[PATCH] drm: Check for connection_mutex in drm_select_eld
Sean Paul
seanpaul at chromium.org
Thu Jul 17 08:25:18 PDT 2014
drm_select_eld should check for mode_config.connection_mutex as
well as mode_config.mutex
Signed-off-by: Sean Paul <seanpaul at chromium.org>
---
drivers/gpu/drm/drm_edid.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index dfa9769..087d608 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -3305,6 +3305,7 @@ struct drm_connector *drm_select_eld(struct drm_encoder *encoder,
struct drm_device *dev = encoder->dev;
WARN_ON(!mutex_is_locked(&dev->mode_config.mutex));
+ WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
list_for_each_entry(connector, &dev->mode_config.connector_list, head)
if (connector->encoder == encoder && connector->eld[0])
--
2.0.0
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