Hi Doug, > On Wed, Mar 30, 2022 at 9:03 AM Sankeerth Billakanti > <quic_sbillaka@xxxxxxxxxxx> wrote: > > > > @@ -1374,6 +1382,12 @@ static int dp_pm_resume(struct device *dev) > > dp_catalog_ctrl_hpd_config(dp->catalog); > > > > > > + if (dp->dp_display.connector_type == > DRM_MODE_CONNECTOR_DisplayPort) > > + dp_catalog_hpd_config_intr(dp->catalog, > > + DP_DP_HPD_PLUG_INT_MASK | > > + DP_DP_HPD_UNPLUG_INT_MASK, > > + true); > > + > > nit: why are there two blank lines above? > > Will remove a blank line. > > @@ -1639,6 +1653,9 @@ void dp_bridge_enable(struct drm_bridge > *drm_bridge) > > return; > > } > > > > + if (dp->connector_type == DRM_MODE_CONNECTOR_eDP) > > + dp_hpd_plug_handle(dp_display, 0); > > + > > Should you add a "pre_enable" and do it there? That would make it more > symmetric with the fact that you have the countertpart in "post_disable". > We want to handle the screen off or eDP disable like a cable unplug so that it can be integrated into the dp code. So, we can move plug_handle into pre_enable and the unplug_handle to pre_disable. If we do unplug in post_disable, we need to handle the state changes also. It will complicate the driver code. > > Overall: I'm probably not familiar enough with this code to give it a full > review. I'm hoping that Dmitry knows it well enough... ;-) > > > -Doug Thank you, Sankeerth