drm/radeon: set hpd polarity at init time so hotplug detect works

Polarity needs to be set accordingly to connector status (connected
or disconnected). Set it up at module init so first hotplug works
reliably no matter what is the initial set of connector.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index ff6a2e0d9a250268948d98fb2d780b4e9689750c..22ee3527cf1f181c8b96f6d536397e85aa43e683 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -1790,6 +1790,7 @@ radeon_add_atom_connector(struct drm_device *dev,
                        connector->polled = DRM_CONNECTOR_POLL_CONNECT;
        } else
                connector->polled = DRM_CONNECTOR_POLL_HPD;
+       radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
 
        connector->display_info.subpixel_order = subpixel_order;
        drm_sysfs_connector_add(connector);