1 files changed, 147 insertions, 48 deletions

diff --git a/drivers/gpu/drm/amd/display/modules/stats/stats.c b/drivers/gpu/drm/amd/display/modules/stats/stats.c
index 48e02197919f..3f7d47fdc367 100644
--- a/drivers/gpu/drm/amd/display/modules/stats/stats.c
+++ b/drivers/gpu/drm/amd/display/modules/stats/stats.c
@@ -36,9 +36,14 @@
 #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;
 
@@ -63,15 +68,26 @@ struct stats_time_cache {
 	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;
 
-	bool enabled;
-	unsigned int entries;
+	struct stats_event_cache *events;
+	unsigned int event_index;
+
 };
 
 #define MOD_STATS_TO_CORE(mod_stats)\
@@ -99,12 +115,12 @@ struct mod_stats *mod_stats_create(struct dc *dc)
 	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_alloc_context;
-
-	if (dc == NULL)
 		goto fail_construct;
 
 	core_stats->dc = dc;
@@ -125,27 +141,45 @@ struct mod_stats *mod_stats_create(struct dc *dc)
 			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_time;
 
-		core_stats->time = kzalloc(sizeof(struct stats_time_cache) * core_stats->entries,
+		core_stats->event_entries = DAL_STATS_EVENT_ENTRIES_DEFAULT;
+		core_stats->events = kzalloc(
+			sizeof(struct stats_event_cache) *
+				core_stats->event_entries,
 						GFP_KERNEL);
+
+		if (core_stats->events == NULL)
+			goto fail_construct_events;
+
 	} else {
 		core_stats->entries = 0;
 	}
 
-	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;
+	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:
+fail_construct_events:
+	kfree(core_stats->time);
+
+fail_construct_time:
 	kfree(core_stats);
 
-fail_alloc_context:
+fail_construct:
 	return NULL;
 }
 
@@ -157,6 +191,9 @@ void mod_stats_destroy(struct mod_stats *mod_stats)
 		if (core_stats->time != NULL)
 			kfree(core_stats->time);
 
+		if (core_stats->events != NULL)
+			kfree(core_stats->events);
+
 		kfree(core_stats);
 	}
 }
@@ -167,7 +204,11 @@ void mod_stats_dump(struct mod_stats *mod_stats)
 	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;
@@ -176,45 +217,62 @@ void mod_stats_dump(struct mod_stats *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",
-					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);
+	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("%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++;
 		}
 	}
-	//GetLog()->Close(pLog);
-	//GetLog()->UnSetLogMask(LogMajor_ISR, LogMinor_ISR_FreeSyncSW);
+
+	DISPLAY_STATS_END(log_entry);
 }
 
 void mod_stats_reset_data(struct mod_stats *mod_stats)
@@ -231,7 +289,46 @@ void mod_stats_reset_data(struct mod_stats *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,
@@ -272,7 +369,9 @@ void mod_stats_update_flip(struct mod_stats *mod_stats,
 			(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,