diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c
index a376d17..bff7db5 100644
--- a/drivers/staging/sm750fb/sm750_hw.c
+++ b/drivers/staging/sm750fb/sm750_hw.c
@@ -322,8 +322,8 @@
 		reg |= (var->xoffset & PANEL_WINDOW_WIDTH_X_MASK);
 		POKE32(PANEL_WINDOW_WIDTH, reg);
 
-		reg = ((var->yres_virtual - 1) <<
-		       PANEL_WINDOW_HEIGHT_HEIGHT_SHIFT);
+		reg = (var->yres_virtual - 1) <<
+		      PANEL_WINDOW_HEIGHT_HEIGHT_SHIFT;
 		reg &= PANEL_WINDOW_HEIGHT_HEIGHT_MASK;
 		reg |= (var->yoffset & PANEL_WINDOW_HEIGHT_Y_MASK);
 		POKE32(PANEL_WINDOW_HEIGHT, reg);