has_tunnel_bw_changed identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/gpu/drm/i915/display/intel_dp_tunnel.c, line 95 (as a function)

Referenced in 1 files:

drivers/gpu/drm/i915/display/intel_dp_tunnel.c
- line 135
- line 245

Smatch caller information:

drivers/gpu/drm/i915/display/intel_dp_tunnel.c detect_new_tunnel() -> has_tunnel_bw_changed()

Type	Parameter	Key	Value
PARAM_VALUE	0	intel_dp	4096-ptr_max
PARAM_VALUE	0	intel_dp->aux.hw_mutex->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	intel_dp->aux.hw_mutex.dep_map->name	0-255
PARAM_VALUE	0	intel_dp->aux.hw_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	intel_dp->aux.hw_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	intel_dp->aux.hw_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	intel_dp->aux.hw_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	intel_dp->aux.hw_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	intel_dp->aux.hw_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	intel_dp->aux.hw_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	intel_dp->aux.hw_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	intel_dp->aux.hw_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	intel_dp->link.caps	4096-ptr_max
PARAM_VALUE	0	intel_dp->link.caps->max_lane_count	s32min-4
PARAM_VALUE	0	intel_dp->link.caps->num_configs	0-24
PARAM_VALUE	0	intel_dp->link.caps->num_rates	1-8
PARAM_VALUE	0	intel_dp->max_sink_lane_count	1-2,4
PARAM_VALUE	0	intel_dp->mst_detect	0-2
PARAM_VALUE	0	intel_dp->num_sink_rates	1-7
PARAM_VALUE	0	intel_dp->num_source_rates	s32min-(-1),1-s32max
PARAM_VALUE	0	intel_dp->quirks.mask	0,64-u64max
PARAM_VALUE	0	intel_dp->reset_link_params	1
PARAM_VALUE	0	intel_dp->sink_count	0-127
PARAM_VALUE	0	intel_dp->tunnel	4096-ptr_max
PARAM_VALUE	0	intel_dp->tunnel->allocated_bw	s32min-s32max
PARAM_VALUE	0	intel_dp->tunnel->aux->hw_mutex->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	intel_dp->tunnel->aux->hw_mutex.dep_map->name	0-255
PARAM_VALUE	0	intel_dp->tunnel->aux->hw_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	intel_dp->tunnel->aux->hw_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	intel_dp->tunnel->aux->hw_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	intel_dp->tunnel->aux->hw_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	intel_dp->tunnel->aux->hw_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	intel_dp->tunnel->aux->hw_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	intel_dp->tunnel->aux->hw_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	intel_dp->tunnel->bw_alloc_enabled	1
PARAM_VALUE	0	intel_dp->tunnel->bw_alloc_supported	1
PARAM_VALUE	0	intel_dp->tunnel->destroyed	0
PARAM_VALUE	0	intel_dp->tunnel->dprx_128b132b_lane0_mapping_support	0-1
PARAM_VALUE	0	intel_dp->tunnel->dprx_128b132b_rates	0-7
PARAM_VALUE	0	intel_dp->tunnel->dprx_128b132b_support	0-1
PARAM_VALUE	0	intel_dp->tunnel->group->drv_group_id	0-127
PARAM_VALUE	0	intel_dp->tunnel->has_io_error	0-1
PARAM_VALUE	0	intel_dp->tunnel->max_dprx_lane_count	0-31
PARAM_VALUE	0	intel_dp->tunnel->max_dprx_rate	0,81000,135000-6885000
PARAM_VALUE	0	*intel_dp->sink_rates	s32min-s32max
PARAM_VALUE	0	*intel_dp->tunnel->aux->hw_mutex.first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
BUF_SIZE	0	intel_dp	(-1),6896
BUF_SIZE	0	intel_dp	(-1),6896
BUF_SIZE	0	intel_dp->tunnel	88
CAPPED_DATA	0	intel_dp->num_source_rates	1
CAPPED_DATA	0	intel_dp->tunnel	1
CAPPED_DATA	0	intel_dp->tunnel->bw_granularity	1
CAPPED_DATA	0	intel_dp->tunnel->group->drv_group_id	1
DATA_SOURCE	0	intel_dp	$0
DATA_SOURCE	1	old_bw	r get_current_link_bw
TASK_NOT_RUNNING
HALF_LOCKED2		&_connector->dev->mode_config.connection_mutex
HALF_LOCKED2		&dev->mode_config.mutex
TYPE_LOCK		(struct drm_mode_config)->connection_mutex

drivers/gpu/drm/i915/display/intel_dp_tunnel.c update_tunnel_state() -> has_tunnel_bw_changed()

Type	Parameter	Key	Value
PARAM_VALUE	0	intel_dp	4096-ptr_max
PARAM_VALUE	0	intel_dp->link.caps	4096-ptr_max
PARAM_VALUE	0	intel_dp->max_sink_lane_count	0-31
PARAM_VALUE	0	intel_dp->mst_detect	0-2
PARAM_VALUE	0	intel_dp->num_sink_rates	0-s32max
PARAM_VALUE	0	intel_dp->quirks.mask	0,64-u64max
PARAM_VALUE	0	intel_dp->sink_count	0-127
PARAM_VALUE	0	intel_dp->tunnel	4096-ptr_max
PARAM_VALUE	0	intel_dp->tunnel->aux->hw_mutex->first_waiter->task->blocked_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	intel_dp->tunnel->aux->hw_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	intel_dp->tunnel->aux->hw_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	intel_dp->tunnel->aux->hw_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	intel_dp->tunnel->aux->hw_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	intel_dp->tunnel->aux->hw_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	intel_dp->tunnel->destroyed	0
PARAM_VALUE	0	intel_dp->tunnel->has_io_error	0-1
PARAM_VALUE	0	intel_dp->tunnel->max_dprx_lane_count	0-31
PARAM_VALUE	0	intel_dp->tunnel->max_dprx_rate	0,81000,135000-6885000
BUF_SIZE	0	intel_dp	(-1),6896
BUF_SIZE	0	intel_dp	(-1),6896
DATA_SOURCE	0	intel_dp	$0
DATA_SOURCE	1	old_bw	r get_current_link_bw
TASK_NOT_RUNNING
HALF_LOCKED2		&_connector->dev->mode_config.connection_mutex
HALF_LOCKED2		&dev->mode_config.mutex
TYPE_LOCK		(struct drm_mode_config)->connection_mutex