Re: [PATCH] iommu/amd: Override wrong IVRS IOAPIC on Raven Ridge systems

2019-08-14 Thread Joerg Roedel
On Tue, Aug 13, 2019 at 11:58:48AM +0800, Kai-Heng Feng wrote: > 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. > > > >

Re: [PATCH] iommu/amd: Override wrong IVRS IOAPIC on Raven Ridge systems

2019-08-12 Thread Kai-Heng Feng
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

Re: [PATCH] iommu/amd: Override wrong IVRS IOAPIC on Raven Ridge systems

2019-08-09 Thread Joerg Roedel
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

[PATCH] iommu/amd: Override wrong IVRS IOAPIC on Raven Ridge systems

2019-08-08 Thread Kai-Heng Feng
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. BugLink: https://bugs.launchpad.net/bugs/1795292 BugLink: