From: Ben Skeggs <bskeggs@redhat.com>
Date: Thu, 25 Feb 2010 01:53:00 +0000 (+1000)
Subject: drm/nouveau: support version 0x20 displayport tables
X-Git-Tag: v2.6.34-rc4~12^2~51^2~14
X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=c52e53fd38b195169c67a8cc9ed1af0125d2655c

drm/nouveau: support version 0x20 displayport tables

Not entirely identical to 0x21, the per-encoder table header lacks the
third init table pointer.  However, our current parsing of the table
should work just fine.

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

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index bcf843f..71247da 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -3726,7 +3726,7 @@ nouveau_bios_dp_table(struct drm_device *dev, struct dcb_entry *dcbent,
 	}
 	table = &bios->data[bios->display.dp_table_ptr];
 
-	if (table[0] != 0x21) {
+	if (table[0] != 0x20 && table[0] != 0x21) {
 		NV_ERROR(dev, "DisplayPort table version 0x%02x unknown\n",
 			 table[0]);
 		return NULL;