Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

drivers/gpu/drm/display/drm_dp_mst_topology.c drm_dp_mst_i2c_read() -> drm_dp_queue_down_tx()

Type Parameter Key Value
PARAM_VALUE 0 mgr 4096-ptr_max
PARAM_VALUE 0 mgr->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 mgr->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 mgr->mst_primary 1-u64max
PARAM_VALUE 1 txmsg 4096-ptr_max
PARAM_VALUE 1 txmsg->dst 4096-ptr_max
PARAM_VALUE 1 txmsg->dst->mgr 4096-ptr_max
PARAM_VALUE 1 txmsg->dst->topology_kref.refcount.refs.counter 0-s32max
PARAM_VALUE 1 txmsg->dst->topology_ref_history.entries 4096-ptr_max
PARAM_VALUE 1 txmsg->msg 4096-ptr_max
PARAM_VALUE 1 *txmsg->msg 0-255
BUF_SIZE 1 txmsg 768
DATA_SOURCE 1 txmsg r _kzalloc_noprof
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/gpu/drm/display/drm_dp_mst_topology.c drm_dp_mst_i2c_write() -> drm_dp_queue_down_tx()

Type Parameter Key Value
PARAM_VALUE 0 mgr 4096-ptr_max
PARAM_VALUE 0 mgr->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 mgr->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 mgr->mst_primary 1-u64max
PARAM_VALUE 1 txmsg 4096-ptr_max
PARAM_VALUE 1 txmsg->dst 4096-ptr_max
PARAM_VALUE 1 txmsg->dst->mgr 4096-ptr_max
PARAM_VALUE 1 txmsg->dst->topology_kref.refcount.refs.counter 0-s32max
PARAM_VALUE 1 txmsg->dst->topology_ref_history.entries 4096-ptr_max
PARAM_VALUE 1 txmsg->msg 4096-ptr_max
PARAM_VALUE 1 txmsg->next.next 0
PARAM_VALUE 1 *txmsg->msg 0-255
BUF_SIZE 1 txmsg 768
DATA_SOURCE 1 txmsg r _kzalloc_noprof
MEM_ZERO 1 txmsg
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/gpu/drm/display/drm_dp_mst_topology.c drm_dp_payload_send_msg() -> drm_dp_queue_down_tx()

Type Parameter Key Value
PARAM_VALUE 0 mgr 4096-ptr_max
PARAM_VALUE 0 mgr->lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 mgr->lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.owner (-1)
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.owner_cpu 4294967295
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.raw_lock.val.counter s32min-s32max
PARAM_VALUE 0 mgr->lock.first_waiter->task->usage.refs.counter s32min-s32max
PARAM_VALUE 0 mgr->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 mgr->mst_primary 1-u64max
PARAM_VALUE 1 txmsg 4096-ptr_max
PARAM_VALUE 1 txmsg->dst 4096-ptr_max
PARAM_VALUE 1 txmsg->dst->mgr 4096-ptr_max
PARAM_VALUE 1 txmsg->dst->topology_kref.refcount.refs.counter (-1073741824),0-s32max
PARAM_VALUE 1 txmsg->dst->topology_ref_history.entries 4096-ptr_max
PARAM_VALUE 1 txmsg->msg 4096-ptr_max
PARAM_VALUE 1 txmsg->path_msg 1
PARAM_VALUE 1 *txmsg->msg 0-255
BUF_SIZE 1 txmsg 768
CAPPED_DATA 0 mgr->mst_primary 1
DATA_SOURCE 0 mgr $0
DATA_SOURCE 1 txmsg r _kzalloc_noprof
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/gpu/drm/display/drm_dp_mst_topology.c drm_dp_send_clear_payload_id_table() -> drm_dp_queue_down_tx()

