DisplayLink devices do not generate hotplug events. Remove the poll flag DRM_CONNECTOR_POLL_HPD, as it may not be specified together with DRM_CONNECTOR_POLL_CONNECT or DRM_CONNECTOR_POLL_DISCONNECT.

Signed-off-by: Thomas Zimmermann tzimmermann@suse.de Fixes: afdfc4c6f55f ("drm/udl: Fixed problem with UDL adpater reconnection") Cc: Robert Tarasov tutankhamen@chromium.org Cc: Alex Deucher alexander.deucher@amd.com Cc: Dave Airlie airlied@redhat.com Cc: Sean Paul sean@poorly.run Cc: Thomas Zimmermann tzimmermann@suse.de Cc: dri-devel@lists.freedesktop.org Cc: stable@vger.kernel.org # v4.15+ --- drivers/gpu/drm/udl/udl_modeset.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c index 7702359c90c22..751da3a294c44 100644 --- a/drivers/gpu/drm/udl/udl_modeset.c +++ b/drivers/gpu/drm/udl/udl_modeset.c @@ -527,8 +527,7 @@ struct drm_connector *udl_connector_init(struct drm_device *dev)

drm_connector_helper_add(connector, &udl_connector_helper_funcs);

- connector->polled = DRM_CONNECTOR_POLL_HPD | - DRM_CONNECTOR_POLL_CONNECT | + connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;

return connector;