GPU-DRM-sun4i: Delete an unnecessary check before drm_fbdev_cma_hotplug_event()

Author: Markus Elfring <elfring@users.sourceforge.net>

The drm_fbdev_cma_hotplug_event() function tests whether its argument
is NULL and then returns immediately.
Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring 
Signed-off-by: Daniel Vetter 
Link: http://patchwork.freedesktop.org/patch/msgid/cd959d92-f7d9-598c-421f-d3f40bedee10@users.sourceforge.net
---
 drivers/gpu/drm/sun4i/sun4i_framebuffer.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
 
diff --git a/drivers/gpu/drm/sun4i/sun4i_framebuffer.c b/drivers/gpu/drm/sun4i/sun4i_framebuffer.c
index a0b30c2..70688fe 100644
--- a/drivers/gpu/drm/sun4i/sun4i_framebuffer.c
+++ b/drivers/gpu/drm/sun4i/sun4i_framebuffer.c
@@ -20,8 +20,7 @@ static void sun4i_de_output_poll_changed(struct drm_device *drm)
 {
 	struct sun4i_drv *drv = drm->dev_private;
 
-	if (drv->fbdev)
-		drm_fbdev_cma_hotplug_event(drv->fbdev);
+	drm_fbdev_cma_hotplug_event(drv->fbdev);
 }
 
 static const struct drm_mode_config_funcs sun4i_de_mode_config_funcs = {