diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/stats/stats.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/stats/stats.c | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/stats/stats.c b/drivers/gpu/drm/amd/display/modules/stats/stats.c new file mode 100644 index 000000000000..041f87b73d5f --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/stats/stats.c @@ -0,0 +1,334 @@ +/* + * Copyright 2016 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 "mod_stats.h" +#include "dm_services.h" +#include "dc.h" +#include "core_types.h" + +#define DAL_STATS_ENABLE_REGKEY "DalStatsEnable" +#define DAL_STATS_ENABLE_REGKEY_DEFAULT 0x00000001 +#define DAL_STATS_ENABLE_REGKEY_ENABLED 0x00000001 + +#define DAL_STATS_ENTRIES_REGKEY "DalStatsEntries" +#define DAL_STATS_ENTRIES_REGKEY_DEFAULT 0x00350000 +#define DAL_STATS_ENTRIES_REGKEY_MAX 0x01000000 + +#define MOD_STATS_NUM_VSYNCS 5 + +struct stats_time_cache { + unsigned long flip_timestamp_in_ns; + unsigned long vupdate_timestamp_in_ns; + + unsigned int render_time_in_us; + unsigned int avg_render_time_in_us_last_ten; + unsigned int v_sync_time_in_us[MOD_STATS_NUM_VSYNCS]; + unsigned int num_vsync_between_flips; + + unsigned int flip_to_vsync_time_in_us; + unsigned int vsync_to_flip_time_in_us; + + unsigned int min_window; + unsigned int max_window; + unsigned int v_total_min; + unsigned int v_total_max; + unsigned int event_triggers; + + unsigned int lfc_mid_point_in_us; + unsigned int num_frames_inserted; + unsigned int inserted_duration_in_us; + + unsigned int flags; +}; + +struct core_stats { + struct mod_stats public; + struct dc *dc; + + struct stats_time_cache *time; + unsigned int index; + + bool enabled; + unsigned int entries; +}; + +#define MOD_STATS_TO_CORE(mod_stats)\ + container_of(mod_stats, struct core_stats, public) + +bool mod_stats_init(struct mod_stats *mod_stats) +{ + bool result = false; + struct core_stats *core_stats = NULL; + struct dc *dc = NULL; + + if (mod_stats == NULL) + return false; + + core_stats = MOD_STATS_TO_CORE(mod_stats); + dc = core_stats->dc; + + return result; +} + +struct mod_stats *mod_stats_create(struct dc *dc) +{ + struct core_stats *core_stats = NULL; + struct persistent_data_flag flag; + unsigned int reg_data; + int i = 0; + + core_stats = kzalloc(sizeof(struct core_stats), GFP_KERNEL); + + if (core_stats == NULL) + goto fail_alloc_context; + + if (dc == NULL) + goto fail_construct; + + core_stats->dc = dc; + + core_stats->enabled = DAL_STATS_ENABLE_REGKEY_DEFAULT; + if (dm_read_persistent_data(dc->ctx, NULL, NULL, + DAL_STATS_ENABLE_REGKEY, + ®_data, sizeof(unsigned int), &flag)) + core_stats->enabled = reg_data; + + core_stats->entries = DAL_STATS_ENTRIES_REGKEY_DEFAULT; + if (dm_read_persistent_data(dc->ctx, NULL, NULL, + DAL_STATS_ENTRIES_REGKEY, + ®_data, sizeof(unsigned int), &flag)) { + if (reg_data > DAL_STATS_ENTRIES_REGKEY_MAX) + core_stats->entries = DAL_STATS_ENTRIES_REGKEY_MAX; + else + core_stats->entries = reg_data; + } + + core_stats->time = kzalloc(sizeof(struct stats_time_cache) * core_stats->entries, + GFP_KERNEL); + + if (core_stats->time == NULL) + goto fail_construct; + + /* Purposely leave index 0 unused so we don't need special logic to + * handle calculation cases that depend on previous flip data. + */ + core_stats->index = 1; + + return &core_stats->public; + +fail_construct: + kfree(core_stats); + +fail_alloc_context: + return NULL; +} + +void mod_stats_destroy(struct mod_stats *mod_stats) +{ + if (mod_stats != NULL) { + struct core_stats *core_stats = MOD_STATS_TO_CORE(mod_stats); + + if (core_stats->time != NULL) + kfree(core_stats->time); + + kfree(core_stats); + } +} + +void mod_stats_dump(struct mod_stats *mod_stats) +{ + struct dc *dc = NULL; + struct dal_logger *logger = NULL; + struct core_stats *core_stats = NULL; + struct stats_time_cache *time = NULL; + unsigned int index = 0; + + if (mod_stats == NULL) + return; + + core_stats = MOD_STATS_TO_CORE(mod_stats); + dc = core_stats->dc; + logger = dc->ctx->logger; + time = core_stats->time; + + //LogEntry* pLog = GetLog()->Open(LogMajor_ISR, LogMinor_ISR_FreeSyncSW); + + //if (!pLog->IsDummyEntry()) + { + dm_logger_write(logger, LOG_PROFILING, "==Display Caps==\n"); + dm_logger_write(logger, LOG_PROFILING, "\n"); + dm_logger_write(logger, LOG_PROFILING, "\n"); + + dm_logger_write(logger, LOG_PROFILING, "==Stats==\n"); + dm_logger_write(logger, LOG_PROFILING, + "render