drm/amdgpu: refine ras error kernel log print

refine ras error kernel log to avoid user-ridden ambiguity.
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

@@ -635,8 +635,11 @@ static ssize_t amdgpu_ras_sysfs_read(struct device *dev,
 
 static inline void put_obj(struct ras_manager *obj)
 {
-	if (obj && (--obj->use == 0))
+	if (obj && (--obj->use == 0)) {
 		list_del(&obj->node);
+		amdgpu_ras_error_data_fini(&obj->err_data);
+	}
+
 	if (obj && (obj->use < 0))
 		DRM_ERROR("RAS ERROR: Unbalance obj(%s) use\n", get_ras_block_str(&obj->head));
 }
@@ -666,6 +669,9 @@ static struct ras_manager *amdgpu_ras_create_obj(struct amdgpu_device *adev,
 	if (alive_obj(obj))
 		return NULL;
 
+	if (amdgpu_ras_error_data_init(&obj->err_data))
+		return NULL;
+
 	obj->head = *head;
 	obj->adev = adev;
 	list_add(&obj->node, &con->head);
@@ -1023,44 +1029,68 @@ static void amdgpu_ras_get_ecc_info(struct amdgpu_device *adev, struct ras_err_d
 }
 
 static void amdgpu_ras_error_print_error_data(struct amdgpu_device *adev,
-					      struct ras_query_if *query_if,
+					      struct ras_manager *ras_mgr,
 					      struct ras_err_data *err_data,
+					      const char *blk_name,
 					      bool is_ue)
 {
-	struct ras_manager *ras_mgr = amdgpu_ras_find_obj(adev, &query_if->head);
-	const char *blk_name = get_ras_block_str(&query_if->head);
 	struct amdgpu_smuio_mcm_config_info *mcm_info;
 	struct ras_err_node *err_node;
 	struct ras_err_info *err_info;
 
-	if (is_ue)
-		dev_info(adev->dev, "%ld uncorrectable hardware errors detected in %s block\n",
-			 ras_mgr->err_data.ue_count, blk_name);
-	else
-		dev_info(adev->dev, "%ld correctable hardware errors detected in %s block\n",
-			 ras_mgr->err_data.ce_count, blk_name);
+	if (is_ue) {
+		for_each_ras_error(err_node, err_data) {
+			err_info = &err_node->err_info;
+			mcm_info = &err_info->mcm_info;
+			if (err_info->ue_count) {
+				dev_info(adev->dev, "socket: %d, die: %d, "
+					 "%lld new uncorrectable hardware errors detected in %s block\n",
+					 mcm_info->socket_id,
+					 mcm_info->die_id,
+					 err_info->ue_count,
+					 blk_name);
+			}
+		}
 
-	for_each_ras_error(err_node, err_data) {
-		err_info = &err_node->err_info;
-		mcm_info = &err_info->mcm_info;
-		if (is_ue && err_info->ue_count) {
-			dev_info(adev->dev, "socket: %d, die: %d "
-				 "%lld uncorrectable hardware errors detected in %s block\n",
-				 mcm_info->socket_id,
-				 mcm_info->die_id,
-				 err_info->ue_count,
-				 blk_name);
-		} else if (!is_ue && err_info->ce_count) {
-			dev_info(adev->dev, "socket: %d, die: %d "
-				 "%lld correctable hardware errors detected in %s block\n",
-				 mcm_info->socket_id,
-				 mcm_info->die_id,
-				 err_info->ce_count,
-				 blk_name);
+		for_each_ras_error(err_node, &ras_mgr->err_data) {
+			err_info = &err_node->err_info;
+			mcm_info = &err_info->mcm_info;
+			dev_info(adev->dev, "socket: %d, die: %d, "
+				 "%lld uncorrectable hardware errors detected in total in %s block\n",
+				 mcm_info->socket_id, mcm_info->die_id, err_info->ue_count, blk_name);
+		}
+
+	} else {
+		for_each_ras_error(err_node, err_data) {
+			err_info = &err_node->err_info;
+			mcm_info = &err_info->mcm_info;
+			if (err_info->ce_count) {
+				dev_info(adev->dev, "socket: %d, die: %d, "
+					 "%lld new correctable hardware errors detected in %s block, "
+					 "no user action is needed\n",
+					 mcm_info->socket_id,
+					 mcm_info->die_id,
+					 err_info->ce_count,
+					 blk_name);
+			}
+		}
+
+		for_each_ras_error(err_node, &ras_mgr->err_data) {
+			err_info = &err_node->err_info;
+			mcm_info = &err_info->mcm_info;
+			dev_info(adev->dev, "socket: %d, die: %d, "
+				 "%lld correctable hardware errors detected in total in %s block, "
+				 "no user action is needed\n",
+				 mcm_info->socket_id, mcm_info->die_id, err_info->ce_count, blk_name);
 		}
 	}
 }
 
