diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index c48f083d522a2485268c8eb80c80a92da214eda3..43a446416843884c35d27912c2e9bb2c01fff2dc 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -996,6 +996,16 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
 		if (ret)
 			goto done;
 
+		/* verify that virtual resolution >= physical resolution */
+		if (var->xres_virtual < var->xres ||
+		    var->yres_virtual < var->yres) {
+			pr_warn("WARNING: fbcon: Driver '%s' missed to adjust virtual screen size (%ux%u vs. %ux%u)\n",
+				info->fix.id,
+				var->xres_virtual, var->yres_virtual,
+				var->xres, var->yres);
+			return -EINVAL;
+		}
+
 		if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW) {
 			struct fb_var_screeninfo old_var;
 			struct fb_videomode mode;