Messages in this thread | | | Subject | Re: [PATCH] iommu/amd: Override wrong IVRS IOAPIC on Raven Ridge systems | From | Kai-Heng Feng <> | Date | Tue, 13 Aug 2019 11:58:48 +0800 |
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at 23:39, Joerg Roedel <joro@8bytes.org> 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 confirmed?
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.
Kai-Heng
> > > Joerg
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