Commit 0a882cad authored by Ben Skeggs's avatar Ben Skeggs

drm/nouveau/kms: take mode_config mutex in connector hotplug path

fdo#93634
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
parent 2e7db87d
...@@ -983,10 +983,13 @@ nouveau_connector_hotplug(struct nvif_notify *notify) ...@@ -983,10 +983,13 @@ nouveau_connector_hotplug(struct nvif_notify *notify)
NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
mutex_lock(&drm->dev->mode_config.mutex);
if (plugged) if (plugged)
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
else else
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
mutex_unlock(&drm->dev->mode_config.mutex);
drm_helper_hpd_irq_event(connector->dev); drm_helper_hpd_irq_event(connector->dev);
} }
......
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