Type Parameter Key Value
PARAM_VALUE 0 mgr 4096-ptr_max
PARAM_VALUE 0 mgr->dev 0,4096-ptr_max
PARAM_VALUE 0 mgr->lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 mgr->lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.owner (-1)
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.owner_cpu 4294967295
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.raw_lock.val.counter s32min-s32max
PARAM_VALUE 0 mgr->lock.first_waiter->task->usage.refs.counter s32min-s32max
PARAM_VALUE 0 mgr->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 mgr->lock.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->mst_primary 4096-ptr_max
PARAM_VALUE 0 mgr->mst_primary->mgr 4096-ptr_max
PARAM_VALUE 0 mgr->mst_primary->mgr->topology_ref_history_lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->mst_primary->mgr->topology_ref_history_lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 mgr->mst_primary->mgr->topology_ref_history_lock.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 mgr->mst_primary->mgr->topology_ref_history_lock.first_waiter->task->blocked_on (-1)-0
PARAM_VALUE 0 mgr->mst_primary->topology_kref.refcount.refs.counter (-1073741824),0-s32max
PARAM_VALUE 0 mgr->mst_primary->topology_ref_history.entries 4096-ptr_max
PARAM_VALUE 0 mgr->payload_id_table_cleared 1
PARAM_VALUE 0 mgr->probe_lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->probe_lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 mgr->probe_lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 mgr->probe_lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 mgr->probe_lock.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->probe_lock.wait_lock.owner (-1)
PARAM_VALUE 0 mgr->probe_lock.wait_lock.owner_cpu u32max
PARAM_VALUE 1 txmsg 4096-ptr_max
PARAM_VALUE 1 txmsg->dst 4096-ptr_max
PARAM_VALUE 1 txmsg->dst->mgr 4096-ptr_max
PARAM_VALUE 1 txmsg->dst->topology_kref.refcount.refs.counter (-1073741824),0-s32max
PARAM_VALUE 1 txmsg->dst->topology_ref_history.entries 4096-ptr_max
PARAM_VALUE 1 txmsg->msg 4096-ptr_max
PARAM_VALUE 1 txmsg->path_msg 1
PARAM_VALUE 1 *txmsg->msg 0-255
BUF_SIZE 1 txmsg 768
DATA_SOURCE 0 mgr $0
DATA_SOURCE 1 txmsg r _kzalloc_noprof
NOCHECK_CALL
LOCK2 0 &mgr->probe_lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct drm_dp_mst_topology_mgr)->probe_lock

drivers/gpu/drm/display/drm_dp_mst_topology.c drm_dp_send_dpcd_read() -> drm_dp_queue_down_tx()

Type Parameter Key Value
PARAM_VALUE 0 mgr 4096-ptr_max
PARAM_VALUE 0 mgr->lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 mgr->lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.owner (-1)
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.owner_cpu 4294967295
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.raw_lock.val.counter s32min-s32max
PARAM_VALUE 0 mgr->lock.first_waiter->task->usage.refs.counter s32min-s32max
PARAM_VALUE 0 mgr->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 mgr->mst_primary 1-u64max
PARAM_VALUE 1 txmsg 4096-ptr_max
PARAM_VALUE 1 txmsg->msg 4096-ptr_max
PARAM_VALUE 1 *txmsg->msg 0-255
BUF_SIZE 1 txmsg 768
CAPPED_DATA 0 mgr->mst_primary 1
DATA_SOURCE 0 mgr $0
DATA_SOURCE 1 txmsg r _kzalloc_noprof
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 1 txmsg->cur_len 6-20[c][u]
HALF_LOCKED2 &_connector->mutex
HALF_LOCKED2 &aconnector->handle_mst_msg_ready
HALF_LOCKED2 &anx78xx->lock
HALF_LOCKED2 &aux->cec.lock
HALF_LOCKED2 &connector->mutex
HALF_LOCKED2 &dig_port->hdcp.mutex
HALF_LOCKED2 &first_bridge->encoder->bridge_chain_mutex
HALF_LOCKED2 &hdcp->mutex
HALF_LOCKED2 &mgr->lock
HALF_LOCKED2 &mhdp->link_mutex
HALF_LOCKED2 &outp->dp.hpd_irq_lock
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 _T->lock

drivers/gpu/drm/display/drm_dp_mst_topology.c drm_dp_send_dpcd_write() -> drm_dp_queue_down_tx()

Type Parameter Key Value
PARAM_VALUE 0 mgr 4096-ptr_max
PARAM_VALUE 0 mgr->lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 mgr->lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.owner (-1)
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.owner_cpu 4294967295
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.raw_lock.val.counter s32min-s32max
PARAM_VALUE 0 mgr->lock.first_waiter->task->usage.refs.counter s32min-s32max
PARAM_VALUE 0 mgr->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 mgr->mst_primary 1-u64max
PARAM_VALUE 1 txmsg 4096-ptr_max
PARAM_VALUE 1 txmsg->dst 4096-ptr_max
PARAM_VALUE 1 txmsg->dst->mgr 4096-ptr_max
PARAM_VALUE 1 txmsg->dst->topology_kref.refcount.refs.counter 0-s32max
PARAM_VALUE 1 txmsg->dst->topology_ref_history.entries 4096-ptr_max
PARAM_VALUE 1 txmsg->msg 4096-ptr_max
PARAM_VALUE 1 *txmsg->msg 0-255
BUF_SIZE 1 txmsg 768
CAPPED_DATA 0 mgr->mst_primary 1
DATA_SOURCE 0 mgr $0
DATA_SOURCE 1 txmsg r _kzalloc_noprof
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 1 txmsg->cur_len 6-36[c]
USER_DATA 1 txmsg->cur_len 6-20[c][u]
HALF_LOCKED2 &aconnector->handle_mst_msg_ready
HALF_LOCKED2 &anx78xx->lock
HALF_LOCKED2 &aux->cec.lock
HALF_LOCKED2 &dig_port->hdcp.mutex
HALF_LOCKED2 &display->drm->mode_config.mutex
HALF_LOCKED2 &first_bridge->encoder->bridge_chain_mutex
HALF_LOCKED2 &hdcp->mutex
HALF_LOCKED2 &mgr->lock
HALF_LOCKED2 &mhdp->link_mutex
HALF_LOCKED2 &outp->dp.hpd_irq_lock
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &psr->lock
HALF_LOCKED2 _T->lock

