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