drm: Make the HPD status updates debug logs more readable

Instead of just printing "status updated from 1 to 2", make those enum
numbers immediately readable.

v2: Also patch output_poll_execute() (Daniel Vetter)
v3: Use drm_get_connector_status_name (Ville Syrjälä)

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> (for v1)
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index d7c449f..e7e9242 100644 (file)
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -250,6 +250,7 @@ char *drm_get_connector_status_name(enum drm_connector_status status)
        else
                return "unknown";
 }
+EXPORT_SYMBOL(drm_get_connector_status_name);
 
 /**
  * drm_mode_object_get - allocate a new modeset identifier

diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 62f45ad..9085db6 100644 (file)
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -1007,10 +1007,11 @@ static void output_poll_execute(struct work_struct *work)
                        continue;
 
                connector->status = connector->funcs->detect(connector, false);
-               DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %d to %d\n",
+               DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %s to %s\n",
                              connector->base.id,
                              drm_get_connector_name(connector),
-                             old_status, connector->status);
+                             drm_get_connector_status_name(old_status),
+                             drm_get_connector_status_name(connector->status));
                if (old_status != connector->status)
                        changed = true;
        }
@@ -1085,10 +1086,11 @@ void drm_helper_hpd_irq_event(struct drm_device *dev)
                old_status = connector->status;
 
                connector->status = connector->funcs->detect(connector, false);
-               DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %d to %d\n",
+               DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %s to %s\n",
                              connector->base.id,
                              drm_get_connector_name(connector),
-                             old_status, connector->status);
+                             drm_get_connector_status_name(old_status),
+                             drm_get_connector_status_name(connector->status));
                if (old_status != connector->status)
                        changed = true;
        }