Line data    Source code

       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           0 :         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           0 :         return current_time_stamp - last_time_stamp;
      44             : }
      45             : 
      46           0 : void dm_perf_trace_timestamp(const char *func_name, unsigned int line, struct dc_context *ctx)
      47             : {
      48           0 :         trace_amdgpu_dc_performance(ctx->perf_trace->read_count,
      49             :                                     ctx->perf_trace->write_count,
      50             :                                     &ctx->perf_trace->last_entry_read,
      51           0 :                                     &ctx->perf_trace->last_entry_write,
      52             :                                     func_name, line);
      53           0 : }
      54             : 
      55             : /**** power component interfaces ****/