diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt_clock_utils.h')
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt_clock_utils.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.h b/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.h new file mode 100644 index 0000000000..8b03e97a85 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2020 Intel Corporation + */ + +#ifndef __INTEL_GT_CLOCK_UTILS_H__ +#define __INTEL_GT_CLOCK_UTILS_H__ + +#include <linux/types.h> + +struct intel_gt; + +void intel_gt_init_clock_frequency(struct intel_gt *gt); + +#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM) +void intel_gt_check_clock_frequency(const struct intel_gt *gt); +#else +static inline void intel_gt_check_clock_frequency(const struct intel_gt *gt) {} +#endif + +u64 intel_gt_clock_interval_to_ns(const struct intel_gt *gt, u64 count); +u64 intel_gt_pm_interval_to_ns(const struct intel_gt *gt, u64 count); + +u64 intel_gt_ns_to_clock_interval(const struct intel_gt *gt, u64 ns); +u64 intel_gt_ns_to_pm_interval(const struct intel_gt *gt, u64 ns); + +#endif /* __INTEL_GT_CLOCK_UTILS_H__ */ |