drm/nouveau: remove warning about unknown tmds table revisions

This message is apparently confusing people, and is being blamed for some
modesetting issues.  Lets remove the message, and instead replace it
with an unconditional printout of the table revision.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nouveau_bios.c

@@ -5357,19 +5357,17 @@ static int parse_bit_tmds_tbl_entry(struct drm_device *dev, struct nvbios *bios,
 	}
 
 	tmdstableptr = ROM16(bios->data[bitentry->offset]);
-
-	if (tmdstableptr == 0x0) {
+	if (!tmdstableptr) {
 		NV_ERROR(dev, "Pointer to TMDS table invalid\n");
 		return -EINVAL;
 	}
 
+	NV_INFO(dev, "TMDS table version %d.%d\n",
+		bios->data[tmdstableptr] >> 4, bios->data[tmdstableptr] & 0xf);
+
 	/* nv50+ has v2.0, but we don't parse it atm */
-	if (bios->data[tmdstableptr] != 0x11) {
-		NV_WARN(dev,
-			"TMDS table revision %d.%d not currently supported\n",
-			bios->data[tmdstableptr] >> 4, bios->data[tmdstableptr] & 0xf);
+	if (bios->data[tmdstableptr] != 0x11)
 		return -ENOSYS;
-	}
 
 	/*
 	 * These two scripts are odd: they don't seem to get run even when