pm, struct xe_device, runtime_pm);
  48
  49         xe_pm_runtime_get_noresume(xe);
  50
  51         return INTEL_WAKEREF_DEF;
  52 }
  53
  54 static inline void intel_runtime_pm_put_unchecked(struct xe_runtime_pm *pm)
  55 {
  56         struct xe_device *xe = container_of(pm, struct xe_device, runtime_pm);
  57
  58         xe_pm_runtime_put(xe);
  59 }
  60
  61 static inline void intel_runtime_pm_put(struct xe_runtime_pm *pm, intel_wakeref_t wakeref)
  62 {
  63         if (wakeref)
  64                 intel_runtime_pm_put_unchecked(pm);
  65 }
  66
  67 #define intel_runtime_pm_get_raw intel_runtime_pm_get
  68 #define intel_runtime_pm_put_raw intel_runtime_pm_put
  69 #define assert_rpm_wakelock_held(x) do { } while (0)
  70 #define assert_rpm_raw_wakeref_held(x) do { } while (0)
  71
  72 #define with_intel_runtime_pm(rpm, wf) \
  73         for ((wf) = intel_runtime_pm_get(rpm); (wf); \
  74              intel_runtime_pm_put((rpm), (wf)), (wf) = NULL)
  75
  76 #endif