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[188.141.3.146]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-454dd4b32d8sm13751625e9.17.2025.07.10.02.15.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 10 Jul 2025 02:15:23 -0700 (PDT) Message-ID: Date: Thu, 10 Jul 2025 10:15:22 +0100 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 6/7] arm64: dts: qcom: qcm2290: Add Venus video node To: Dikshita Agarwal , Jorge Ramirez-Ortiz , quic_vgarodia@quicinc.com, krzk+dt@kernel.org, konradybcio@kernel.org, mchehab@kernel.org, robh@kernel.org, conor+dt@kernel.org, andersson@kernel.org, amit.kucheria@oss.qualcomm.com Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250708180530.1384330-1-jorge.ramirez@oss.qualcomm.com> <20250708180530.1384330-7-jorge.ramirez@oss.qualcomm.com> <8f30092c-0e17-6f4d-f3f1-769508d2f58e@quicinc.com> From: Bryan O'Donoghue Content-Language: en-US In-Reply-To: <8f30092c-0e17-6f4d-f3f1-769508d2f58e@quicinc.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 10/07/2025 09:57, Dikshita Agarwal wrote: >> + iommus = <&apps_smmu 0x860 0x0>, >> + <&apps_smmu 0x880 0x0>, >> + <&apps_smmu 0x861 0x04>, >> + <&apps_smmu 0x863 0x0>, >> + <&apps_smmu 0x804 0xe0>; > What’s the rationale behind having five entries here? > could you share the use-cases that justify this configuration? Already getting in trouble with non-pixel/secure # of iommus. Why not specify the maximum expected number hardware supports, specifically so we don't end up buried under incomplete schema again ? --- bod