Commit f917130f authored by Maarten Lankhorst's avatar Maarten Lankhorst Committed by Jani Nikula
Browse files

drm/i915: Flush power delayed put when connector init failed 



When intel_dp_init_connector fails, some power wells used in dp aux
communication may not be completely disabled yet. This may result in a
null pointer dereference when icl_aux_pw_to_phy() is called from
icl_combo_phy_aux_power_well_disable() after the encoder and connector
are already freed.

Signed-off-by: default avatarMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Acked-by: default avatarImre Deak <imre.deak@intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221222201804.1380963-1-maarten.lankhorst@linux.intel.com
parent c7b5abd3

drivers/gpu/drm/i915/display/intel_dp.c

+1 −0
Original line number Diff line number Diff line
@@ -5719,6 +5719,7 @@ intel_dp_init_connector(struct intel_digital_port *dig_port, 
	return true;



fail:

	intel_display_power_flush_work(dev_priv);

	drm_connector_cleanup(connector);



	return false;