From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2A389C98314 for ; Thu, 24 Sep 2026 12:46:19 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C322B10F509; Thu, 24 Sep 2026 12:46:14 +0000 (UTC) X-Greylist: delayed 506 seconds by postgrey-1.36 at gabe; Thu, 24 Sep 2026 11:51:12 UTC Received: from mail.8bytes.org (mail.8bytes.org [85.214.250.239]) by gabe.freedesktop.org (Postfix) with ESMTP id 9CE8910E91D for ; Thu, 24 Sep 2026 11:51:12 +0000 (UTC) Received: from 8bytes.org (p200300f6af404a00e4ccc4fdbbd66590.dip0.t-ipconnect.de [IPv6:2003:f6:af40:4a00:e4cc:c4fd:bbd6:6590]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.8bytes.org (Postfix) with ESMTPSA id 5DF211C7465; Thu, 24 Sep 2026 13:42:45 +0200 (CEST) Date: Thu, 24 Sep 2026 13:42:44 +0200 From: Joerg Roedel To: Alex Deucher Cc: Mario Limonciello , amd-gfx@lists.freedesktop.org, Suravee Suthikulpanit , Vasant Hegde , Will Deacon , Robin Murphy , "open list:AMD IOMMU (AMD-VI)" , Jatin Kataria , Boqun Feng Subject: Re: [PATCH v2 0/2] IOMMU Performance Optimization support Message-ID: References: <20260908041207.38113-1-mario.limonciello@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260908041207.38113-1-mario.limonciello@amd.com> X-Mailman-Approved-At: Thu, 24 Sep 2026 12:46:10 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Hi Alex, On Mon, Sep 07, 2026 at 11:12:05PM -0500, Mario Limonciello wrote: > Mario Limonciello (2): > iommu/amd: Add PerfOpt IOMMU performance optimization support > drm/amdgpu: Enable PerfOpt IOMMU perf optimization when GPU in > identity domain > > drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + > drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 50 +++++ > drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 12 ++ > drivers/iommu/amd/amd_iommu.h | 3 + > drivers/iommu/amd/amd_iommu_types.h | 7 + > drivers/iommu/amd/init.c | 43 +++++ > drivers/iommu/amd/iommu.c | 214 +++++++++++++++++++++ > include/linux/amd-iommu.h | 11 ++ > 8 files changed, 341 insertions(+) What is your preference on what tree this should go through? The IOMMU changes are bigger, so my preference is the iommu tree, but for that I need your Ack on the GPU part. Or let me know whether you prefer this to go through your tree. -Joerg