Date: Tue, 10 Jun 2003 16:21:11 +0900 From: Kyunghwan Kim <redjade@atropos.snu.ac.kr> To: FreeBSD-gnats-submit@FreeBSD.org Subject: i386/53136: [patch] intel 82855 chipset support for AGP Message-ID: <20030610072111.GA13660@atropos.snu.ac.kr> Resent-Message-ID: <200306100730.h5A7U5fc038289@freefall.freebsd.org>
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>Number: 53136
>Category: i386
>Synopsis: [patch] i855 chipset support for AGP
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: freebsd-i386
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Tue Jun 10 00:30:05 PDT 2003
>Closed-Date:
>Last-Modified:
>Originator: Kyunghwan Kim
>Release: FreeBSD 5.1-CURRENT i386
>Organization:
>Environment:
>Description:
Without proper AGP offset setting,
X can't probe LCD panel size and X crashes.
>How-To-Repeat:
>Fix:
Diff against agp_intel.c revision 1.15
--- agp_intel.c.orig Tue Jun 10 07:22:17 2003
+++ agp_intel.c Tue Jun 10 07:23:45 2003
@@ -99,6 +99,9 @@
case 0x25308086:
return ("Intel 82850 host to AGP bridge");
+ case 0x33408086:
+ return ("Intel 82855 host to AGP bridge");
+
case 0x25318086:
return ("Intel 82860 host to AGP bridge");
@@ -202,6 +205,7 @@
break;
case 0x1a308086: /* i845 */
+ case 0x33408086: /* i855 */
case 0x25708086: /* i865 */
pci_write_config(dev, AGP_INTEL_I845_MCHCFG,
(pci_read_config(dev, AGP_INTEL_I845_MCHCFG, 1)
@@ -223,6 +227,7 @@
case 0x25018086: /* i820 */
case 0x1a308086: /* i845 */
case 0x25308086: /* i850 */
+ case 0x33408086: /* i855 */
case 0x25318086: /* i860 */
case 0x25708086: /* i865 */
pci_write_config(dev, AGP_INTEL_I8XX_ERRSTS, 0x00ff, 2);
@@ -267,6 +272,7 @@
& ~(1 << 1)), 1);
case 0x1a308086: /* i845 */
+ case 0x33408086: /* i855 */
case 0x25708086: /* i865 */
printf("%s: set MCHCFG to %x\n", __func__, (unsigned)
(pci_read_config(dev, AGP_INTEL_I845_MCHCFG, 1)
>Release-Note:
>Audit-Trail:
>Unformatted:
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