drivers/gpu/drm/display/drm_dp_mst_topology.c drm_dp_send_enum_path_resources() -> drm_dp_queue_down_tx()

Type Parameter Key Value
PARAM_VALUE 0 mgr 4096-ptr_max
PARAM_VALUE 1 txmsg 4096-ptr_max
PARAM_VALUE 1 txmsg->dst 4096-ptr_max
PARAM_VALUE 1 txmsg->dst->mgr 4096-ptr_max
PARAM_VALUE 1 txmsg->msg 4096-ptr_max
PARAM_VALUE 1 txmsg->path_msg 1
PARAM_VALUE 1 *txmsg->msg 0-255
BUF_SIZE 1 txmsg 768
DATA_SOURCE 0 mgr $0
DATA_SOURCE 1 txmsg r _kzalloc_noprof
NOCHECK_CALL
HALF_LOCKED2 &mgr->probe_lock
HALF_LOCKED2 0 &mgr->base.lock.mutex

drivers/gpu/drm/display/drm_dp_mst_topology.c drm_dp_send_link_address() -> drm_dp_queue_down_tx()

Type Parameter Key Value
PARAM_VALUE 1 txmsg 4096-ptr_max
PARAM_VALUE 1 txmsg->dst 4096-ptr_max
PARAM_VALUE 1 txmsg->msg 4096-ptr_max
PARAM_VALUE 1 *txmsg->msg 0-255
BUF_SIZE 1 txmsg 768
DATA_SOURCE 0 mgr $0
DATA_SOURCE 1 txmsg r _kzalloc_noprof
NOCHECK_CALL
HALF_LOCKED2 0 &mgr->probe_lock

drivers/gpu/drm/display/drm_dp_mst_topology.c drm_dp_send_power_updown_phy() -> drm_dp_queue_down_tx()

Type Parameter Key Value
PARAM_VALUE 0 mgr 4096-ptr_max
PARAM_VALUE 0 mgr->lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 mgr->lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.owner (-1)
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.owner_cpu 4294967295
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.raw_lock.val.counter s32min-s32max
PARAM_VALUE 0 mgr->lock.first_waiter->task->usage.refs.counter s32min-s32max
PARAM_VALUE 0 mgr->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 mgr->mst_primary 4096-ptr_max
PARAM_VALUE 1 txmsg 4096-ptr_max
PARAM_VALUE 1 txmsg->msg 4096-ptr_max
PARAM_VALUE 1 txmsg->path_msg 1
PARAM_VALUE 1 *txmsg->msg 0-255
BUF_SIZE 1 txmsg 768
DATA_SOURCE 0 mgr $0
DATA_SOURCE 1 txmsg r _kzalloc_noprof
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/gpu/drm/display/drm_dp_mst_topology.c drm_dp_send_query_stream_enc_status() -> drm_dp_queue_down_tx()

Type Parameter Key Value
PARAM_VALUE 0 mgr 4096-ptr_max
PARAM_VALUE 0 mgr->lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->lock.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 mgr->lock.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.dep_map->name 0-255
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.owner (-1)
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.owner_cpu 4294967295
PARAM_VALUE 0 mgr->lock.first_waiter->task->blocked_lock.raw_lock.val.counter s32min-s32max
PARAM_VALUE 0 mgr->lock.first_waiter->task->usage.refs.counter s32min-s32max
PARAM_VALUE 0 mgr->lock.osq.tail.counter 0-s32max
PARAM_VALUE 0 mgr->mst_primary 4096-ptr_max
PARAM_VALUE 1 txmsg 4096-ptr_max
PARAM_VALUE 1 txmsg->dst 4096-ptr_max
PARAM_VALUE 1 txmsg->msg 4096-ptr_max
PARAM_VALUE 1 *txmsg->msg 0-255
BUF_SIZE 1 txmsg 768
DATA_SOURCE 0 mgr $0
DATA_SOURCE 1 txmsg r _kzalloc_noprof
NOCHECK_CALL
LOCK2 0 &mgr->base.lock.mutex
TYPE_LOCK (struct drm_modeset_lock)->mutex