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authorLespiau, Damien <damien.lespiau@intel.com>2013-05-10 12:36:44 +0000
committerDave Airlie <airlied@redhat.com>2013-05-13 12:13:06 +1000
commitb2dfcae3cc6802e897556e09541080309cfdec60 (patch)
tree2b312b760dad9d905773bfa97fe4b083c492665c /drivers
parented7951dc13aad4a14695ec8122e9f0e2ef25d39e (diff)
downloadlinux-b2dfcae3cc6802e897556e09541080309cfdec60.tar.bz2
drm: Only print a debug message when the polled connector has changed
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/drm_crtc_helper.c19
1 files 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);