* blocked behind the non-DP one.
*/
struct workqueue_struct *dp_wq;
+
+ /*
+ * Flag to track if long HPDs need not to be processed
+ *
+ * Some panels generate long HPDs while keep connected to the port.
+ * This can cause issues with CI tests results. In CI systems we
+ * don't expect to disconnect the panels and could ignore the long
+ * HPDs generated from the faulty panels. This flag can be used as
+ * cue to ignore the long HPDs and can be set / unset using debugfs.
+ */
+ bool ignore_long_hpd;
};
struct intel_vbt_data {
spin_unlock_irq(&dev_priv->irq_lock);
+ /* Skip calling encode hotplug handlers if ignore long HPD set*/
+ if (dev_priv->display.hotplug.ignore_long_hpd) {
+ drm_dbg_kms(&dev_priv->drm, "Ignore HPD flag on - skip encoder hotplug handlers\n");
+ mutex_unlock(&dev_priv->drm.mode_config.mutex);
+ return;
+ }
+
drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
for_each_intel_connector_iter(connector, &conn_iter) {
enum hpd_pin pin;
i915, &i915_hpd_storm_ctl_fops);
debugfs_create_file("i915_hpd_short_storm_ctl", 0644, minor->debugfs_root,
i915, &i915_hpd_short_storm_ctl_fops);
+ debugfs_create_bool("i915_ignore_long_hpd", 0644, minor->debugfs_root,
+ &i915->display.hotplug.ignore_long_hpd);
}