diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 98843c2..72b3113 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1470,9 +1470,23 @@ register_framebuffer(struct fb_info *fb_info)
 	if (!fb_info->pixmap.blit_y)
 		fb_info->pixmap.blit_y = ~(u32)0;
 
-	if (!fb_info->modelist.prev || !fb_info->modelist.next)
+	if (!fb_info->modelist.prev || !fb_info->modelist.next) {
 		INIT_LIST_HEAD(&fb_info->modelist);
 
+		/* For drivers which does not support mode setting
+		 * initialize an emulated modeline */
+		if (!fb_info->fbops->fb_check_var &&
+		     fb_info->var.pixclock == 0) {
+			char modestr[32];
+			snprintf(modestr, sizeof(modestr), "%dx%d-%d",
+				fb_info->var.xres,
+				fb_info->var.yres,
+				fb_info->var.bits_per_pixel);
+			fb_find_mode(&fb_info->var, fb_info, modestr,
+				NULL, 0, NULL, fb_info->var.bits_per_pixel);
+		}
+	}
+
 	fb_var_to_videomode(&mode, &fb_info->var);
 	fb_add_videomode(&mode, &fb_info->modelist);
 	registered_fb[i] = fb_info;