These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / gpu / drm / rockchip / rockchip_drm_fb.c

diff --git a/kernel/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/kernel/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
index 77d5289..002645b 100644 (file)
--- a/kernel/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
+++ b/kernel/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
@@ -162,7 +162,8 @@ static void rockchip_drm_output_poll_changed(struct drm_device *dev)
        struct rockchip_drm_private *private = dev->dev_private;
        struct drm_fb_helper *fb_helper = &private->fbdev_helper;
 
-       drm_fb_helper_hotplug_event(fb_helper);
+       if (fb_helper)
+               drm_fb_helper_hotplug_event(fb_helper);
 }
 
 static const struct drm_mode_config_funcs rockchip_drm_mode_config_funcs = {