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Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 5 files:

Smatch caller information:

drivers/gpu/drm/nouveau/nouveau_dp.c nouveau_dp_link_check_locked() -> drm_dp_dpcd_read_phy_link_status()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 1 dp_phy 0
BUF_SIZE 2 link_status 6
LOCK2 &dev->mode_config.mutex
LOCK2 &outp->dp.hpd_irq_lock
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct drm_mode_config)->mutex
TYPE_LOCK (struct nouveau_encoder)->dp.hpd_irq_lock

drivers/gpu/drm/nouveau/nouveau_dp.c nouveau_dp_train_link() -> drm_dp_dpcd_read_phy_link_status()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 1 dp_phy 0
BUF_SIZE 0 aux 2992
BUF_SIZE 2 link_status 6
RX_PATH
TASK_NOT_RUNNING
LOCK2 &outp->dp.hpd_irq_lock
HALF_LOCKED2 &dev->mode_config.mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct nouveau_encoder)->dp.hpd_irq_lock

drivers/gpu/drm/nouveau/nouveau_dp.c nouveau_dp_train_link() -> drm_dp_dpcd_read_phy_link_status()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 0 aux->hw_mutex.dep_map->name 0-255
PARAM_VALUE 0 aux->hw_mutex.first_waiter 0,4096-ptr_max
PARAM_VALUE 0 aux->hw_mutex.first_waiter->task->blocked_lock.dep_map->name 0-255
PARAM_VALUE 0 aux->hw_mutex.first_waiter->task->blocked_on 0
PARAM_VALUE 0 aux->hw_mutex.osq.tail.counter 0-s32max
PARAM_VALUE 1 dp_phy 0
PARAM_VALUE 2 link_status 4096-ptr_max
BUF_SIZE 0 aux 2992
BUF_SIZE 2 link_status 6
RX_PATH
TASK_NOT_RUNNING
LOCK2 &outp->dp.hpd_irq_lock
HALF_LOCKED2 &dev->mode_config.mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct nouveau_encoder)->dp.hpd_irq_lock

drivers/gpu/drm/msm/dp/dp_ctrl.c msm_dp_ctrl_link_train_1() -> drm_dp_dpcd_read_phy_link_status()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 0 aux->hw_mutex->first_waiter->task->blocked_lock.owner (-4611686018427387904)-4611686018427387903
PARAM_VALUE 0 aux->hw_mutex.dep_map->name 0-255
PARAM_VALUE 0 aux->hw_mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 aux->hw_mutex.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 aux->hw_mutex.first_waiter->task->blocked_lock.dep_map->name 0-255
PARAM_VALUE 0 aux->hw_mutex.first_waiter->task->blocked_lock.owner (-1)
PARAM_VALUE 0 aux->hw_mutex.first_waiter->task->blocked_lock.owner_cpu 4294967295
PARAM_VALUE 0 aux->hw_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter s32min-s32max
PARAM_VALUE 0 aux->hw_mutex.first_waiter->task->blocked_on 0
PARAM_VALUE 0 aux->hw_mutex.first_waiter->task->usage.refs.counter s32min-s32max
PARAM_VALUE 2 link_status 2010640328764977152
BUF_SIZE 2 link_status 6
DATA_SOURCE 1 dp_phy $3

drivers/gpu/drm/msm/dp/dp_ctrl.c msm_dp_ctrl_link_train_2() -> drm_dp_dpcd_read_phy_link_status()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 0 aux->hw_mutex->first_waiter->task->blocked_lock.owner (-4611686018427387904)-4611686018427387903
PARAM_VALUE 0 aux->hw_mutex.dep_map->name 0-255
PARAM_VALUE 0 aux->hw_mutex.first_waiter->list.prev->next 5159360019465732096
PARAM_VALUE 0 aux->hw_mutex.first_waiter->list.prev->prev 5159360019465732096
PARAM_VALUE 0 aux->hw_mutex.first_waiter->task->blocked_lock.dep_map->name 0-255
PARAM_VALUE 0 aux->hw_mutex.first_waiter->task->blocked_lock.owner (-1)
PARAM_VALUE 0 aux->hw_mutex.first_waiter->task->blocked_lock.owner_cpu 4294967295
PARAM_VALUE 0 aux->hw_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter s32min-s32max
PARAM_VALUE 0 aux->hw_mutex.first_waiter->task->blocked_on 0
PARAM_VALUE 0 aux->hw_mutex.first_waiter->task->usage.refs.counter s32min-s32max
PARAM_VALUE 0 *aux->hw_mutex.first_waiter->task->blocked_lock.owner (-4611686018427387904)-4611686018427387903
PARAM_VALUE 2 link_status 7552199935509041152
BUF_SIZE 2 link_status 6
DATA_SOURCE 1 dp_phy $3

drivers/gpu/drm/i915/display/intel_dp_link_training.c intel_dp_link_training_channel_equalization() -> drm_dp_dpcd_read_phy_link_status()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 1 dp_phy 0-9
BUF_SIZE 2 link_status 6
CAPPED_DATA 1 dp_phy 1
DATA_SOURCE 1 dp_phy $2
RX_PATH
TASK_NOT_RUNNING

drivers/gpu/drm/i915/display/intel_dp_link_training.c intel_dp_link_training_clock_recovery() -> drm_dp_dpcd_read_phy_link_status()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 1 dp_phy 0-9
PARAM_VALUE 2 link_status 956760557875818496
BUF_SIZE 2 link_status 6
CAPPED_DATA 1 dp_phy 1
DATA_SOURCE 1 dp_phy $2
RX_PATH
TASK_NOT_RUNNING

drivers/gpu/drm/i915/display/intel_dp_link_training.c intel_dp_post_lt_adj_req() -> drm_dp_dpcd_read_phy_link_status()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 1 dp_phy 0
BUF_SIZE 2 link_status 6
RX_PATH
TASK_NOT_RUNNING

drivers/gpu/drm/i915/display/intel_dp_link_training.c intel_dp_post_lt_adj_req() -> drm_dp_dpcd_read_phy_link_status()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 1 dp_phy 0
BUF_SIZE 2 link_status 6
RX_PATH
TASK_NOT_RUNNING

drivers/gpu/drm/i915/display/intel_dp_link_training.c intel_dp_read_link_status() -> drm_dp_dpcd_read_phy_link_status()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 1 dp_phy 0
BUF_SIZE 2 link_status 6
BUF_SIZE 2 link_status 6
DATA_SOURCE 2 link_status $1
MEM_ZERO 2 link_status
TASK_NOT_RUNNING
HALF_LOCKED2 &pool->lock

drivers/gpu/drm/i915/display/intel_dp_test.c intel_dp_process_phy_request() -> drm_dp_dpcd_read_phy_link_status()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 1 dp_phy 0
BUF_SIZE 2 link_status 6
LOCK2 &display->drm->mode_config.mutex
LOCK2 &pool->lock
HALF_LOCKED2 &display->drm->mode_config.connection_mutex
TYPE_LOCK (struct drm_mode_config)->connection_mutex
TYPE_LOCK (struct drm_mode_config)->mutex