https://bugs.freedesktop.org/show_bug.cgi?id=93244
Bug ID: 93244
Summary: [Patch] Preserving PCI Burst Write Wait State Select
Bit
Product: xorg
Version: unspecified
Hardware: x86 (IA32)
OS: Linux (All)
Status: NEW
Severity: enhancement
Priority: medium
Component: Driver/openchrome
Assignee: openchrome-devel@lists.freedesktop.org
Reporter: kevinbr...@gmx.com
Created attachment 120329
--> https://bugs.freedesktop.org/attachment.cgi?id=120329&action=edit
[Patch] Preserving PCI Burst Write Wait State Select Bit
Preserving PCI Burst Write Wait State Select Bit.
In the process of trying to debug ACPI S3 State resume bug when an LVDS-based
DFP is used, it was discovered that OpenChrome is tinkering with PCI Burst
Write Wait State Select bit (0x3c5.0x1a[2]) on its own for no good reasons.
Typically, the option to enable 1 wait state PCI transaction in many VIA
Technologies chipset-based computers is provided in the BIOS setup, therefore,
it is prudent for OpenChrome not to tinker with this bit.
Any code references that alter this bit were removed.
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