[PATCH 6/7] drm: don't unnecessarily enable the polling work
Daniel Vetter
daniel.vetter at ffwll.ch
Tue Oct 23 11:23:37 PDT 2012
... by properly checking connector->polled. This doesn't matter too
much because the polling work itself gets this slightly more right and
doesn't set repoll if there's nothing to do. But we can do better.
Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
drivers/gpu/drm/drm_crtc_helper.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index bb94b6d..bd0574a 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -952,9 +952,6 @@ static void output_poll_execute(struct work_struct *work)
if (!connector->polled || connector->polled == DRM_CONNECTOR_POLL_HPD)
continue;
- else if (connector->polled & (DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT))
- repoll = true;
-
old_status = connector->status;
/* if we are connected and don't want to poll for disconnect
skip it */
@@ -997,7 +994,8 @@ void drm_kms_helper_poll_enable(struct drm_device *dev)
return;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- if (connector->polled)
+ if (connector->polled & (DRM_CONNECTOR_POLL_CONNECT |
+ DRM_CONNECTOR_POLL_DISCONNECT))
poll = true;
}
--
1.7.11.7
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