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authorSean Paul <seanpaul@chromium.org>2014-07-17 11:25:18 -0400
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-07-18 15:39:30 +0200
commit008f40451d0e59f220a4fa13aaf75d04303a01a1 (patch)
treee73ceb1d5da4d7ec1f340a3f90f54dba11b4eb90
parentbf3719c04ee3322b0f6d13c078e3ca4c3b7e3ead (diff)
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>
-rw-r--r--drivers/gpu/drm/drm_edid.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index dfa9769b26b5..087d6080bc1d 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])