1 /* 2 * Copyright 2022 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 #include "link_dp_trace.h" 26 #include "link/protocols/link_dpcd.h" 27 #include "link.h" 28 29 void dp_trace_init(struct dc_link *link) 30 { 31 memset(&link->dp_trace, 0, sizeof(link->dp_trace)); 32 link->dp_trace.is_initialized = true; 33 } 34 35 void dp_trace_reset(struct dc_link *link) 36 { 37 memset(&link->dp_trace, 0, sizeof(link->dp_trace)); 38 } 39 40 bool dc_dp_trace_is_initialized(struct dc_link *link) 41 { 42 return link->dp_trace.is_initialized; 43 } 44 45 void dp_trace_detect_lt_init(struct dc_link *link) 46 { 47 memset(&link->dp_trace.detect_lt_trace, 0, sizeof(link->dp_trace.detect_lt_trace)); 48 } 49 50 void dp_trace_commit_lt_init(struct dc_link *link) 51 { 52 memset(&link->dp_trace.commit_lt_trace, 0, sizeof(link->dp_trace.commit_lt_trace)); 53 } 54 55 void dp_trace_link_loss_increment(struct dc_link *link) 56 { 57 link->dp_trace.link_loss_count++; 58 } 59 60 void dp_trace_lt_fail_count_update(struct dc_link *link, 61 unsigned int fail_count, 62 bool in_detection) 63 { 64 if (in_detection) 65 link->dp_trace.detect_lt_trace.counts.fail = fail_count; 66 else 67 link->dp_trace.commit_lt_trace.counts.fail = fail_count; 68 } 69 70 void dp_trace_lt_total_count_increment(struct dc_link *link, 71 bool in_detection) 72 { 73 if (in_detection) 74 link->dp_trace.detect_lt_trace.counts.total++; 75 else 76 link->dp_trace.commit_lt_trace.counts.total++; 77 } 78 79 void dc_dp_trace_set_is_logged_flag(struct dc_link *link, 80 bool in_detection, 81 bool is_logged) 82 { 83 if (in_detection) 84 link->dp_trace.detect_lt_trace.is_logged = is_logged; 85 else 86 link->dp_trace.commit_lt_trace.is_logged = is_logged; 87 } 88 89 bool dc_dp_trace_is_logged(struct dc_link *link, 90 bool in_detection) 91 { 92 if (in_detection) 93 return link->dp_trace.detect_lt_trace.is_logged; 94 else 95 return link->dp_trace.commit_lt_trace.is_logged; 96 } 97 98 void dp_trace_lt_result_update(struct dc_link *link, 99 enum link_training_result result, 100 bool in_detection) 101 { 102 if (in_detection) 103 link->dp_trace.detect_lt_trace.result = result; 104 else 105 link->dp_trace.commit_lt_trace.result = result; 106 } 107 108 void dp_trace_set_lt_start_timestamp(struct dc_link *link, 109 bool in_detection) 110 { 111 if (in_detection) 112 link->dp_trace.detect_lt_trace.timestamps.start = dm_get_timestamp(link->dc->ctx); 113 else 114 link->dp_trace.commit_lt_trace.timestamps.start = dm_get_timestamp(link->dc->ctx); 115 } 116 117 void dp_trace_set_lt_end_timestamp(struct dc_link *link, 118 bool in_detection) 119 { 120 if (in_detection) 121 link->dp_trace.detect_lt_trace.timestamps.end = dm_get_timestamp(link->dc->ctx); 122 else 123 link->dp_trace.commit_lt_trace.timestamps.end = dm_get_timestamp(link->dc->ctx); 124 } 125 126 unsigned long long dc_dp_trace_get_lt_end_timestamp(struct dc_link *link, 127 bool in_detection) 128 { 129 if (in_detection) 130 return link->dp_trace.detect_lt_trace.timestamps.end; 131 else 132 return link->dp_trace.commit_lt_trace.timestamps.end; 133 } 134 135 struct dp_trace_lt_counts *dc_dp_trace_get_lt_counts(struct dc_link *link, 136 bool in_detection) 137 { 138 if (in_detection) 139 return &link->dp_trace.detect_lt_trace.counts; 140 else 141 return &link->dp_trace.commit_lt_trace.counts; 142 } 143 144 unsigned int dc_dp_trace_get_link_loss_count(struct dc_link *link) 145 { 146 return link->dp_trace.link_loss_count; 147 } 148 149 void link_dp_trace_set_edp_power_timestamp(struct dc_link *link, 150 bool power_up) 151 { 152 if (!power_up) 153 /*save driver power off time stamp*/ 154 link->dp_trace.edp_trace_power_timestamps.poweroff = dm_get_timestamp(link->dc->ctx); 155 else 156 link->dp_trace.edp_trace_power_timestamps.poweron = dm_get_timestamp(link->dc->ctx); 157 } 158 159 uint64_t link_dp_trace_get_edp_poweron_timestamp(struct dc_link *link) 160 { 161 return link->dp_trace.edp_trace_power_timestamps.poweron; 162 } 163 164 uint64_t link_dp_trace_get_edp_poweroff_timestamp(struct dc_link *link) 165 { 166 return link->dp_trace.edp_trace_power_timestamps.poweroff; 167 } 168 169 void link_dp_source_sequence_trace(struct dc_link *link, uint8_t dp_test_mode) 170 { 171 if (link != NULL && link->dc->debug.enable_driver_sequence_debug) 172 core_link_write_dpcd(link, DP_SOURCE_SEQUENCE, 173 &dp_test_mode, sizeof(dp_test_mode)); 174 } 175