From e39eb8b8c1a79d04f90a195351c4eec3dba0d612 Mon Sep 17 00:00:00 2001
From: Aaron Plattner <aplattner@nvidia.com>
Date: Wed, 28 Sep 2005 17:18:02 +0000
Subject: Bug #3333 <https://bugs.freedesktop.org/show_bug.cgi?id=3333> Patch
 #3417     <https://bugs.freedesktop.org/attachment.cgi?id=3417> Fix a hang
 during screen-to-screen blits on certain GeForce 6xxx and Quadro     FX 540
 graphics cards.

---
 src/nv_hw.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/nv_hw.c b/src/nv_hw.c
index b474074..cd7ee5a 100644
--- a/src/nv_hw.c
+++ b/src/nv_hw.c
@@ -919,7 +919,7 @@ void NVLoadStateExt (
     RIVA_HW_STATE *state
 )
 {
-    int i;
+    int i, j;
 
     pNv->PMC[0x0140/4] = 0x00000000;
     pNv->PMC[0x0200/4] = 0xFFFF00FF;
@@ -1172,6 +1172,10 @@ void NVLoadStateExt (
               pNv->PGRAPH[0x0090/4] = 0x00008000;
               pNv->PGRAPH[0x0610/4] = 0x00be3c5f;
 
+              j = pNv->REGS[0x1540/4] & 0xff;
+              for(i = 0; !(j & 1); j >>= 1, i++);
+              pNv->PGRAPH[0x5000/4] = i;
+
               if((pNv->Chipset & 0xfff0) == 0x0040) {
                  pNv->PGRAPH[0x09b0/4] = 0x83280fff;
                  pNv->PGRAPH[0x09b4/4] = 0x000000a0;
-- 
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