linux-kernel - Re: [PATCH] [AGP] intel_agp: Add support for Intel 4 series chipsets

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Message-ID: <20080619005510.GA22454@zhen-devel.sh.intel.com>
Date:	Thu, 19 Jun 2008 08:55:10 +0800
From:	Zhenyu Wang <zhenyu.z.wang@...el.com>
To:	Dave Airlie <airlied@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] [AGP] intel_agp: Add support for Intel 4 series
	chipsets

On 2008.06.18 15:34:07 +0800, Zhenyu Wang wrote:
> Thanks, updated as below with typo and indent fix.
> 
> [AGP] intel_agp: Add support for Intel 4 series chipsets
> 

I believe now that this one might be better to be split,
as it does contain a fix on IGD_GM chipset for extra stolen
memory size available, and it's good to be included in 2.6.26.
New Intel 4 series chipset enabling patch could be queued for
next kernel.

---

[AGP] intel_agp: extra stolen mem size available for IGD_GM chipset

This adds missing stolen memory size detect for IGD_GM, be sure to
detect right size as current X intel driver (2.3.2) which has already
worked out.

Signed-off-by: Zhenyu Wang <zhenyu.z.wang@...el.com>
---
 drivers/char/agp/intel-agp.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index eeea50a..ba9718f 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -565,13 +565,13 @@ static void intel_i830_init_gtt_entries(void)
 				gtt_entries = 0;
 			break;
 		case G33_GMCH_GMS_STOLEN_128M:
-			if (IS_G33)
+			if (IS_G33 || IS_I965)
 				gtt_entries = MB(128) - KB(size);
 			else
 				gtt_entries = 0;
 			break;
 		case G33_GMCH_GMS_STOLEN_256M:
-			if (IS_G33)
+			if (IS_G33 || IS_I965)
 				gtt_entries = MB(256) - KB(size);
 			else
 				gtt_entries = 0;
-- 
1.5.4

-- 
Open Source Technology Center, Intel ltd.

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