[Intel-gfx] [PATCH 4/4] drm: Only print a debug message when the polled connector has changed
Damien Lespiau
damien.lespiau at intel.com
Fri May 10 14:36:44 CEST 2013
Suggested-by: Chris Wilson <chris at chris-wilson.co.uk>
Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
---
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 9085db6..ed1334e 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);
--
1.8.1.4
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