From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f176.google.com (mail-pl1-f176.google.com [209.85.214.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 507F33C37A5 for ; Sun, 14 Jun 2026 14:51:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.176 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781448700; cv=none; b=bWRCNL5Z20RTqLZJ5Sm72kE9EECjlzBPUiNr+cXhE8pJtTs4SGhsheXBQuzLg5Pf1uZwANTqtQXO77bcEYo8Gmy0mAHK/QsHYBdXaJyx2rG7SukZOZR0Uu9dZYLkjapeFjn8lM/aA0exeEnCm+we3WDYXq/hkoK3RpnmiyuDoO0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781448700; c=relaxed/simple; bh=Q0X/qpV6OiVig0rnFyHw8H0kYx8sjAI6G3zKCiw3d2E=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=dKkJM871iHPTmMobAjtxhewNvNj399hShmKESV7ydJCepmfP0Qft8zexhVNYw1GR5FG2QnOHRUxFtgpo5YYftzoL9mppmlUdvrbMLKqIb/ljiHLM9Vktq73B9rGtuCXFm8kMCtBZv5d/t0QYwvt6pJGLzkpdrCK8UZb0uuBHfm4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=quora.org; spf=pass smtp.mailfrom=quora.org; dkim=pass (1024-bit key) header.d=quora.org header.i=@quora.org header.b=Lsam92mS; arc=none smtp.client-ip=209.85.214.176 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=quora.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quora.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=quora.org header.i=@quora.org header.b="Lsam92mS" Received: by mail-pl1-f176.google.com with SMTP id d9443c01a7336-2c0b944f6edso27003865ad.2 for ; Sun, 14 Jun 2026 07:51:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quora.org; s=google; t=1781448696; x=1782053496; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=L4soJXbEiJIWDYO1GkRrtkxYao7UqwnYefJpu0d9FEg=; b=Lsam92mSl0nTo27mMh8oeftkiUHTCHehN9A8aq09+rk5bHVEo15opw7svRzCmDkt24 UjGovlhslnlsBpAdQ8iwWwCOPWZ4lyxcXIKsds+xqWe7jS4W4gpinyxc9lVbf2x2MF6W vly6y+DpFr2MoRn71Nse4kxd+RYGhgLIh/cAk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781448696; x=1782053496; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=L4soJXbEiJIWDYO1GkRrtkxYao7UqwnYefJpu0d9FEg=; b=m/RYatWPTOcfaTkNe40819M0uXdNbFXLkk00VjGJO0JQkpsyPQg6U6LuIOiJ9hqR+u vOtS9a6ivu0z5TsyIlNm2Zdba37aCU+zSyQl9oSkPS/znGezHNZx/Avg+eevZgAvg8CV kBIAcx5E1Qxq6BoC2fPySfl0PDxVLWLrUIYkiD5Nsa76/z3pakOzcNR1sY+RiPMBxHXd nOHaGo+yrqyUpM66dJAM1soZ0MQX9ZLpUqkjmLoQE54t2WUJspx+mPvfG2lT4bpee2PH JSIOcKt+2ILvHLww/pOfanSnCNc5DZdSeOOebQjsvnIwGlCEzHt+rvdUtUjP6mflo6FV yJfA== X-Forwarded-Encrypted: i=1; AFNElJ9v4pSfKYA6404Owt7Z8bkBQKftDKHlkc3aJuoqTltiDMH76zQxmf8LznhfBJldWigXLBxWK/u9oDbzFA==@vger.kernel.org X-Gm-Message-State: AOJu0Yx5Rsxe9Nd8FuVewFbDXuMIeLmZv3k8y4wPw8JRAEnv0EE3Leml hRfXXV2WD3iAI2mZlyjXsGs9YAj14PXgPoxxjrsLOTErxyKCaUIlWjjg4HmRgxc6e1I= X-Gm-Gg: Acq92OF1UiMJksXN2NXOd21KPTdCHGsuMO9P2wW06R2MFvunrxPMwFlt23WF5LRNURg 2z+is+DSIcOzyPPS1QOXys3yQWUIpAucakLv5qYh6sxI4aSvGEy4hsb+5OENu5W07hswOvToccI