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author | Lespiau, Damien | 2013-05-10 14:36:44 +0200 |
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committer | Dave Airlie | 2013-05-13 04:13:06 +0200 |
commit | b2dfcae3cc6802e897556e09541080309cfdec60 (patch) | |
tree | 2b312b760dad9d905773bfa97fe4b083c492665c /drivers/gpu/drm/drm_crtc_helper.c | |
parent | drm: Make the HPD status updates debug logs more readable (diff) | |
download | kernel-qcow2-linux-b2dfcae3cc6802e897556e09541080309cfdec60.tar.gz kernel-qcow2-linux-b2dfcae3cc6802e897556e09541080309cfdec60.tar.xz kernel-qcow2-linux-b2dfcae3cc6802e897556e09541080309cfdec60.zip |
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/gpu/drm/drm_crtc_helper.c')
-rw-r--r-- | drivers/gpu/drm/drm_crtc_helper.c | 19 |
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); |