From 942b500e24fba25e3e047c7756b75a2782076512 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <skeggsb@gmail.com>
Date: Mon, 7 Jan 2008 18:18:51 +1100
Subject: [PATCH] nv50: oops, lost some state saving along the way somewhere.

xf86-video-nv will now work again after nouveau.
---
 shared-core/nv50_instmem.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/shared-core/nv50_instmem.c b/shared-core/nv50_instmem.c
index c80574a9..9687ecbb 100644
--- a/shared-core/nv50_instmem.c
+++ b/shared-core/nv50_instmem.c
@@ -69,6 +69,10 @@ nv50_instmem_init(struct drm_device *dev)
 		return -ENOMEM;
 	dev_priv->Engine.instmem.priv = priv;
 
+	/* Save state, will restore at takedown. */
+	for (i = 0x1700; i <= 0x1710; i+=4)
+		priv->save1700[(i-0x1700)/4] = NV_READ(i);
+
 	/* Reserve the last MiB of VRAM, we should probably try to avoid
 	 * setting up the below tables over the top of the VBIOS image at
 	 * some point.