//SPDX-License-Identifier: MIT/* * Copyright 2015 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: AMD * */ #include <linux/string.h>#include <linux/acpi.h> #include <drm/drm_probe_helper.h>#include <drm/amdgpu_drm.h>#include "dm_services.h"#include "amdgpu.h"#include "amdgpu_dm.h"#include "amdgpu_dm_irq.h"#include "amdgpu_pm.h"#include "amdgpu_dm_trace.h" 	unsigned long long	dm_get_elapse_time_in_ns(struct dc_context *ctx,				 unsigned long long current_time_stamp,				 unsigned long long last_time_stamp){	return current_time_stamp - last_time_stamp;} void dm_perf_trace_timestamp(const char *func_name, unsigned int line, struct dc_context *ctx){	trace_amdgpu_dc_performance(ctx->perf_trace->read_count,				    ctx->perf_trace->write_count,				    &ctx->perf_trace->last_entry_read,				    &ctx->perf_trace->last_entry_write,				    func_name, line);} void dm_trace_smu_enter(uint32_t msg_id, uint32_t param_in, unsigned int delay, struct dc_context *ctx){} void dm_trace_smu_exit(bool success, uint32_t response, struct dc_context *ctx){} /**** power component interfaces ****/