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[88.156.142.67]) by smtp.gmail.com with ESMTPSA id x11-20020a056512130b00b004a608ec6d8csm2228993lfu.27.2022.11.15.06.11.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Nov 2022 06:11:15 -0800 (PST) Message-ID: Date: Tue, 15 Nov 2022 15:11:14 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Subject: Re: [PATCH 1/2] media: dt-bindings: allwinner: h6-vpu-g2: Add IOMMU reference property Content-Language: en-US To: Chen-Yu Tsai , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Jernej Skrabec , Samuel Holland , Hans Verkuil Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org References: <20221115090644.3602573-1-wenst@chromium.org> <20221115090644.3602573-2-wenst@chromium.org> From: Krzysztof Kozlowski In-Reply-To: <20221115090644.3602573-2-wenst@chromium.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221115_061122_667272_4834E570 X-CRM114-Status: GOOD ( 14.09 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 15/11/2022 10:06, Chen-Yu Tsai wrote: > The Hantro G2 video decoder block sits behind an IOMMU. The device tree > binding needs a property to reference it. Without a reference for the > implementation to properly configure the IOMMU, it will fault and cause > the video decoder to fail. > > Add an "iommus" property for referring to the IOMMU port. The master ID > in the example is taken from the IOMMU fault error message on Linux, > and the number seems to match the order in the user manual's IOMMU > diagram. > > Fixes: fd6be12716c4 ("media: dt-bindings: allwinner: document H6 Hantro G2 binding") > Signed-off-by: Chen-Yu Tsai > --- Acked-by: Krzysztof Kozlowski Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel