projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 4562236b HW |
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/drmP.h> | |
| fcd70cd3 | 30 | #include <drm/drm_probe_helper.h> |
| 4562236b HW |
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" | |
| 4562236b | 36 | #include "amdgpu_pm.h" |
| 92276a06 ML |
37 | |
| 38 | ||
| 4562236b | 39 | |
| 78d5d04d CL |
40 | unsigned long long 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 | ||
| dce46c53 TC |
47 | void dm_perf_trace_timestamp(const char *func_name, unsigned int line) |
| 48 | { | |
| 49 | } | |
| 50 | ||
| 4562236b HW |
51 | bool dm_write_persistent_data(struct dc_context *ctx, |
| 52 | const struct dc_sink *sink, | |
| 53 | const char *module_name, | |
| 54 | const char *key_name, | |
| 55 | void *params, | |
| 56 | unsigned int size, | |
| 57 | struct persistent_data_flag *flag) | |
| 58 | { | |
| 59 | /*TODO implement*/ | |
| 60 | return false; | |
| 61 | } | |
| 62 | ||
| 63 | bool dm_read_persistent_data(struct dc_context *ctx, | |
| 64 | const struct dc_sink *sink, | |
| 65 | const char *module_name, | |
| 66 | const char *key_name, | |
| 67 | void *params, | |
| 68 | unsigned int size, | |
| 69 | struct persistent_data_flag *flag) | |
| 70 | { | |
| 71 | /*TODO implement*/ | |
| 72 | return false; | |
| 73 | } | |
| 74 | ||
| 4562236b HW |
75 | /**** power component interfaces ****/ |
| 76 |