Received: by 2002:a05:6a10:6006:0:0:0:0 with SMTP id w6csp1283370pxa; Fri, 28 Aug 2020 08:32:55 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz/UOolRocE7E0mR7B+e3Gcvfh6yENiNdb8zKxLWmlC91Pk5Zg6L8aHZHvIwBuYndvWH8wk X-Received: by 2002:a50:9f6f:: with SMTP id b102mr513901edf.272.1598628775392; Fri, 28 Aug 2020 08:32:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1598628775; cv=none; d=google.com; s=arc-20160816; b=ZRHQHvt0xLcIcXvVUAaqSPS3XaP7612qYqR8yMgk2NEVtDuYl2YxZ8xthwFHRicTyr paRNVXzulTs1LiPUggMvXm6Dj1ul2sCF3Jwga1AwEPeRm2sp05OZf4Tak1ekKc6sC++V DxKhgePnPFjTkhrWIJ0UC9lWejEU7z0Z6u0TobGpCvkTEp33ltdvMaKJ81avx9jWq1OE qbfC9Hz/HDdN/PcWvgu5L6IOYFJjRLpgilj6gnCjA8977GeI8v21Io6Ln39JAsqxppfA oppN/zsdDPGH9Q/pDlOXQWzCTxwP4AIZ8ggyb+IkDOQYk0yMkMBXmXsnlPh4EM3akiIQ G/Sg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=WqJQMIIRLN5VkpbzSVdyi1SnggivWHfrYLlpSlzkm5c=; b=MwfQvEcKMfSjH+QIR8V8gqgbgaer8YcH2fs8B4kc1ynTXA9HDwWtFMXzPEYZNeC0S5 DlsWK5Ogy+hQKX9LL1xJ39ysBR3HBRzh/HDRvcyeGxI4nJzY29J3POSRTbK9P45FbQTK eWDPVYQ3Y2Kcup7ENE9iibRArrE7bkyehdYGBKGfK/lLmdaJZNALc/S/of9uRk5xw38U 6uU2SgiswF0Bx0Ix35iVQcNkygADhB+KML/GxmKncApsHL9EWhcENRwBsrsVkO7726zz Gfrmad+zYyMexrfe/2p774QC2VAGlRSIfNTPR8m8OCAozUz8of1gqcGvp3t8nm8Zif+f 8bnQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id s13si903494eja.181.2020.08.28.08.32.32; Fri, 28 Aug 2020 08:32:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728149AbgH1P3r (ORCPT + 99 others); Fri, 28 Aug 2020 11:29:47 -0400 Received: from mx2.suse.de ([195.135.220.15]:51652 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726462AbgH1P3p (ORCPT ); Fri, 28 Aug 2020 11:29:45 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id A88D0AEA5; Fri, 28 Aug 2020 15:30:17 +0000 (UTC) Date: Fri, 28 Aug 2020 17:29:43 +0200 From: "jroedel@suse.de" To: "Deucher, Alexander" Cc: "Kuehling, Felix" , Joerg Roedel , "iommu@lists.linux-foundation.org" , "Huang, Ray" , "Koenig, Christian" , "Lendacky, Thomas" , "Suthikulpanit, Suravee" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 0/2] iommu/amd: Fix IOMMUv2 devices when SME is active Message-ID: <20200828152943.GY3354@suse.de> References: <20200824105415.21000-1-joro@8bytes.org> <34db343f-cd23-09af-3bc5-29b9d385f85d@amd.com> <20200828134639.GW3354@suse.de> <60067932-dbf4-d67b-cf11-4dd2b016ed63@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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