drm_dp_is_branch identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

include/drm/display/drm_dp_helper.h, line 204 (as a function)

Referenced in 11 files:

Smatch caller information:

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

Type	Parameter	Key	Value
PARAM_VALUE	0	dpcd	4096-ptr_max
BUF_SIZE	0	dpcd	15
BUF_SIZE	0	dpcd	15
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/msm/dp/dp_panel.c msm_dp_panel_read_link_caps() -> drm_dp_is_branch()

Type	Parameter	Key	Value
PARAM_VALUE	0	*dpcd	0-255
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&bridge_connector->encoder->bridge_chain_mutex
HALF_LOCKED2		_T->lock

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

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
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_lspcon.c lspcon_detect_vendor() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&_connector->mutex

drivers/gpu/drm/i915/display/intel_dp.c dfp_can_convert_from_rgb() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING

drivers/gpu/drm/i915/display/intel_dp.c dfp_can_convert_from_ycbcr444() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING

drivers/gpu/drm/i915/display/intel_dp.c downstream_hpd_needs_d0() -> drm_dp_is_branch()

Type	Parameter	Key	Value
PARAM_VALUE	0	dpcd	4096-ptr_max
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING

drivers/gpu/drm/i915/display/intel_dp.c intel_dp_can_ycbcr420() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&dev->mode_config.mutex

drivers/gpu/drm/i915/display/intel_dp.c intel_dp_configure_protocol_converter() -> drm_dp_is_branch()

Type	Parameter	Key	Value
PARAM_VALUE	0	dpcd	4096-ptr_max
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING

drivers/gpu/drm/i915/display/intel_dp.c intel_dp_detect_dpcd() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
BUF_SIZE	0	dpcd	15
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.c intel_dp_detect_dsc_caps() -> drm_dp_is_branch()

Type	Parameter	Key	Value
PARAM_VALUE	0	dpcd	4096-ptr_max
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING

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

Type	Parameter	Key	Value
PARAM_VALUE	0	*dpcd	0-255
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING

drivers/gpu/drm/i915/display/intel_dp.c intel_dp_get_pcon_dsc_cap() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&dev->mode_config.mutex

drivers/gpu/drm/i915/display/intel_dp.c intel_dp_is_hdmi_2_1_sink() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING

drivers/gpu/drm/i915/display/intel_dp.c intel_dp_needs_as_sdp() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING

drivers/gpu/drm/i915/display/intel_dp.c intel_dp_output_format() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING

drivers/gpu/drm/i915/display/intel_dp.c intel_edp_init_connector() -> drm_dp_is_branch()

Type	Parameter	Key	Value
PARAM_VALUE	0	*dpcd	0-255
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING

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

Type	Parameter	Key	Value
PARAM_VALUE	0	dpcd	4096-ptr_max
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING

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

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
MEM_ZERO	0	dpcd
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&connector->dev->mode_config.connection_mutex

drivers/gpu/drm/bridge/ite-it6505.c it6505_parse_link_capabilities() -> drm_dp_is_branch()

Type	Parameter	Key	Value
PARAM_VALUE	0	dpcd	4096-ptr_max
BUF_SIZE	0	dpcd	15

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

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
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_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
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_is_branch()

Type	Parameter	Key	Value
PARAM_VALUE	0	dpcd	4096-ptr_max
BUF_SIZE	0	dpcd	15
HALF_LOCKED2		&mgr->probe_lock
HALF_LOCKED2		&pool->lock

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

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING
LOCK2		_T->lock
HALF_LOCKED2		&connector->dev->mode_config.connection_mutex

drivers/gpu/drm/display/drm_dp_helper.c drm_dp_downstream_420_passthrough() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
BUF_SIZE	0	dpcd	15
DATA_SOURCE	0	dpcd	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&dev->mode_config.mutex

drivers/gpu/drm/display/drm_dp_helper.c drm_dp_downstream_444_to_420_conversion() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
BUF_SIZE	0	dpcd	15
DATA_SOURCE	0	dpcd	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&dev->mode_config.mutex

drivers/gpu/drm/display/drm_dp_helper.c drm_dp_downstream_debug() -> drm_dp_is_branch()

Type	Parameter	Key	Value
PARAM_VALUE	0	dpcd	4096-ptr_max
BUF_SIZE	0	dpcd	15
BUF_SIZE	0	dpcd	15
DATA_SOURCE	0	dpcd	$1
RX_PATH
TASK_NOT_RUNNING
LOCK2		&m->lock
HALF_LOCKED2		&display->drm->mode_config.mutex
TYPE_LOCK		(struct seq_file)->lock

drivers/gpu/drm/display/drm_dp_helper.c drm_dp_downstream_is_type() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
DATA_SOURCE	0	dpcd	$0

drivers/gpu/drm/display/drm_dp_helper.c drm_dp_downstream_max_bpc() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
BUF_SIZE	0	dpcd	15
DATA_SOURCE	0	dpcd	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&m->lock

drivers/gpu/drm/display/drm_dp_helper.c drm_dp_downstream_max_dotclock() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
BUF_SIZE	0	dpcd	15
DATA_SOURCE	0	dpcd	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&m->lock

drivers/gpu/drm/display/drm_dp_helper.c drm_dp_downstream_max_tmds_clock() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
BUF_SIZE	0	dpcd	15
DATA_SOURCE	0	dpcd	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&m->lock

drivers/gpu/drm/display/drm_dp_helper.c drm_dp_downstream_min_tmds_clock() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
BUF_SIZE	0	dpcd	15
DATA_SOURCE	0	dpcd	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&m->lock

drivers/gpu/drm/display/drm_dp_helper.c drm_dp_downstream_mode() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
BUF_SIZE	0	dpcd	15
DATA_SOURCE	0	dpcd	$1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&_connector->dev->mode_config.connection_mutex
HALF_LOCKED2		&client->modeset_mutex
HALF_LOCKED2		&dev->mode_config.connection_mutex
HALF_LOCKED2		&dev->mode_config.mutex
HALF_LOCKED2		&drm->mode_config.mutex
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		_T->lock

drivers/gpu/drm/display/drm_dp_helper.c drm_dp_downstream_rgb_to_ycbcr_conversion() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
BUF_SIZE	0	dpcd	15
DATA_SOURCE	0	dpcd	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&dev->mode_config.mutex

drivers/gpu/drm/display/drm_dp_helper.c drm_dp_get_pcon_max_frl_bw() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
BUF_SIZE	0	dpcd	15
DATA_SOURCE	0	dpcd	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&dev->mode_config.mutex

drivers/gpu/drm/display/drm_dp_helper.c drm_dp_read_downstream_info() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
BUF_SIZE	0	dpcd	15
DATA_SOURCE	0	dpcd	$1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&outp->dp.hpd_irq_lock

drivers/gpu/drm/display/drm_dp_helper.c drm_dp_subconnector_type() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
BUF_SIZE	0	dpcd	15
DATA_SOURCE	0	dpcd	$0
RX_PATH
TASK_NOT_RUNNING

drivers/gpu/drm/i915/display/intel_vrr.c intel_vrr_is_capable() -> drm_dp_is_branch()

Type	Parameter	Key	Value
BUF_SIZE	0	dpcd	15
RX_PATH
TASK_NOT_RUNNING