TT9Ww+P3fzNxaGlEroFgKdSFsYWuVoq3GO6ZaP+5EbgZro5B4IHq0MVWXvZPmNV7LmCuoz2cFZq MdWvzh6jscV9P6gstbsOD1NuzYS6EWR21UZNbv0M2dooy7VsgDcLSvu55B2n2HgOSWOH8iGfTZ2 pimKvvbrPtsPy2pFP9uMwevVQcy8kMX67Qsu7iYHOfXtKIo/cEQ5h9lnX/SOU0Gp/Qby2d1EFs/ meWIvlTe0P6wpAhWiQw2WsZymFgJUWAXVEQMKxch9vsIA936kLwpNowe/FBhRlf6zZVO1qELWIf eGZdwe6FIlcKtfxMufy/tiNB+esr+i3E5ww9OBE/cXoTAgUmpAihnbXalGG02Kd1JcHo8vsEn9k meNO3QdQUUumVGNsca+5NzKz2rVDgFFfFNzMUsdyI0lWQaaWs6Fp1Gc2m7MZaPVDMvmeT9FSlQu iPln75MjistP9YcY3MFNKrW5qwD2DLb2vt9jf5x45UNGJJyps3lM2WcAXtpvmQ== X-Received: by 2002:a17:902:ebc7:b0:2bd:5ab:af95 with SMTP id d9443c01a7336-2c664082585mr87995225ad.0.1781448696479; Sun, 14 Jun 2026 07:51:36 -0700 (PDT) Received: from aegis ([2001:fd8:4d03:c800:f499:6f6c:fbd4:8f]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2c4327acca5sm66746385ad.51.2026.06.14.07.51.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Jun 2026 07:51:36 -0700 (PDT) From: Daniel J Blueman To: "Bryan O'Donoghue" , Vikash Garodia , Abhinav Kumar , Bjorn Andersson , Konrad Dybcio Cc: Daniel J Blueman , Mauro Carvalho Chehab , Stephan Gerhold , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH v2 1/2] dt-bindings: media: qcom,sm8550-iris: Allow IOVA reservation memory-region Date: Sun, 14 Jun 2026 22:51:11 +0800 Message-ID: <20260614145113.84243-1-daniel@quora.org> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit In addition to the firmware-loaded codec carveout, some Iris platforms need to declare an IOMMU IOVA reservation (a reserved-memory node with iommu-addresses) to keep DMA away from IOVA ranges that earlier firmware stages have already mapped through the SMMU. Permit a second memory-region phandle for this purpose, and describe the meaning of each entry so the ordering is unambiguous. Fixes: 9065340ac04d ("arm64: dts: qcom: x1e80100: Add IRIS video codec") Cc: stable@vger.kernel.org Signed-off-by: Daniel J Blueman --- v2: - drop redundant maxItems, keeping the items descriptions (Rob) - add Fixes tag and Cc stable for the backport dependency v1: https://lore.kernel.org/lkml/20260601041336.9497-1-daniel@quora.org/ .../devicetree/bindings/media/qcom,sm8550-iris.yaml | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/media/qcom,sm8550-iris.yaml b/Documentation/devicetree/bindings/media/qcom,sm8550-iris.yaml index 9c4b760508b5..5abcaee4101c 100644 --- a/Documentation/devicetree/bindings/media/qcom,sm8550-iris.yaml +++ b/Documentation/devicetree/bindings/media/qcom,sm8550-iris.yaml @@ -80,7 +80,10 @@ properties: dma-coherent: true memory-region: - maxItems: 1 + minItems: 1 + items: + - description: Firmware-loaded codec carveout + - description: IOMMU IOVA reservation region operating-points-v2: true -- 2.53.0