drm/rockchip: boot_logo: ignore display route when it's not available

Change-Id: I093b4edeb17c8b1159220618a43f7552070c6001
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index c76da606a7f4a7ae1ffab8c6e4a3573698a19a0b..22183397259e8fdf4372530355735a7b796ac123 100644 (file)
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -505,6 +505,9 @@ static void show_loader_logo(struct drm_device *drm_dev)
        state->acquire_ctx = mode_config->acquire_ctx;
 
        for_each_child_of_node(root, route) {
+               if (!of_device_is_available(route))
+                       continue;
+
                set = of_parse_display_resource(drm_dev, route);
                if (!set)
                        continue;