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 | 448 |
1 files changed, 0 insertions, 448 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/stats/stats.c b/drivers/gpu/drm/amd/display/modules/stats/stats.c deleted file mode 100644 index 03121ca64fe4..000000000000 --- a/drivers/gpu/drm/amd/display/modules/stats/stats.c +++ /dev/null @@ -1,448 +0,0 @@ -/* - * 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 0x00000000 -#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 DAL_STATS_EVENT_ENTRIES_DEFAULT 0x00000100 - -#define MOD_STATS_NUM_VSYNCS 5 -#define MOD_STATS_EVENT_STRING_MAX 512 - -struct stats_time_cache { - unsigned int entry_id; - - 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 stats_event_cache { - unsigned int entry_id; - char event_string[MOD_STATS_EVENT_STRING_MAX]; -}; - -struct core_stats { - struct mod_stats public; - struct dc *dc; - - bool enabled; - unsigned int entries; - unsigned int event_entries; - unsigned int entry_id; - - struct stats_time_cache *time; - unsigned int index; - - struct stats_event_cache *events; - unsigned int event_index; - -}; - -#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; - - if (dc == NULL) - goto fail_construct; - - core_stats = kzalloc(sizeof(struct core_stats), GFP_KERNEL); - - if (core_stats == 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; - - if (core_stats->enabled) { - 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 = kcalloc(core_stats->entries, - sizeof(struct stats_time_cache), - GFP_KERNEL); - - if (core_stats->time == NULL) - goto fail_construct_time; - - core_stats->event_entries = DAL_STATS_EVENT_ENTRIES_DEFAULT; - core_stats->events = kcalloc(core_stats->event_entries, - sizeof(struct stats_event_cache), - GFP_KERNEL); - - if (core_stats->events == NULL) - goto fail_construct_events; - - } else { - core_stats->entries = 0; - } - - /* 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; - core_stats->event_index = 0; - - // Keeps track of ordering within the different stats structures - core_stats->entry_id = 0; - - return &core_stats->public; - -fail_construct_events: - kfree(core_stats->time); - -fail_construct_time: - kfree(core_stats); - -fail_construct: - 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); - - kfree(core_stats->time); - kfree(core_stats->events); - 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; - struct stats_event_cache *events = NULL; - unsigned int time_index = 1; - unsigned int event_index = 0; - unsigned int index = 0; - struct log_entry log_entry; - - 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; - events = core_stats->events; - - DISPLAY_STATS_BEGIN(log_entry); - - DISPLAY_STATS("==Display Caps==\n"); - - DISPLAY_STATS("==Display Stats==\n"); - - DISPLAY_STATS("%10s %10s %10s %10s %10s" - " %11s %11s %17s %10s %14s" - " %10s %10s %10s %10s %10s" - " %10s %10s %10s %10s\n", - "render", "avgRender", - "minWindow", "midPoint", "maxWindow", - "vsyncToFlip", "flipToVsync", "vsyncsBetweenFlip", - "numFrame", "insertDuration", - "vTotalMin", "vTotalMax", "eventTrigs", - "vSyncTime1", "vSyncTime2", "vSyncTime3", - "vSyncTime4", "vSyncTime5", "flags"); - - for (int i = 0; i < core_stats->entry_id; i++) { - if (event_index < core_stats->event_index && - i == events[event_index].entry_id) { - DISPLAY_STATS("==Event==%s\n", events[event_index].event_string); - event_index++; - } else if (time_index < core_stats->index && - i == time[time_index].entry_id) { - DISPLAY_STATS("%10u %10u %10u %10u %10u" - " %11u %11u %17u %10u %14u" - " %10u %10u %10u %10u %10u" - " %10u %10u %10u %10u\n", - time[time_index].render_time_in_us, - time[time_index].avg_render_time_in_us_last_ten, - time[time_index].min_window, - time[time_index].lfc_mid_point_in_us, - time[time_index].max_window, - time[time_index].vsync_to_flip_time_in_us, - time[time_index].flip_to_vsync_time_in_us, - time[time_index].num_vsync_between_flips, - time[time_index].num_frames_inserted, - time[time_index].inserted_duration_in_us, - time[time_index].v_total_min, - time[time_index].v_total_max, - time[time_index].event_triggers, - time[time_index].v_sync_time_in_us[0], - time[time_index].v_sync_time_in_us[1], - time[time_index].v_sync_time_in_us[2], - time[time_index].v_sync_time_in_us[3], - time[time_index].v_sync_time_in_us[4], - time[time_index].flags); - - time_index++; - } - } - - DISPLAY_STATS_END(log_entry); -} - -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); - - memset(core_stats->events, 0, - sizeof(struct stats_event_cache) * core_stats->event_entries); - - core_stats->index = 1; - core_stats->event_index = 0; - - // Keeps track of ordering within the different stats structures - core_stats->entry_id = 0; -} - -void mod_stats_update_event(struct mod_stats *mod_stats, - char *event_string, - unsigned int length) -{ - struct core_stats *core_stats = NULL; - struct stats_event_cache *events = NULL; - unsigned int index = 0; - unsigned int copy_length = 0; - - if (mod_stats == NULL) - return; - - core_stats = MOD_STATS_TO_CORE(mod_stats); - - if (core_stats->event_index >= core_stats->event_entries) - return; - - events = core_stats->events; - index = core_stats->event_index; - - copy_length = length; - if (length > MOD_STATS_EVENT_STRING_MAX) - copy_length = MOD_STATS_EVENT_STRING_MAX; - - memcpy(&events[index].event_string, event_string, copy_length); - events[index].event_string[copy_length - 1] = '\0'; - - events[index].entry_id = core_stats->entry_id; - core_stats->event_index++; - core_stats->entry_id++; -} - -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) / 1000; - - 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) / 1000; - else - time[index].vsync_to_flip_time_in_us = - (timestamp_in_ns - - time[index - 1].vupdate_timestamp_in_ns) / 1000; - - time[index].entry_id = core_stats->entry_id; - core_stats->index++; - core_stats->entry_id++; -} - -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; - unsigned int num_vsyncs = 0; - unsigned int prev_vsync_in_ns = 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; - num_vsyncs = time[index].num_vsync_between_flips; - - if (num_vsyncs < MOD_STATS_NUM_VSYNCS) { - if (num_vsyncs == 0) { - prev_vsync_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) / - 1000; - } else { - prev_vsync_in_ns = - time[index].vupdate_timestamp_in_ns; - } - - time[index].v_sync_time_in_us[num_vsyncs] = - (timestamp_in_ns - prev_vsync_in_ns) / 1000; - } - - time[index].vupdate_timestamp_in_ns = 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; -} - |