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Mon, 01 Jul 2024 06:01:50 -0700 (PDT) Received: from myrica ([2.221.137.100]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3675a0d8cd8sm9956632f8f.27.2024.07.01.06.01.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Jul 2024 06:01:50 -0700 (PDT) Date: Mon, 1 Jul 2024 14:02:07 +0100 From: Jean-Philippe Brucker To: Will Deacon Cc: lpieralisi@kernel.org, kw@linux.com, robh@kernel.org, bhelgaas@google.com, krzk+dt@kernel.org, conor+dt@kernel.org, liviu.dudau@arm.com, sudeep.holla@arm.com, joro@8bytes.org, robin.murphy@arm.com, nicolinc@nvidia.com, ketanp@nvidia.com, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, devicetree@vger.kernel.org Subject: Re: [PATCH v2 0/3] Enable PCIe ATS for devicetree boot Message-ID: <20240701130207.GB2414@myrica> References: <20240607105415.2501934-2-jean-philippe@linaro.org> <20240701102400.GA2414@myrica> <20240701115723.GA1732@willie-the-truck> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240701115723.GA1732@willie-the-truck> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240701_060154_880239_2F5F83CB X-CRM114-Status: GOOD ( 18.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jul 01, 2024 at 12:57:23PM +0100, Will Deacon wrote: > On Mon, Jul 01, 2024 at 11:24:00AM +0100, Jean-Philippe Brucker wrote: > > On Fri, Jun 07, 2024 at 11:54:13AM +0100, Jean-Philippe Brucker wrote: > > > Before enabling Address Translation Support (ATS) in endpoints, the OS > > > needs to confirm that the Root Complex supports it. Obtain this > > > information from the firmware description since there is no architected > > > method. ACPI provides a bit via IORT tables, so add the devicetree > > > equivalent. > > > > > > Since v1 [1] I added the review and ack tags, thanks all. This should be > > > ready to go via the IOMMU tree. > > > > This series enables ATS for devicetree boot, and is needed on an Nvidia > > system: https://lore.kernel.org/linux-arm-kernel/ZeJP6CwrZ2FSbTYm@Asurada-Nvidia/ > > > > Would you mind picking it up for v6.11? > > I'll take a look. Thanks Will, coming back from holidays I hadn't seen Joerg's announce from Friday before sending this Thanks, Jean