Commit 341b2be2 authored by Alex Deucher's avatar Alex Deucher Committed by Zefan Li

drm/radeon: take the mode_config mutex when dealing with hpds (v2)

commit 39fa10f7 upstream.

Since we are messing with state in the worker.

v2: drop the changes in the mst worker
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarZefan Li <lizefan@huawei.com>
parent c6458847
......@@ -51,10 +51,12 @@ static void radeon_hotplug_work_func(struct work_struct *work)
struct drm_mode_config *mode_config = &dev->mode_config;
struct drm_connector *connector;
mutex_lock(&mode_config->mutex);
if (mode_config->num_connector) {
list_for_each_entry(connector, &mode_config->connector_list, head)
radeon_connector_hotplug(connector);
}
mutex_unlock(&mode_config->mutex);
/* Just fire off a uevent and let userspace tell us what to do */
drm_helper_hpd_irq_event(dev);
}
......
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