+static inline bool err_data_has_source_info(struct ras_err_data *data)
+{
+	return !list_empty(&data->err_node_list);
+}
+
 static void amdgpu_ras_error_generate_report(struct amdgpu_device *adev,
 					     struct ras_query_if *query_if,
 					     struct ras_err_data *err_data)
@@ -1069,9 +1099,8 @@ static void amdgpu_ras_error_generate_report(struct amdgpu_device *adev,
 	const char *blk_name = get_ras_block_str(&query_if->head);
 
 	if (err_data->ce_count) {
-		if (!list_empty(&err_data->err_node_list)) {
-			amdgpu_ras_error_print_error_data(adev, query_if,
-							  err_data, false);
+		if (err_data_has_source_info(err_data)) {
+			amdgpu_ras_error_print_error_data(adev, ras_mgr, err_data, blk_name, false);
 		} else if (!adev->aid_mask &&
 			   adev->smuio.funcs &&
 			   adev->smuio.funcs->get_socket_id &&
@@ -1094,9 +1123,8 @@ static void amdgpu_ras_error_generate_report(struct amdgpu_device *adev,
 	}
 
 	if (err_data->ue_count) {
-		if (!list_empty(&err_data->err_node_list)) {
-			amdgpu_ras_error_print_error_data(adev, query_if,
-							  err_data, true);
+		if (err_data_has_source_info(err_data)) {
+			amdgpu_ras_error_print_error_data(adev, ras_mgr, err_data, blk_name, true);
 		} else if (!adev->aid_mask &&
 			   adev->smuio.funcs &&
 			   adev->smuio.funcs->get_socket_id &&
@@ -1118,6 +1146,25 @@ static void amdgpu_ras_error_generate_report(struct amdgpu_device *adev,
 
 }
 
+static void amdgpu_rasmgr_error_data_statistic_update(struct ras_manager *obj, struct ras_err_data *err_data)
+{
+	struct ras_err_node *err_node;
+	struct ras_err_info *err_info;
+
+	if (err_data_has_source_info(err_data)) {
+		for_each_ras_error(err_node, err_data) {
+			err_info = &err_node->err_info;
+
+			amdgpu_ras_error_statistic_ce_count(&obj->err_data, &err_info->mcm_info, err_info->ce_count);
+			amdgpu_ras_error_statistic_ue_count(&obj->err_data, &err_info->mcm_info, err_info->ue_count);
+		}
+	} else {
+		/* for legacy asic path which doesn't has error source info */
+		obj->err_data.ue_count += err_data->ue_count;
+		obj->err_data.ce_count += err_data->ce_count;
+	}
+}
+
 /* query/inject/cure begin */
 int amdgpu_ras_query_error_status(struct amdgpu_device *adev,
 				  struct ras_query_if *info)
@@ -1156,8 +1203,7 @@ int amdgpu_ras_query_error_status(struct amdgpu_device *adev,
 			}
 	}
 
-	obj->err_data.ue_count += err_data.ue_count;
-	obj->err_data.ce_count += err_data.ce_count;
+	amdgpu_rasmgr_error_data_statistic_update(obj, &err_data);
 
 	info->ue_count = obj->err_data.ue_count;
 	info->ce_count = obj->err_data.ce_count;

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h

@@ -515,10 +515,7 @@ struct ras_manager {
 	/* IH data */
 	struct ras_ih_data ih_data;
 
-	struct {
-		unsigned long ue_count;
-		unsigned long ce_count;
-	} err_data;
+	struct ras_err_data err_data;
 };
 
 struct ras_badpage {