[AMD Public Use] > -----Original Message----- > From: [email protected] <[email protected]> > Sent: Friday, August 28, 2020 11:30 AM > To: Deucher, Alexander <[email protected]> > Cc: Kuehling, Felix <[email protected]>; Joerg Roedel > <[email protected]>; [email protected]; Huang, Ray > <[email protected]>; Koenig, Christian <[email protected]>; > Lendacky, Thomas <[email protected]>; Suthikulpanit, Suravee > <[email protected]>; [email protected] > Subject: Re: [PATCH 0/2] iommu/amd: Fix IOMMUv2 devices when SME is > active > > On Fri, Aug 28, 2020 at 03:11:32PM +0000, Deucher, Alexander wrote: > > There are hw bugs on Raven and probably Carrizo/Stoney where they need > > 1:1 mapping to avoid bugs in some corner cases with the displays. > > Other GPUs should be fine. The VIDs is 0x1002 and the DIDs are 0x15dd > > and 0x15d8 for raven variants and 0x9870, 0x9874, 0x9875, 0x9876, > > 0x9877 and 0x98e4 for carrizo and stoney. As long as we preserve the > > 1:1 mapping for those asics, we should be fine. > > Okay, Stoney at least has no Zen-based CPU, so no support for memory > encryption anyway. How about Raven, is it paired with a Zen CPU?
Ah, right, So CZ and ST are not an issue. Raven is paired with Zen based CPUs. Thanks, Alex
