From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7D3B930B502; Tue, 9 Jun 2026 20:37:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781037427; cv=none; b=JQtTMGKSYaUR7Vhcsh1mKh7zFdVQrbrIV3rPkuYrsmatcVW7kIC1NBKGNF8+9RYgQ2wohm860rA0NLgGMmoW1rZNtuMoOu8a95ADjiq4SNnn1zeC7MQOHT8NFjLx3a79OKzUgAqvAjV9CcXJVGpQ3XRK00MSiKYKWmlSeLdY6gw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781037427; c=relaxed/simple; bh=CgLXwzkVLHau615G2iIpQOXEhTb7FVPobAf+TFJvR+Y=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=fikfkOPgLYdS4HYpI2uXwuBFQo42vRxY3Xxe3oLGqEW8wqOemYGlf7OzGtVt5cLW2yi3G++fNyTBPJmUcm9Ykmjoigc+99TPhzuKC+6JJCD/qseWj/RmuP3s11riRkGHeUILVPVRA9aJmRhNL07d4lry3eSTX0kAUZ4ccacvHWk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=afujyT7Y; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="afujyT7Y" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A130D1F00893; Tue, 9 Jun 2026 20:37:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781037426; bh=Y17eOu4vAxGLVyJ8KYCEYVKRupe8sOIVZrf4Uq9Q5jI=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=afujyT7YaGaQItypmjOIY4fycIhvtQ3+T3nskuKfoK78/6crMxNcQCwDEG7M6N4s0 bKH32V5gwVS2Xv2r3/LPMcJEkbmRhA/PAVC0D4h1hxClZWIwdmupjQhux6c+i3B8xS n9gBtDCMlGzhDuiIwWmTxNjwnFImLtNDnLTidr4wtvfcMT5KhyOKkMCPmr1RXRKltC SibyU1nfZIdL97gOgxYv/P7oJLit9Iez5Y8SK9+Anm3SFGbyLsCgaQUIPmvxMgEX4y tJTUjsH+8H6LSMWriW1LTNQr7v1exI++TDlGmguH9uqQLCGMEb7nL+nGJMRChWTKQ+ WqqOtoMbDlKmw== Message-ID: Date: Tue, 9 Jun 2026 21:37:02 +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 1/3] dt-bindings: media: qcom,qcm2290-venus: document shikra Iris compatible To: Vikash Garodia , Dikshita Agarwal , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jorge Ramirez-Ortiz , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260609-shikra_vpu-v1-0-3a32bb38b080@oss.qualcomm.com> <5YTsRTMAUGw0it3GAWHhKIh77_Hk823-xRJ4WxzQ-ENpdnC9-ttUvWhJI_CqFEetmFXcRel50GK_o2UMGzwZmg==@protonmail.internalid> <20260609-shikra_vpu-v1-1-3a32bb38b080@oss.qualcomm.com> From: Bryan O'Donoghue Content-Language: en-US Autocrypt: addr=bod@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 09/06/2026 17:15, Vikash Garodia wrote: > Document the iris video accelerator used on shikra platforms by adding > the qcom,shikra-iris compatible. > > Although QCM2290 and shikra share the same video hardware and overall > integration, their SMMU programming differs. QCM2290 exposes separate > stream IDs for the video hardware and the Xtensa path, requiring two > explicit IOMMU entries, whereas shikra uses a masked SMR to collapse > equivalent stream IDs into a single mapping. Due to QCM2290’s SID layout > and Xtensa isolation requirements, such SMR masking is not applicable on > QCM2290 platforms. > Since shikra uses the same video hardware as QCM2290 and shares the same > programming model and capabilities, it is added as a fallback compatible > to qcom,qcm2290-venus, with conditional handling to allow either one or > two IOMMU entries. > > Signed-off-by: Vikash Garodia > --- > .../bindings/media/qcom,qcm2290-venus.yaml | 20 ++++++++++++++++---- > 1 file changed, 16 insertions(+), 4 deletions(-) > > diff --git a/Documentation/devicetree/bindings/media/qcom,qcm2290-venus.yaml b/Documentation/devicetree/bindings/media/qcom,qcm2290-venus.yaml > index 5977e7d0a71b4fb5681f1c2094439c251366f01f..895533b9756690d075fd7729e3f805c8e72ff0df 100644 > --- a/Documentation/devicetree/bindings/media/qcom,qcm2290-venus.yaml > +++ b/Documentation/devicetree/bindings/media/qcom,qcm2290-venus.yaml > @@ -15,12 +15,27 @@ description: > > allOf: > - $ref: qcom,venus-common.yaml# > + - if: > + properties: > + compatible: > + contains: > + const: qcom,shikra-iris Should this be "iris" in a venus yaml ? > + then: > + properties: > + iommus: > + maxItems: 1 > + else: > + properties: > + iommus: > + maxItems: 2 > > properties: > compatible: > oneOf: > - items: > - - const: qcom,sm6115-venus > + - enum: > + - qcom,sm6115-venus > + - qcom,shikra-iris > - const: qcom,qcm2290-venus > - const: qcom,qcm2290-venus > > @@ -45,9 +60,6 @@ properties: > - const: vcodec0_core > - const: vcodec0_bus > > - iommus: > - maxItems: 2 > - > interconnects: > maxItems: 2 > > > -- > 2.34.1 > --- bod