Documented in 1 files:
Defined in 1 files as a function:
Referenced in 5 files:
- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c, line 2112
- drivers/gpu/drm/display/drm_scdc_helper.c
- drivers/gpu/drm/i915/display/intel_ddi.c, line 4834
- drivers/gpu/drm/nouveau/dispnv50/disp.c, line 801
- drivers/gpu/drm/vc4/vc4_hdmi.c, line 331
Smatch caller information:
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c hdmi_av_composer() -> drm_scdc_readb()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | adapter | 1-u64max |
| PARAM_VALUE | 1 | offset | 1 |
| PARAM_VALUE | 2 | value | 4612592995917619200 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &hdmi->mutex | ||
| TYPE_LOCK | (struct dw_hdmi)->mutex |
drivers/gpu/drm/i915/display/intel_ddi.c intel_hdmi_reset_link() -> drm_scdc_readb()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | offset | 32 |
| PARAM_VALUE | 2 | value | 1877298489077575680 |
| LOCK2 | &crtc->base.mutex | ||
| LOCK2 | &display->drm->mode_config.connection_mutex | ||
| LOCK2 | &display->drm->mode_config.mutex | ||
| HALF_LOCKED2 | &crtc->base.mutex | ||
| HALF_LOCKED2 | &display->drm->mode_config.connection_mutex | ||
| HALF_LOCKED2 | &pool->lock | ||
| TYPE_LOCK | (struct drm_crtc)->mutex | ||
| TYPE_LOCK | (struct drm_mode_config)->connection_mutex | ||
| TYPE_LOCK | (struct drm_mode_config)->mutex |
drivers/gpu/drm/display/drm_scdc_helper.c drm_scdc_get_scrambling_status() -> drm_scdc_readb()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | offset | 33 |
| PARAM_VALUE | 2 | value | 7533546247897919488 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &pool->lock |
drivers/gpu/drm/display/drm_scdc_helper.c drm_scdc_set_high_tmds_clock_ratio() -> drm_scdc_readb()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | offset | 32 |
| PARAM_VALUE | 2 | value | 6978155339166384128 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &hdmi->mutex | ||
| HALF_LOCKED2 | &vc4_hdmi->mutex | ||
| HALF_LOCKED2 | global &drm_unplug_srcu |
drivers/gpu/drm/display/drm_scdc_helper.c drm_scdc_set_scrambling() -> drm_scdc_readb()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | offset | 32 |
| PARAM_VALUE | 2 | value | 6903916807970496512 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &hdmi->mutex | ||
| HALF_LOCKED2 | &vc4_hdmi->mutex | ||
| HALF_LOCKED2 | global &drm_unplug_srcu |
drivers/gpu/drm/nouveau/dispnv50/disp.c nv50_hdmi_enable() -> drm_scdc_readb()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | adapter | 1-u64max |
| PARAM_VALUE | 1 | offset | 32 |
| PARAM_VALUE | 2 | value | 3129953096777576448 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &pool->lock | ||
| HALF_LOCKED2 | &state->dev->mode_config.connection_mutex | ||
| HALF_LOCKED2 | &state->dev->mode_config.connection_mutex.mutex |
drivers/gpu/drm/vc4/vc4_hdmi.c vc4_hdmi_reset_link() -> drm_scdc_readb()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | adapter->bus_lock.rtmutex.waiters.rb_leftmost->rb_right | 0 |
| PARAM_VALUE | 1 | offset | 32 |
| PARAM_VALUE | 2 | value | 2063523559777374208 |
| TASK_NOT_RUNNING | |||
| LOCK2 | &crtc->mutex | ||
| LOCK2 | &drm->mode_config.connection_mutex | ||
| LOCK2 | &vc4_hdmi->mutex | ||
| HALF_LOCKED2 | &connector->dev->mode_config.connection_mutex | ||
| HALF_LOCKED2 | &connector->dev->mode_config.connection_mutex | ||
| HALF_LOCKED2 | &connector->state->crtc->mutex | ||
| HALF_LOCKED2 | &dev->mode_config.mutex | ||
| TYPE_LOCK | (struct drm_crtc)->mutex | ||
| TYPE_LOCK | (struct drm_mode_config)->connection_mutex | ||
| TYPE_LOCK | (struct vc4_hdmi)->mutex |