mirror of https://gitee.com/openkylin/linux.git
64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2019 Intel Corporation
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*/
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#ifndef __INTEL_RUNTIME_PM_H__
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#define __INTEL_RUNTIME_PM_H__
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#include <linux/types.h>
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#include "intel_display.h"
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#include "intel_wakeref.h"
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struct drm_i915_private;
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struct drm_printer;
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enum i915_drm_suspend_mode {
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I915_DRM_SUSPEND_IDLE,
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I915_DRM_SUSPEND_MEM,
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I915_DRM_SUSPEND_HIBERNATE,
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};
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void intel_runtime_pm_init_early(struct drm_i915_private *dev_priv);
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void intel_runtime_pm_enable(struct drm_i915_private *dev_priv);
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void intel_runtime_pm_disable(struct drm_i915_private *dev_priv);
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void intel_runtime_pm_cleanup(struct drm_i915_private *dev_priv);
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intel_wakeref_t intel_runtime_pm_get(struct drm_i915_private *i915);
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intel_wakeref_t intel_runtime_pm_get_if_in_use(struct drm_i915_private *i915);
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intel_wakeref_t intel_runtime_pm_get_noresume(struct drm_i915_private *i915);
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intel_wakeref_t intel_runtime_pm_get_raw(struct drm_i915_private *i915);
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#define with_intel_runtime_pm(i915, wf) \
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for ((wf) = intel_runtime_pm_get(i915); (wf); \
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intel_runtime_pm_put((i915), (wf)), (wf) = 0)
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#define with_intel_runtime_pm_if_in_use(i915, wf) \
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for ((wf) = intel_runtime_pm_get_if_in_use(i915); (wf); \
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intel_runtime_pm_put((i915), (wf)), (wf) = 0)
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void intel_runtime_pm_put_unchecked(struct drm_i915_private *i915);
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#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)
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void intel_runtime_pm_put(struct drm_i915_private *i915, intel_wakeref_t wref);
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#else
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static inline void
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intel_runtime_pm_put(struct drm_i915_private *i915, intel_wakeref_t wref)
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{
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intel_runtime_pm_put_unchecked(i915);
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}
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#endif
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void intel_runtime_pm_put_raw(struct drm_i915_private *i915, intel_wakeref_t wref);
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#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)
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void print_intel_runtime_pm_wakeref(struct drm_i915_private *i915,
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struct drm_printer *p);
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#else
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static inline void print_intel_runtime_pm_wakeref(struct drm_i915_private *i915,
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struct drm_printer *p)
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{
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}
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#endif
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#endif /* __INTEL_RUNTIME_PM_H__ */
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