linux-kernel - [PATCH] [AGPGART] intel_agp: fix stolen mem range on G33

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Message-ID: <20070905071152.GA5817@zhen-devel.sh.intel.com>
Date:	Wed, 5 Sep 2007 15:11:52 +0800
From:	Zhenyu Wang <zhenyu.z.wang@...el.com>
To:	Dave Airlie <airlied@...ux.ie>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] [AGPGART] intel_agp: fix stolen mem range on G33


Subject: [PATCH] [AGPGART] intel_agp: fix stolen mem range on G33

G33 GTT stolen memory is below graphics data
stolen memory and be seperate, so don't subtract
it in stolen mem counting.

Signed-off-by: Zhenyu Wang <zhenyu.z.wang@...el.com>
---
 drivers/char/agp/intel-agp.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 2c9ca2c..20d50d0 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -506,6 +506,11 @@ static void intel_i830_init_gtt_entries(void)
 			break;
 		}
 	} else {
+		/* G33's GTT stolen memory is seperate from gfx data
+		 * stolen memory.
+		 */
+	        if (IS_G33)
+		    size = 0;
 		switch (gmch_ctrl & I830_GMCH_GMS_MASK) {
 		case I855_GMCH_GMS_STOLEN_1M:
 			gtt_entries = MB(1) - KB(size);
-- 
1.5.2.3
-
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