drm/udl: Remove DRM_CONNECTOR_POLL_HPD

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")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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+
Link: https://patchwork.freedesktop.org/patch/msgid/20240510154841.11370-2-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index 7702359c90c22594666347b6cc9d271db01df4bd..751da3a294c44cfd14d1410c1637cf3cfd27116a 100644 (file)
--- 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;