DRM: Armada: destroy framebuffer after helper

Destroy the framebuffer only after the helper, since the helper may
still be referencing the framebufer at this point.

Reviewed-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

drivers/gpu/drm/armada/armada_fbdev.c

@@ -202,11 +202,11 @@ void armada_fbdev_fini(struct drm_device *dev)
 			framebuffer_release(info);
 		}
 
+		drm_fb_helper_fini(fbh);
+
 		if (fbh->fb)
 			fbh->fb->funcs->destroy(fbh->fb);
 
-		drm_fb_helper_fini(fbh);
-
 		priv->fbdev = NULL;
 	}
 }