[Openchrome-devel] [Bug 93244] New: [Patch] Preserving PCI Burst Write Wait State Select Bit

[bugzilla-daemon at freedesktop.org]

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 at lists.freedesktop.org
          Reporter: kevinbrace at 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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