Attachment 12028 Details for Bug 12637 – proposed fix

[patch] proposed fix

0001-G80-Unwedge-the-hardware-if-the-BIOS-left-it-stuck.patch (text/plain), 1.19 KB, created by Aaron Plattner on 2007-10-13 14:40:47 UTC

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Creator: Aaron Plattner

Created: 2007-10-13 14:40:47 UTC

Size: 1.19 KB

patch

obsolete

>From fe75c048e3bbd9c663bb51e09fabbb885ee62453 Mon Sep 17 00:00:00 2001
>From: Aaron Plattner <aplattner@nvidia.com>
>Date: Sat, 13 Oct 2007 14:36:49 -0700
>Subject: [PATCH] G80: Unwedge the hardware if the BIOS left it stuck.
>
>---
> src/g80_display.c |   11 ++++++++++-
> 1 files changed, 10 insertions(+), 1 deletions(-)
>
>diff --git a/src/g80_display.c b/src/g80_display.c
>index 6c95773..dda1c7f 100644
>--- a/src/g80_display.c
>+++ b/src/g80_display.c
>@@ -250,6 +250,7 @@ Bool
> G80DispInit(ScrnInfoPtr pScrn)
> {
>     G80Ptr pNv = G80PTR(pScrn);
>+    CARD32 val;
> 
>     if(pNv->reg[0x00610024/4] & 0x100) {
>         pNv->reg[0x00610024/4] = 0x100;
>@@ -258,7 +259,15 @@ G80DispInit(ScrnInfoPtr pScrn)
>     }
> 
>     pNv->reg[0x00610200/4] = 0x2b00;
>-    while((pNv->reg[0x00610200/4] & 0x1e0000) != 0);
>+    do {
>+        val = pNv->reg[0x00610200/4];
>+
>+        if ((val & 0x9f0000) == 0x20000)
>+            pNv->reg[0x00610200/4] = val | 0x800000;
>+
>+        if ((val & 0x3f0000) == 0x30000)
>+            pNv->reg[0x00610200/4] = val | 0x200000;
>+    } while ((val & 0x1e0000) != 0);
>     pNv->reg[0x00610300/4] = 1;
>     pNv->reg[0x00610200/4] = 0x1000b03;
>     while(!(pNv->reg[0x00610200/4] & 0x40000000));
>-- 
>1.5.2.5
>

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Attachments on bug 12637: 12003 | 12004 | 12005 | 12017 | 12028 | 12029

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