| 1 | //SPDX-License-Identifier: MIT |
| 2 | /* |
| 3 | * Copyright 2015 Advanced Micro Devices, Inc. |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 6 | * copy of this software and associated documentation files (the "Software"), |
| 7 | * to deal in the Software without restriction, including without limitation |
| 8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 9 | * and/or sell copies of the Software, and to permit persons to whom the |
| 10 | * Software is furnished to do so, subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice and this permission notice shall be included in |
| 13 | * all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 21 | * OTHER DEALINGS IN THE SOFTWARE. |
| 22 | * |
| 23 | * Authors: AMD |
| 24 | * |
| 25 | */ |
| 26 | |
| 27 | #include <linux/string.h> |
| 28 | #include <linux/acpi.h> |
| 29 | |
| 30 | #include <drm/drm_probe_helper.h> |
| 31 | #include <drm/amdgpu_drm.h> |
| 32 | #include "dm_services.h" |
| 33 | #include "amdgpu.h" |
| 34 | #include "amdgpu_dm.h" |
| 35 | #include "amdgpu_dm_irq.h" |
| 36 | #include "amdgpu_pm.h" |
| 37 | #include "amdgpu_dm_trace.h" |
| 38 | |
| 39 | unsigned long long |
| 40 | dm_get_elapse_time_in_ns(struct dc_context *ctx, |
| 41 | unsigned long long current_time_stamp, |
| 42 | unsigned long long last_time_stamp) |
| 43 | { |
| 44 | return current_time_stamp - last_time_stamp; |
| 45 | } |
| 46 | |
| 47 | void dm_perf_trace_timestamp(const char *func_name, unsigned int line, struct dc_context *ctx) |
| 48 | { |
| 49 | trace_amdgpu_dc_performance(read_count: ctx->perf_trace->read_count, |
| 50 | write_count: ctx->perf_trace->write_count, |
| 51 | last_read: &ctx->perf_trace->last_entry_read, |
| 52 | last_write: &ctx->perf_trace->last_entry_write, |
| 53 | func: func_name, line); |
| 54 | } |
| 55 | |
| 56 | void dm_trace_smu_enter(uint32_t msg_id, uint32_t param_in, unsigned int delay, struct dc_context *ctx) |
| 57 | { |
| 58 | } |
| 59 | |
| 60 | void dm_trace_smu_exit(bool success, uint32_t response, struct dc_context *ctx) |
| 61 | { |
| 62 | } |
| 63 | |
| 64 | /**** power component interfaces ****/ |
| 65 | |