[PATCH 2/2] drm: record monitor status in output_poll_execute

From: Keith Packard
Date: Fri Nov 26 2010 - 13:46:31 EST


In order to correctly report monitor connected status changes, the
previous monitor status must be recorded in the connector->status
value instead of being discarded.

Signed-off-by: Keith Packard <keithp@xxxxxxxxxx>
---
drivers/gpu/drm/drm_crtc_helper.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 232ee93..7ca5935 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -848,7 +848,7 @@ static void output_poll_execute(struct work_struct *work)
struct delayed_work *delayed_work = to_delayed_work(work);
struct drm_device *dev = container_of(delayed_work, struct drm_device, mode_config.output_poll_work);
struct drm_connector *connector;
- enum drm_connector_status old_status, status;
+ enum drm_connector_status old_status;
bool repoll = false, changed = false;

if (!drm_kms_helper_poll)
@@ -873,8 +873,9 @@ static void output_poll_execute(struct work_struct *work)
!(connector->polled & DRM_CONNECTOR_POLL_HPD))
continue;

- status = connector->funcs->detect(connector, false);
- if (old_status != status)
+ connector->status = connector->funcs->detect(connector, false);
+ DRM_DEBUG_KMS("connector status updated to %d\n", connector->status);
+ if (old_status != connector->status)
changed = true;
}

--
1.7.2.3

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