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3dc716fd3c
We do not require to register the sysctl paths per instance,
so making registration global.
v2: make sysctl path register and unregister function driver
specific (Tvrtko and Lucas).
Cc: Sudeep Dutt <sudeep.dutt@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Venkata Sandeep Dhanalakota <venkata.s.dhanalakota@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191213155152.69182-1-venkata.s.dhanalakota@intel.com
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/* 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 __I915_PERF_H__
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#define __I915_PERF_H__
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#include <linux/kref.h>
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#include <linux/types.h>
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#include "i915_perf_types.h"
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struct drm_device;
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struct drm_file;
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struct drm_i915_private;
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struct i915_oa_config;
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struct intel_context;
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struct intel_engine_cs;
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void i915_perf_init(struct drm_i915_private *i915);
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void i915_perf_fini(struct drm_i915_private *i915);
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void i915_perf_register(struct drm_i915_private *i915);
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void i915_perf_unregister(struct drm_i915_private *i915);
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int i915_perf_ioctl_version(void);
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void i915_perf_sysctl_register(void);
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void i915_perf_sysctl_unregister(void);
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int i915_perf_open_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file);
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int i915_perf_add_config_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file);
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int i915_perf_remove_config_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file);
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void i915_oa_init_reg_state(const struct intel_context *ce,
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const struct intel_engine_cs *engine);
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struct i915_oa_config *
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i915_perf_get_oa_config(struct i915_perf *perf, int metrics_set);
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static inline struct i915_oa_config *
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i915_oa_config_get(struct i915_oa_config *oa_config)
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{
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if (kref_get_unless_zero(&oa_config->ref))
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return oa_config;
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else
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return NULL;
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}
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void i915_oa_config_release(struct kref *ref);
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static inline void i915_oa_config_put(struct i915_oa_config *oa_config)
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{
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if (!oa_config)
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return;
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kref_put(&oa_config->ref, i915_oa_config_release);
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}
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#endif /* __I915_PERF_H__ */
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