rk_fb: fix iommu problem when hdmi plug or unplug.
[firefly-linux-kernel-4.4.55.git] / include / linux / rk_fb.h
index 1c4ec6d791e665578b2412a5b96a492222a213e6..2227a217f8911aa63c1cbb813bd61b81a2ae9501 100755 (executable)
@@ -562,6 +562,7 @@ struct rk_lcdc_driver {
 
        struct rk_fb_reg_area_data reg_area_data;
        struct mutex fb_win_id_mutex;
+       struct mutex win_config;
 
        struct completion frame_done;   /*sync for pan_display,whe we set a new
                                          frame address to lcdc register,we must