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Thu, 20 Jun 2024 05:45:34 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.11.0-alpha0-522-ga39cca1d5-fm-20240610.002-ga39cca1d Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: In-Reply-To: <20240616224056.29159-6-andre.przywara@arm.com> References: <20240616224056.29159-1-andre.przywara@arm.com> <20240616224056.29159-6-andre.przywara@arm.com> Date: Thu, 20 Jun 2024 21:45:13 +1200 From: "Ryan Walklin" To: "Andre Przywara" , "Joerg Roedel" , "Will Deacon" , "Robin Murphy" , "Chen-Yu Tsai" , "Jernej Skrabec" , "Samuel Holland" , "Krzysztof Kozlowski" , "Conor Dooley" , "Rob Herring" Cc: "Chris Morgan" , "Philippe Simons" , iommu@lists.linux.dev, devicetree@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v2 5/5] arm64: dts: allwinner: h616: add IOMMU node Content-Type: text/plain Hi Andre, On Mon, 17 Jun 2024, at 10:40 AM, Andre Przywara wrote: > The Allwinner H616 contains a scatter-gather IOMMU connected to some > video related devices. It's almost compatible to the one used in the H6, > though with minor incompatibilities. > > Add the DT node describing its resources, so that devices like the video > or display engine can connect to it. Thanks, tested working with the display engine on an Allwinner H700 device (Anbernic RG35XX Plus). [ 0.038060] iommu: Default domain type: Translated [ 0.038080] iommu: DMA domain TLB invalidation policy: strict mode ... [ 0.175075] sun8i-mixer 1100000.mixer: Adding to iommu group 0 Tested-by: Ryan Walklin Regards, Ryan