[PATCH 09/14] drm: don't poll forced connectors

Daniel Vetter daniel.vetter at ffwll.ch
Thu May 24 12:26:44 PDT 2012


Otherwise if the detect callback reports a different state than what
the user forced (rather likely), we continously annoy userspace about
a hotplug uevent.

Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/drm_crtc_helper.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 87a45de..9214612 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -948,6 +948,10 @@ static void output_poll_execute(struct work_struct *work)
 	mutex_lock(&dev->mode_config.mutex);
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 
+		/* Ignore forced connectors. */
+		if (connector->force)
+			continue;
+
 		/* Ignore HDP capable connectors and connectors where we don't
 		 * want any hotplug detection at all for polling. */
 		if (!connector->polled ||
-- 
1.7.7.6



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