diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hotplug.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hotplug.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c index 2e94c1413c02..3f1d7b804a66 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.c +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c @@ -283,24 +283,30 @@ intel_encoder_hotplug(struct intel_encoder *encoder, { struct drm_device *dev = connector->base.dev; enum drm_connector_status old_status; + u64 old_epoch_counter; + bool ret = false; drm_WARN_ON(dev, !mutex_is_locked(&dev->mode_config.mutex)); old_status = connector->base.status; + old_epoch_counter = connector->base.epoch_counter; connector->base.status = drm_helper_probe_detect(&connector->base, NULL, false); - if (old_status == connector->base.status) - return INTEL_HOTPLUG_UNCHANGED; - - drm_dbg_kms(&to_i915(dev)->drm, - "[CONNECTOR:%d:%s] status updated from %s to %s\n", - connector->base.base.id, - connector->base.name, - drm_get_connector_status_name(old_status), - drm_get_connector_status_name(connector->base.status)); + if (old_epoch_counter != connector->base.epoch_counter) + ret = true; - return INTEL_HOTPLUG_CHANGED; + if (ret) { + DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %s to %s (epoch counter %llu->%llu)\n", + connector->base.base.id, + connector->base.name, + drm_get_connector_status_name(old_status), + drm_get_connector_status_name(connector->base.status), + old_epoch_counter, + connector->base.epoch_counter); + return INTEL_HOTPLUG_CHANGED; + } + return INTEL_HOTPLUG_UNCHANGED; } static bool intel_encoder_has_hpd_pulse(struct intel_encoder *encoder) |