uvesafb: try to set mode with default timings if setting it with our own timings failed

index 2e5f1b5..853323e 100644
@@ -1218,6 +1218,7 @@ static int uvesafb_set_par(struct fb_info *info)
 	task = uvesafb_prep();
 	if (!task)
 		return -ENOMEM;
+setmode:
 	task->t.regs.eax = 0x4f02;
 	task->t.regs.ebx = mode->mode_id | 0x4000;	/* use LFB */
 

@@ -1260,10 +1261,25 @@ static int uvesafb_set_par(struct fb_info *info)
 
 	err = uvesafb_exec(task);
 	if (err || (task->t.regs.eax & 0xffff) != 0x004f) {
-		printk(KERN_ERR "uvesafb: mode switch failed (eax=0x%x, "
-				"err=%d)\n", task->t.regs.eax, err);
-		err = -EINVAL;
-		goto out;
+		/*
+		 * The mode switch might have failed because we tried to
+		 * use our own timings.  Try again with the default timings.
+		 */
+		if (crtc != NULL) {
+			printk(KERN_WARNING "uvesafb: mode switch failed "
+				"(eax=0x%x, err=%d). Trying again with "
+				"default timings.\n", task->t.regs.eax, err);
+			uvesafb_reset(task);
+			kfree(crtc);
+			crtc = NULL;
+			info->var.pixclock = 0;
+			goto setmode;
+		} else {
+			printk(KERN_ERR "uvesafb: mode switch failed (eax="
+				"0x%x, err=%d)\n", task->t.regs.eax, err);
+			err = -EINVAL;
+			goto out;
+		}
 	}
 	par->mode_idx = i;