linux-kernel - [PATCH] agp/intel: Fix typo in G4x_GMCH_SIZE_VT

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Date:	Tue, 12 Jul 2011 23:38:18 +0100
From:	Chris Wilson <chris@...is-wilson.co.uk>
To:	Dave Airlie <airlied@...ux.ie>
Cc:	dri-devel@...ts.freedestop.org, linux-kernel@...r.kernel.org,
	Chris Wilson <chris@...is-wilson.co.uk>,
	Konstantin Belousov <kostikbel@...il.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>
Subject: [PATCH] agp/intel: Fix typo in G4x_GMCH_SIZE_VT_2M

Konstantin Belousov found an error in the define of G4x_GMCH_SIZE_VT_2M
relative to the GMCH specs, and confirmed that indeed one of his users
with a Q45 reports 0xb not 0xc for a 2/2MiB GATT.

Signed-off-by: Chris Wilson <chris@...is-wilson.co.uk>
Cc: Konstantin Belousov <kostikbel@...il.com>
Cc: Daniel Vetter <daniel.vetter@...ll.ch>
Acked-by: Daniel Vetter <daniel.vetter@...ll.ch>
---
 drivers/char/agp/intel-agp.h |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h
index 999803c..5da67f1 100644
--- a/drivers/char/agp/intel-agp.h
+++ b/drivers/char/agp/intel-agp.h
@@ -90,9 +90,10 @@
 #define G4x_GMCH_SIZE_MASK	(0xf << 8)
 #define G4x_GMCH_SIZE_1M	(0x1 << 8)
 #define G4x_GMCH_SIZE_2M	(0x3 << 8)
-#define G4x_GMCH_SIZE_VT_1M	(0x9 << 8)
-#define G4x_GMCH_SIZE_VT_1_5M	(0xa << 8)
-#define G4x_GMCH_SIZE_VT_2M	(0xc << 8)
+#define G4x_GMCH_SIZE_VT_EN	(0x8 << 8)
+#define G4x_GMCH_SIZE_VT_1M	(G4x_GMCH_SIZE_1M | G4x_GMCH_SIZE_VT_EN)
+#define G4x_GMCH_SIZE_VT_1_5M	((0x2 << 8) | G4x_GMCH_SIZE_VT_EN)
+#define G4x_GMCH_SIZE_VT_2M	(G4x_GMCH_SIZE_2M | G4x_GMCH_SIZE_VT_EN)
 
 #define GFX_FLSH_CNTL		0x2170 /* 915+ */
 
-- 
1.7.5.4

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