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drm: Check for connection_mutex in drm_select_eld 

drm_select_eld should check for mode_config.connection_mutex as
well as mode_config.mutex: We need that since this function checks
conector->encoder links.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
[danvet: Pimp commit message slightly.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Sean Paul 2014-07-17 11:25:18 -04:00 committed by Daniel Vetter
parent bf3719c04e
commit 008f40451d
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/drm_edid.c
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@ -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])