Re: [PATCH v2] drm/msm/dp: call dp_hpd_plug_handle()/unplug_handle() directly for external HPD

On Fri, Apr 05, 2024 at 05:17:14PM -0700, Abhinav Kumar wrote: > From: Kuogee Hsieh > > In the external HPD case, hotplug event is delivered by pmic glink to DP > driver > using drm_aux_hpd_bridge_notify(). There can be other drivers in front of the DP chain. For example, altmode driver uses

[PATCH v2] drm/msm/dp: call dp_hpd_plug_handle()/unplug_handle() directly for external HPD

From: Kuogee Hsieh In the external HPD case, hotplug event is delivered by pmic glink to DP driver using drm_aux_hpd_bridge_notify(). The stacktrace showing the sequence of events is below: dp_bridge_hpd_notify+0x18/0x70 [msm] drm_bridge_connector_detect+0x60/0xe8 [drm_kms_helper]