From a4493a54f348e547027eff3cb1607805f39f955d Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 21 Jan 2016 09:19:02 +0000
Subject: [PATCH] igt/gem_softpin: Fix MI_STORE_DWORD_IMM for gen2-3

Before gen4, MI_STORE_DWORD was just 3 dwords long (cmd, offset, value).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 tests/gem_softpin.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tests/gem_softpin.c b/tests/gem_softpin.c
index f1885591..b686c154 100644
--- a/tests/gem_softpin.c
+++ b/tests/gem_softpin.c
@@ -391,7 +391,10 @@ static void test_noreloc(int fd)
 	for (i = 0; i < ARRAY_SIZE(object) - 1; i++) {
 		*b++ = MI_STORE_DWORD_IMM;
 		if (gen < 8) {
-			*b++ = 0;
+			if (gen < 4)
+				b[-1]--;
+			else
+				*b++ = 0;
 			*b++ = object[i].offset;
 		} else {
 			*b++ = object[i].offset;