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Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 11 files:

Smatch caller information:

drivers/gpu/drm/nouveau/nouveau_dp.c nouveau_dp_probe_dpcd() -> drm_dp_read_desc()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 0 aux->drm_dev 0,4096-ptr_max
PARAM_VALUE 0 aux->hw_mutex.dep_map->name 0-255
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->powered_down 0
BUF_SIZE 0 aux 2992
RX_PATH
TASK_NOT_RUNNING
LOCK2 &outp->dp.hpd_irq_lock
HALF_LOCKED2 &connector->dev->mode_config.connection_mutex
HALF_LOCKED2 &dev->mode_config.mutex
TYPE_LOCK (struct drm_mode_config)->connection_mutex
TYPE_LOCK (struct nouveau_encoder)->dp.hpd_irq_lock

drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c retrieve_branch_specific_data() -> drm_dp_read_desc()

Type Parameter Key Value
PARAM_VALUE 1 desc 4768610455460155392
PARAM_VALUE 2 is_branch 1
BUF_SIZE 0 aux (-1),2992
BUF_SIZE 0 aux (-1),2992

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c hibmc_dp_get_dpcd() -> drm_dp_read_desc()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 0 aux->drm_dev 0,4096-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 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 desc 4096-ptr_max
DATA_SOURCE 2 is_branch r drm_dp_is_branch
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/display/drm_dp_cec.c drm_dp_cec_adap_status() -> drm_dp_read_desc()

Type Parameter Key Value
PARAM_VALUE 1 desc 2875949604893409280
PARAM_VALUE 2 is_branch 1
BUF_SIZE 0 aux 48,80,88,112,144,168,176,184,192,272,1216,1608,1784,2288,2432,3032,3320,3552,6568,46648
BUF_SIZE 0 aux 48,80,88,112,144,168,176,184,192,272,1216,1608,1784,2288,2432,3032,3320,3552,6568,46648
RX_PATH
TASK_NOT_RUNNING
LOCK2 &adap->lock
LOCK2 &file->lock
TYPE_LOCK (struct cec_adapter)->lock
TYPE_LOCK (struct seq_file)->lock

drivers/gpu/drm/i915/display/intel_lspcon.c lspcon_detect_vendor() -> drm_dp_read_desc()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 1 desc 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &_connector->mutex

drivers/gpu/drm/i915/display/intel_dp.c intel_dp_get_dpcd() -> drm_dp_read_desc()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 0 aux->drm_dev 0,4096-ptr_max
PARAM_VALUE 0 aux->hw_mutex.osq.tail.counter 0-s32max
PARAM_VALUE 1 desc 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/gpu/drm/i915/display/intel_dp.c intel_edp_init_dpcd() -> drm_dp_read_desc()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 0 aux->cec.lock.magic 4096-ptr_max
PARAM_VALUE 0 aux->ddc.algo 3072115201830367232
PARAM_VALUE 0 aux->ddc.algo_data 4096-ptr_max
PARAM_VALUE 0 aux->ddc.lock_ops 5045879659154841600
PARAM_VALUE 0 aux->ddc.retries 3
PARAM_VALUE 0 aux->drm_dev 0,4096-ptr_max
PARAM_VALUE 0 aux->hw_mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 aux->transfer 4998951970533105664
PARAM_VALUE 1 desc 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/gpu/drm/display/drm_dp_mst_topology.c drm_dp_mst_dsc_aux_for_port() -> drm_dp_read_desc()

Type Parameter Key Value
PARAM_VALUE 1 desc 4452766212734390272
PARAM_VALUE 1 desc->quirks 0
PARAM_VALUE 2 is_branch 1
BUF_SIZE 0 aux (-1),2992
BUF_SIZE 0 aux (-1),2992
RX_PATH
TASK_NOT_RUNNING

drivers/gpu/drm/bridge/synopsys/dw-dp.c dw_dp_link_parse() -> drm_dp_read_desc()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 0 aux->drm_dev 0,4096-ptr_max
PARAM_VALUE 0 aux->hw_mutex.osq.tail.counter 0-s32max
PARAM_VALUE 1 desc 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &connector->dev->mode_config.connection_mutex

drivers/gpu/drm/i915/display/intel_dp_mst.c detect_dsc_hblank_expansion_quirk() -> drm_dp_read_desc()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 0 aux->drm_dev 0,4096-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 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 desc 5648595107711377408
BUF_SIZE 0 aux (-1),2992
BUF_SIZE 0 aux (-1),2992
HALF_LOCKED2 &mgr->probe_lock
HALF_LOCKED2 &pool->lock

drivers/gpu/drm/i915/display/intel_dp_mst.c intel_dp_mst_read_decompression_port_dsc_caps() -> drm_dp_read_desc()

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->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 desc 8532342220030267392
BUF_SIZE 0 aux (-1),2992
BUF_SIZE 0 aux (-1),2992
HALF_LOCKED2 &mgr->probe_lock
HALF_LOCKED2 &pool->lock

drivers/gpu/drm/msm/dp/dp_display.c msm_dp_bridge_detect() -> drm_dp_read_desc()

Type Parameter Key Value
PARAM_VALUE 0 aux 4096-ptr_max
PARAM_VALUE 0 aux->drm_dev 0,4096-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 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 desc 7627778627370303488
RX_PATH
TASK_NOT_RUNNING
LOCK2 _T->lock
HALF_LOCKED2 &connector->dev->mode_config.connection_mutex