From 04130ac6b705aa49161fb6dae83ad0bdd76e89d9 Mon Sep 17 00:00:00 2001
From: Wang Zhenyu <zhenyu.z.wang@intel.com>
Date: Wed, 11 Jul 2007 11:42:56 +0800
Subject: [PATCH] Fix i915 rendering for tiled buffer

Make it to check fence register for dest buffer.
---
 src/i915_render.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/i915_render.c b/src/i915_render.c
index 2148883a..9d5bc0a6 100644
--- a/src/i915_render.c
+++ b/src/i915_render.c
@@ -373,12 +373,9 @@ i915_prepare_composite(int op, PicturePtr pSrcPicture,
 	CARD32 ss2;
 
 	BEGIN_LP_RING(16);
-	/* color buffer
-	 * XXX: Need to add USE_FENCE if we ever tile the X Server's pixmaps or
-	 * visible screen.
-	 */
 	OUT_RING(_3DSTATE_BUF_INFO_CMD);
-	OUT_RING(BUF_3D_ID_COLOR_BACK| BUF_3D_PITCH(dst_pitch));
+	OUT_RING(BUF_3D_ID_COLOR_BACK| BUF_3D_USE_FENCE|
+		BUF_3D_PITCH(dst_pitch));
 	OUT_RING(BUF_3D_ADDR(dst_offset));
 
 	OUT_RING(_3DSTATE_DST_BUF_VARS_CMD);