Quoting maitreye (2021-07-26 10:36:26)
> @@ -509,6 +515,7 @@ static int dp_display_usbpd_attention_cb(struct device *dev)
> DRM_ERROR("invalid dev\n");
> return -EINVAL;
> }
> + DRM_DEBUG_DP("sink_request: %d\n", sink_request);
This one is bad. sink_request isn't assigned yet.
>
> dp = container_of(g_dp_display,
> struct dp_display_private, dp_display);
> @@ -523,6 +530,7 @@ static int dp_display_usbpd_attention_cb(struct device *dev)
> rc = dp_link_process_request(dp->link);
> if (!rc) {
> sink_request = dp->link->sink_request;
> + DRM_DEBUG_DP("hpd_state=%d sink_count=%d\n", dp->hpd_state, sink_request);
Should that say sink_request?
> if (sink_request & DS_PORT_STATUS_CHANGED)
> rc = dp_display_handle_port_ststus_changed(dp);
> else
