Similar with the i915 take all modeset locks for mst hotplug. This is
needed to make sure radeon holds both mode_config.mutex and
mode_config.connection_mutex when updating the connector_list, which
is the new (interim) locking regime we want for that.
Signed-off-by: Daniel Vetter <daniel.vet...@intel.com>
---
drivers/gpu/drm/radeon/radeon_dp_mst.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c
b/drivers/gpu/drm/radeon/radeon_dp_mst.c
index 257b10be5cda..e649c8ff20a0 100644
--- a/drivers/gpu/drm/radeon/radeon_dp_mst.c
+++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c
@@ -286,9 +286,9 @@ static struct drm_connector
*radeon_dp_add_mst_connector(struct drm_dp_mst_topol
drm_mode_connector_set_path_property(connector, pathprop);
drm_reinit_primary_mode_group(dev);
- mutex_lock(&dev->mode_config.mutex);
+ drm_modeset_lock_all(dev);
radeon_fb_add_connector(rdev, connector);
- mutex_unlock(&dev->mode_config.mutex);
+ drm_modeset_unlock_all(dev);
drm_connector_register(connector);
return connector;
@@ -303,12 +303,12 @@ static void radeon_dp_destroy_mst_connector(struct
drm_dp_mst_topology_mgr *mgr,
drm_connector_unregister(connector);
/* need to nuke the connector */
- mutex_lock(&dev->mode_config.mutex);
+ drm_modeset_lock_all(dev);
/* dpms off */
radeon_fb_remove_connector(rdev, connector);
drm_connector_cleanup(connector);
- mutex_unlock(&dev->mode_config.mutex);
+ drm_modeset_unlock_all(dev);
drm_reinit_primary_mode_group(dev);
--
2.1.4
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