We receive hotplug event, but do not handle it. Set value of fake mst encoder's hpd pin to handle hotplug event. Before applying the patch: [ 36.595058] [drm:intel_get_hpd_pins [i915]] hotplug event received, stat 0x00200000, dig 0x10101012, pins 0x00000020 [ 36.595172] [drm:i915_hotplug_work_func [i915]] running encoder hotplug functions After applying the patch: [ 29.807410] [drm:intel_get_hpd_pins [i915]] hotplug event received, stat 0x00200000, dig 0x10101012, pins 0x00000020 [ 29.807524] [drm:i915_hotplug_work_func [i915]] running encoder hotplug functions [ 30.086098] [drm:i915_hotplug_work_func [i915]] Connector DP-4 (pin 5) received hotplug event. [ 30.086123] [drm:i915_hotplug_work_func [i915]] [CONNECTOR:74:DP-4] status updated from connected to disconnected [ 30.086181] [drm:intel_dp_destroy_mst_connector [i915]] [ 30.087752] [drm:drm_helper_probe_single_connector_modes [drm_kms_helper]] [CONNECTOR:74:DP-4] disconnected [ 30.091979] [drm:drm_mode_setcrtc [drm]] [CRTC:39:pipe B] Signed-off-by: Ethan Hsieh <ethan.hsieh@xxxxxxxxxxxxx> --- drivers/gpu/drm/i915/intel_dp_mst.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index 3715386..2ef9f18 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -563,6 +563,7 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port *intel_dig_port, enum intel_encoder->type = INTEL_OUTPUT_DP_MST; intel_encoder->power_domain = intel_dig_port->base.power_domain; intel_encoder->port = intel_dig_port->port; + intel_encoder->hpd_pin = intel_dig_port->base.hpd_pin; intel_encoder->crtc_mask = 0x7; intel_encoder->cloneable = 0; -- 2.7.4 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
