iommu.lists.linux-foundation.org archive mirror
 help / color / mirror / Atom feed
From: "jroedel@suse.de" <jroedel@suse.de>
To: "Deucher, Alexander" <Alexander.Deucher@amd.com>
Cc: "Lendacky, Thomas" <Thomas.Lendacky@amd.com>,
	"Kuehling, Felix" <Felix.Kuehling@amd.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Koenig, Christian" <Christian.Koenig@amd.com>,
	"iommu@lists.linux-foundation.org"
	<iommu@lists.linux-foundation.org>,
	"Huang, Ray" <Ray.Huang@amd.com>
Subject: Re: [PATCH 0/2] iommu/amd: Fix IOMMUv2 devices when SME is active
Date: Fri, 28 Aug 2020 17:29:43 +0200	[thread overview]
Message-ID: <20200828152943.GY3354@suse.de> (raw)
In-Reply-To: <MN2PR12MB448849D3AD019749DB64A146F7520@MN2PR12MB4488.namprd12.prod.outlook.com>

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?

Regards,

	Joerg
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

  reply	other threads:[~2020-08-28 15:29 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-24 10:54 [PATCH 0/2] iommu/amd: Fix IOMMUv2 devices when SME is active Joerg Roedel
2020-08-24 10:54 ` [PATCH 1/2] iommu/amd: Do not force direct mapping " Joerg Roedel
2020-08-26 14:23   ` Deucher, Alexander
2020-08-24 10:54 ` [PATCH 2/2] iommu/amd: Do not use IOMMUv2 functionality " Joerg Roedel
2020-08-26 14:20   ` Deucher, Alexander
2020-08-26 14:14 ` [PATCH 0/2] iommu/amd: Fix IOMMUv2 devices " Deucher, Alexander
2020-08-26 15:22   ` Felix Kuehling
2020-08-26 15:25     ` Deucher, Alexander
2020-08-28 13:46       ` jroedel
2020-08-28 13:54         ` Felix Kuehling
2020-08-28 15:11           ` Deucher, Alexander
2020-08-28 15:29             ` jroedel [this message]
2020-08-28 15:47               ` Deucher, Alexander
2020-09-04 10:05                 ` Joerg Roedel
2020-09-06 16:08                   ` Deucher, Alexander
2020-09-07 10:44                     ` Joerg Roedel
2020-09-07 11:10                       ` Christian König
2020-09-08  3:38                     ` Felix Kuehling
2020-08-28 15:27           ` jroedel

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200828152943.GY3354@suse.de \
    --to=jroedel@suse.de \
    --cc=Alexander.Deucher@amd.com \
    --cc=Christian.Koenig@amd.com \
    --cc=Felix.Kuehling@amd.com \
    --cc=Ray.Huang@amd.com \
    --cc=Thomas.Lendacky@amd.com \
    --cc=iommu@lists.linux-foundation.org \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).