Merge tag 'driver-core-4.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git...

[karo-tx-linux.git] / drivers / gpu / drm / exynos / exynos_drm_dsi.c

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index a11b79596e2f8d483c113b78d1df7568d59a48d4..b6a46d9a016e57982f69a6e6a02444996cb19cb5 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1651,8 +1651,6 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi)
                return ret;
 
        dsi->bridge_node = of_graph_get_remote_node(node, DSI_PORT_IN, 0);
-       if (!dsi->bridge_node)
-               return -EINVAL;
 
        return 0;
 }
@@ -1687,9 +1685,11 @@ static int exynos_dsi_bind(struct device *dev, struct device *master,
                return ret;
        }
 
-       bridge = of_drm_find_bridge(dsi->bridge_node);
-       if (bridge)
-               drm_bridge_attach(encoder, bridge, NULL);
+       if (dsi->bridge_node) {
+               bridge = of_drm_find_bridge(dsi->bridge_node);
+               if (bridge)
+                       drm_bridge_attach(encoder, bridge, NULL);
+       }
 
        return mipi_dsi_host_register(&dsi->dsi_host);
 }