avgRender minWindow midPoint maxWindow vsyncToFlip flipToVsync #vsyncBetweenFlip #frame insertDuration vTotalMin vTotalMax eventTrigs vSyncTime1 vSyncTime2 vSyncTime3 vSyncTime4 vSyncTime5 flags\n"); + + for (int i = 0; i < core_stats->index && i < core_stats->entries; i++) { + dm_logger_write(logger, LOG_PROFILING, + "%u %u %u %u %u %u %u %u %u %u %u %u %u %u %u %u %u %u %u\n", + time[i].render_time_in_us, + time[i].avg_render_time_in_us_last_ten, + time[i].min_window, + time[i].lfc_mid_point_in_us, + time[i].max_window, + time[i].vsync_to_flip_time_in_us, + time[i].flip_to_vsync_time_in_us, + time[i].num_vsync_between_flips, + time[i].num_frames_inserted, + time[i].inserted_duration_in_us, + time[i].v_total_min, + time[i].v_total_max, + time[i].event_triggers, + time[i].v_sync_time_in_us[0], + time[i].v_sync_time_in_us[1], + time[i].v_sync_time_in_us[2], + time[i].v_sync_time_in_us[3], + time[i].v_sync_time_in_us[4], + time[i].flags); + } + } + //GetLog()->Close(pLog); + //GetLog()->UnSetLogMask(LogMajor_ISR, LogMinor_ISR_FreeSyncSW); +} + +void mod_stats_reset_data(struct mod_stats *mod_stats) +{ + struct core_stats *core_stats = NULL; + struct stats_time_cache *time = NULL; + unsigned int index = 0; + + if (mod_stats == NULL) + return; + + core_stats = MOD_STATS_TO_CORE(mod_stats); + + memset(core_stats->time, 0, + sizeof(struct stats_time_cache) * core_stats->entries); + + core_stats->index = 0; +} + +void mod_stats_update_flip(struct mod_stats *mod_stats, + unsigned long timestamp_in_ns) +{ + struct core_stats *core_stats = NULL; + struct stats_time_cache *time = NULL; + unsigned int index = 0; + + if (mod_stats == NULL) + return; + + core_stats = MOD_STATS_TO_CORE(mod_stats); + + if (core_stats->index >= core_stats->entries) + return; + + time = core_stats->time; + index = core_stats->index; + + time[index].flip_timestamp_in_ns = timestamp_in_ns; + time[index].render_time_in_us = + timestamp_in_ns - time[index - 1].flip_timestamp_in_ns; + + if (index >= 10) { + for (unsigned int i = 0; i < 10; i++) + time[index].avg_render_time_in_us_last_ten += + time[index - i].render_time_in_us; + time[index].avg_render_time_in_us_last_ten /= 10; + } + + if (time[index].num_vsync_between_flips > 0) + time[index].vsync_to_flip_time_in_us = + timestamp_in_ns - time[index].vupdate_timestamp_in_ns; + else + time[index].vsync_to_flip_time_in_us = + timestamp_in_ns - time[index - 1].vupdate_timestamp_in_ns; + + core_stats->index++; +} + +void mod_stats_update_vupdate(struct mod_stats *mod_stats, + unsigned long timestamp_in_ns) +{ + struct core_stats *core_stats = NULL; + struct stats_time_cache *time = NULL; + unsigned int index = 0; + + if (mod_stats == NULL) + return; + + core_stats = MOD_STATS_TO_CORE(mod_stats); + + if (core_stats->index >= core_stats->entries) + return; + + time = core_stats->time; + index = core_stats->index; + + time[index].vupdate_timestamp_in_ns = timestamp_in_ns; + if (time[index].num_vsync_between_flips < MOD_STATS_NUM_VSYNCS) + time[index].v_sync_time_in_us[time[index].num_vsync_between_flips] = + timestamp_in_ns - time[index - 1].vupdate_timestamp_in_ns; + time[index].flip_to_vsync_time_in_us = + timestamp_in_ns - time[index - 1].flip_timestamp_in_ns; + + time[index].num_vsync_between_flips++; +} + +void mod_stats_update_freesync(struct mod_stats *mod_stats, + unsigned int v_total_min, + unsigned int v_total_max, + unsigned int event_triggers, + unsigned int window_min, + unsigned int window_max, + unsigned int lfc_mid_point_in_us, + unsigned int inserted_frames, + unsigned int inserted_duration_in_us) +{ + struct core_stats *core_stats = NULL; + struct stats_time_cache *time = NULL; + unsigned int index = 0; + + if (mod_stats == NULL) + return; + + core_stats = MOD_STATS_TO_CORE(mod_stats); + + if (core_stats->index >= core_stats->entries) + return; + + time = core_stats->time; + index = core_stats->index; + + time[index].v_total_min = v_total_min; + time[index].v_total_max = v_total_max; + time[index].event_triggers = event_triggers; + time[index].min_window = window_min; + time[index].max_window = window_max; + time[index].lfc_mid_point_in_us = lfc_mid_point_in_us; + time[index].num_frames_inserted = inserted_frames; + time[index].inserted_duration_in_us = inserted_duration_in_us; +} + |