9c878557b1
For many configuration details within RC6 and RPS we are programming intervals for the internal clocks. From gen11, these clocks are configuration via the RPM_CONFIG and so for convenience, we would like to convert to/from more natural units (ns). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Andi Shyti <andi.shyti@intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by: Andi Shyti <andi.shyti@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200424162805.25920-2-chris@chris-wilson.co.uk
28 lines
777 B
C
28 lines
777 B
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2020 Intel Corporation
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*/
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#ifndef __INTEL_GT_CLOCK_UTILS_H__
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#define __INTEL_GT_CLOCK_UTILS_H__
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#include <linux/types.h>
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struct intel_gt;
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void intel_gt_init_clock_frequency(struct intel_gt *gt);
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#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)
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void intel_gt_check_clock_frequency(const struct intel_gt *gt);
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#else
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static inline void intel_gt_check_clock_frequency(const struct intel_gt *gt) {}
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#endif
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u32 intel_gt_clock_interval_to_ns(const struct intel_gt *gt, u32 count);
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u32 intel_gt_pm_interval_to_ns(const struct intel_gt *gt, u32 count);
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u32 intel_gt_ns_to_clock_interval(const struct intel_gt *gt, u32 ns);
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u32 intel_gt_ns_to_pm_interval(const struct intel_gt *gt, u32 ns);
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#endif /* __INTEL_GT_CLOCK_UTILS_H__ */
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