diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/link_dp_trace.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/link_dp_trace.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dp_trace.c b/drivers/gpu/drm/amd/display/dc/link/link_dp_trace.c new file mode 100644 index 000000000000..2c1a3bfcdb50 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/link/link_dp_trace.c @@ -0,0 +1,166 @@ +/* + * Copyright 2022 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ +#include "dc_link.h" +#include "link_dp_trace.h" + +void dp_trace_init(struct dc_link *link) +{ + memset(&link->dp_trace, 0, sizeof(link->dp_trace)); + link->dp_trace.is_initialized = true; +} + +void dp_trace_reset(struct dc_link *link) +{ + memset(&link->dp_trace, 0, sizeof(link->dp_trace)); +} + +bool dc_dp_trace_is_initialized(struct dc_link *link) +{ + return link->dp_trace.is_initialized; +} + +void dp_trace_detect_lt_init(struct dc_link *link) +{ + memset(&link->dp_trace.detect_lt_trace, 0, sizeof(link->dp_trace.detect_lt_trace)); +} + +void dp_trace_commit_lt_init(struct dc_link *link) +{ + memset(&link->dp_trace.commit_lt_trace, 0, sizeof(link->dp_trace.commit_lt_trace)); +} + +void dp_trace_link_loss_increment(struct dc_link *link) +{ + link->dp_trace.link_loss_count++; +} + +void dp_trace_lt_fail_count_update(struct dc_link *link, + unsigned int fail_count, + bool in_detection) +{ + if (in_detection) + link->dp_trace.detect_lt_trace.counts.fail = fail_count; + else + link->dp_trace.commit_lt_trace.counts.fail = fail_count; +} + +void dp_trace_lt_total_count_increment(struct dc_link *link, + bool in_detection) +{ + if (in_detection) + link->dp_trace.detect_lt_trace.counts.total++; + else + link->dp_trace.commit_lt_trace.counts.total++; +} + +void dc_dp_trace_set_is_logged_flag(struct dc_link *link, + bool in_detection, + bool is_logged) +{ + if (in_detection) + link->dp_trace.detect_lt_trace.is_logged = is_logged; + else + link->dp_trace.commit_lt_trace.is_logged = is_logged; +} + +bool dc_dp_trace_is_logged(struct dc_link *link, + bool in_detection) +{ + if (in_detection) + return link->dp_trace.detect_lt_trace.is_logged; + else + return link->dp_trace.commit_lt_trace.is_logged; +} + +void dp_trace_lt_result_update(struct dc_link *link, + enum link_training_result result, + bool in_detection) +{ + if (in_detection) + link->dp_trace.detect_lt_trace.result = result; + else + link->dp_trace.commit_lt_trace.result = result; +} + +void dp_trace_set_lt_start_timestamp(struct dc_link *link, + bool in_detection) +{ + if (in_detection) + link->dp_trace.detect_lt_trace.timestamps.start = dm_get_timestamp(link->dc->ctx); + else + link->dp_trace.commit_lt_trace.timestamps.start = dm_get_timestamp(link->dc->ctx); +} + +void dp_trace_set_lt_end_timestamp(struct dc_link *link, + bool in_detection) +{ + if (in_detection) + link->dp_trace.detect_lt_trace.timestamps.end = dm_get_timestamp(link->dc->ctx); + else + link->dp_trace.commit_lt_trace.timestamps.end = dm_get_timestamp(link->dc->ctx); +} + +unsigned long long dc_dp_trace_get_lt_end_timestamp(struct dc_link *link, + bool in_detection) +{ + if (in_detection) + return link->dp_trace.detect_lt_trace.timestamps.end; + else + return link->dp_trace.commit_lt_trace.timestamps.end; +} + +struct dp_trace_lt_counts *dc_dp_trace_get_lt_counts(struct dc_link *link, + bool in_detection) +{ + if (in_detection) + return &link->dp_trace.detect_lt_trace.counts; + else + return &link->dp_trace.commit_lt_trace.counts; +} + +unsigned int dc_dp_trace_get_link_loss_count(struct dc_link *link) +{ + return link->dp_trace.link_loss_count; +} + +void dp_trace_set_edp_power_timestamp(struct dc_link *link, + bool power_up) +{ + if (!power_up) + /*save driver power off time stamp*/ + link->dp_trace.edp_trace_power_timestamps.poweroff = dm_get_timestamp(link->dc->ctx); + else + link->dp_trace.edp_trace_power_timestamps.poweron = dm_get_timestamp(link->dc->ctx); +} + +uint64_t dp_trace_get_edp_poweron_timestamp(struct dc_link *link) +{ + return link->dp_trace.edp_trace_power_timestamps.poweron; +} + +uint64_t dp_trace_get_edp_poweroff_timestamp(struct dc_link *link) +{ + return link->dp_trace.edp_trace_power_timestamps.poweroff; +}
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