[lkml]   [2019]   [Aug]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] iommu/amd: Override wrong IVRS IOAPIC on Raven Ridge systems
at 23:39, Joerg Roedel <> wrote:

> On Thu, Aug 08, 2019 at 06:17:07PM +0800, Kai-Heng Feng wrote:
>> Raven Ridge systems may have malfunction touchpad or hang at boot if
>> incorrect IVRS IOAPIC is provided by BIOS.
>> Users already found correct "ivrs_ioapic=" values, let's put them inside
>> kernel to workaround buggy BIOS.
> Will that still work when a fixed BIOS for these laptops is released?

Do you mean that we should stop applying these quirks once a BIOS fix is

We can modify the quirk to compare BIOS version, if there’s an unlikely
BIOS update really fixes the issue.
Before that happens, I think it’s OK to let the quirks stay this way.


> Joerg

 \ /
  Last update: 2019-08-13 05:59    [W:0.167 / U:0.132 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site