4e18ca703f
On systems that have no runtime-pm, we mark the wakeref as being -1. We therefore cannot use that value for the mock-gt indicator, so opt for -ENODEV instead. The wakeref should never be an error value -- one hopes! Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Andi Shyti <andi.shyti@intel.com> Reviewed-by: Andi Shyti <andi.shyti@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190927211749.2181-2-chris@chris-wilson.co.uk
64 lines
1.3 KiB
C
64 lines
1.3 KiB
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_GT_PM_H
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#define INTEL_GT_PM_H
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#include <linux/types.h>
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#include "intel_gt_types.h"
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#include "intel_wakeref.h"
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enum {
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INTEL_GT_UNPARK,
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INTEL_GT_PARK,
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};
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static inline bool intel_gt_pm_is_awake(const struct intel_gt *gt)
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{
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return intel_wakeref_is_active(>->wakeref);
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}
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static inline void intel_gt_pm_get(struct intel_gt *gt)
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{
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intel_wakeref_get(>->wakeref);
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}
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static inline bool intel_gt_pm_get_if_awake(struct intel_gt *gt)
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{
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return intel_wakeref_get_if_active(>->wakeref);
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}
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static inline void intel_gt_pm_put(struct intel_gt *gt)
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{
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intel_wakeref_put(>->wakeref);
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}
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static inline int intel_gt_pm_wait_for_idle(struct intel_gt *gt)
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{
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return intel_wakeref_wait_for_idle(>->wakeref);
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}
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void intel_gt_pm_init_early(struct intel_gt *gt);
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void intel_gt_pm_init(struct intel_gt *gt);
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void intel_gt_pm_disable(struct intel_gt *gt);
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void intel_gt_pm_fini(struct intel_gt *gt);
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void intel_gt_sanitize(struct intel_gt *gt, bool force);
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int intel_gt_resume(struct intel_gt *gt);
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void intel_gt_suspend(struct intel_gt *gt);
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void intel_gt_runtime_suspend(struct intel_gt *gt);
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int intel_gt_runtime_resume(struct intel_gt *gt);
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static inline bool is_mock_gt(const struct intel_gt *gt)
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{
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return I915_SELFTEST_ONLY(gt->awake == -ENODEV);
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}
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#endif /* INTEL_GT_PM_H */
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