From b2dfcae3cc6802e897556e09541080309cfdec60 Mon Sep 17 00:00:00 2001 From: "Lespiau, Damien" Date: Fri, 10 May 2013 12:36:44 +0000 Subject: [PATCH] drm: Only print a debug message when the polled connector has changed Suggested-by: Chris Wilson Signed-off-by: Damien Lespiau Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_crtc_helper.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 9085db634092..ed1334e27c33 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -1007,13 +1007,20 @@ 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 %s to %s\n", - connector->base.id, - drm_get_connector_name(connector), - drm_get_connector_status_name(old_status), - drm_get_connector_status_name(connector->status)); - if (old_status != connector->status) + if (old_status != connector->status) { + const char *old, *new; + + old = drm_get_connector_status_name(old_status); + new = drm_get_connector_status_name(connector->status); + + DRM_DEBUG_KMS("[CONNECTOR:%d:%s] " + "status updated from %s to %s\n", + connector->base.id, + drm_get_connector_name(connector), + old, new); + changed = true; + } } mutex_unlock(&dev->mode_config.mutex);