drm/i915/selftests: Confirm CS_TIMESTAMP / CTX_TIMESTAMP share a clock
[linux-2.6-block.git] / drivers / gpu / drm / i915 / gt / intel_gt_clock_utils.h
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1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright © 2020 Intel Corporation
4 */
5
6#ifndef __INTEL_GT_CLOCK_UTILS_H__
7#define __INTEL_GT_CLOCK_UTILS_H__
8
9#include <linux/types.h>
10
11struct intel_gt;
12
13void intel_gt_init_clock_frequency(struct intel_gt *gt);
14
15#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)
16void intel_gt_check_clock_frequency(const struct intel_gt *gt);
17#else
18static inline void intel_gt_check_clock_frequency(const struct intel_gt *gt) {}
19#endif
20
21u32 intel_gt_clock_interval_to_ns(const struct intel_gt *gt, u32 count);
22u32 intel_gt_pm_interval_to_ns(const struct intel_gt *gt, u32 count);
23
24u32 intel_gt_ns_to_clock_interval(const struct intel_gt *gt, u32 ns);
25u32 intel_gt_ns_to_pm_interval(const struct intel_gt *gt, u32 ns);
26
27#endif /* __INTEL_GT_CLOCK_UTILS_H__ */