1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c
index d97edd7a6e41..1be95a68d696 100644
--- a/drivers/video/sm501fb.c
+++ b/drivers/video/sm501fb.c
@@ -777,6 +777,11 @@ static int sm501fb_set_par_pnl(struct fb_info *info)
         writel(control, fbi->regs + SM501_DC_PANEL_CONTROL);
         sm501fb_sync_regs(fbi);
 
+        /* ensure the panel interface is not tristated at this point */
+
+        sm501_modify_reg(fbi->dev->parent, SM501_SYSTEM_CONTROL,
+                         0, SM501_SYSCTRL_PANEL_TRISTATE);
+
         /* power the panel up */
         sm501fb_panel_power(fbi, 1);
         return 0;