b1fa6fd94f
For use in the next patch, we want to acquire a wakeref without having to wake the device up -- i.e. only acquire the engine wakeref if the engine is already active. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190626154549.10066-1-chris@chris-wilson.co.uk (cherry picked from commit de5147b8ce6d51f634661d7c531385371485cec6) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
29 lines
627 B
C
29 lines
627 B
C
/*
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* 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_ENGINE_PM_H
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#define INTEL_ENGINE_PM_H
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#include "intel_engine_types.h"
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#include "intel_wakeref.h"
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struct drm_i915_private;
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void intel_engine_pm_get(struct intel_engine_cs *engine);
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void intel_engine_pm_put(struct intel_engine_cs *engine);
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static inline bool
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intel_engine_pm_get_if_awake(struct intel_engine_cs *engine)
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{
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return intel_wakeref_get_if_active(&engine->wakeref);
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}
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void intel_engine_park(struct intel_engine_cs *engine);
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void intel_engine_init__pm(struct intel_engine_cs *engine);
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#endif /* INTEL_ENGINE_PM_H */
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