From fe4e4c176c7d3ae9ba59d4a40f12f83a29b6151c Mon Sep 17 00:00:00 2001
From: "Xiang, Haihao" <haihao.xiang@intel.com>
Date: Fri, 11 Apr 2014 21:57:20 +0800
Subject: [PATCH] rendercopy/skl: Set the URB VS start address to 4

A value less than 4 might result in GPU hang on simulation

Signed-off-by: Xiang, Haihao <haihao.xiang@intel.com>
Signed-off-by: Ben Widawsky <benjamin.widawsky@linux.intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
---
 lib/rendercopy_gen9.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/rendercopy_gen9.c b/lib/rendercopy_gen9.c
index 8621f7fc..92265c16 100644
--- a/lib/rendercopy_gen9.c
+++ b/lib/rendercopy_gen9.c
@@ -558,7 +558,7 @@ gen7_emit_urb(struct intel_batchbuffer *batch) {
 	/* XXX: Min valid values from mesa */
 	const int vs_entries = 64;
 	const int vs_size = 2;
-	const int vs_start = 2;
+	const int vs_start = 4;
 
 	OUT_BATCH(GEN7_3DSTATE_URB_VS);
 	OUT_BATCH(vs_entries | ((vs_size - 1) << 16) | (vs_start << 25));