diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 845da14f56d3c8c6dc3b989a9124c123be22f7aa..ea3eebcb023623d338e9ff8966cc8eeed36110ec 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -982,7 +982,7 @@ static int aty_var_to_crtc(const struct fb_info *info,
 		crtc->horz_stretching &=
 			~(HORZ_STRETCH_RATIO | HORZ_STRETCH_LOOP | AUTO_HORZ_RATIO |
 			HORZ_STRETCH_MODE | HORZ_STRETCH_EN);
-		if (xres < par->lcd_width) {
+		if (xres < par->lcd_width && crtc->lcd_gen_cntl & LCD_ON) {
 			do {
 				/*
 				* The horizontal blender misbehaves when HDisplay is less than a
@@ -1044,7 +1044,7 @@ static int aty_var_to_crtc(const struct fb_info *info,
 			} while (0);
 		}
 
-		if (vdisplay < par->lcd_height) {
+		if (vdisplay < par->lcd_height && crtc->lcd_gen_cntl & LCD_ON) {
 			crtc->vert_stretching = (VERT_STRETCH_USE0 | VERT_STRETCH_EN |
 				(((vdisplay * (VERT_STRETCH_RATIO0 + 1)) / par->lcd_height) & VERT_STRETCH_RATIO0));