Message-ID: <3A990148.4F113D8@itwm.uni-kl.de>
Date: Sun, 25 Feb 2001 13:57:44 +0100
From: braun@itwm.fhg.de
Organization: ITWM e. V.
MIME-Version: 1.0
To: linux-kernel@vger.kernel.org
CC: jhartmann@valinux.com
Subject: Small fix for via agpgart in 2.2.19pre13
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Sender: linux-kernel-owner@vger.kernel.org

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Hello all,

the following fix from linux-2.4.2 is not yet in 2.2.19pre.
The agpgart module can not be properly unloaded and 
reloaded without it.
(see http://uwsg.indiana.edu/hypermail/linux/kernel/0101.2/1273.html
for details)

Martin Braun
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--- linux-2.2.19-pre13/drivers/char/agp/agpgart_be.c	Sat Feb 24 13:29:30 2001
+++ linux/drivers/char/agp/agpgart_be.c	Sun Feb 25 13:32:16 2001
@@ -1304,9 +1304,11 @@
 	aper_size_info_8 *previous_size;
 
 	previous_size = A_SIZE_8(agp_bridge.previous_size);
-	pci_write_config_dword(agp_bridge.dev, VIA_ATTBASE, 0);
 	pci_write_config_byte(agp_bridge.dev, VIA_APSIZE,
 			      previous_size->size_value);
+	/* Do not disable by writing 0 to VIA_ATTBASE, it screws things up
+	 * during reinitialization.
+	 */
 }
 
 static void via_tlbflush(agp_memory * mem)

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