From patchwork Wed Sep 18 22:57:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Dybcio X-Patchwork-Id: 829439 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 CF7B61CBEBE; Wed, 18 Sep 2024 22:58:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726700299; cv=none; b=bLhDuYITrBlfRVFqJfVJzkQp7xrkLw15HEvvNFb8DTuhsgsrRNQRo6Mgkj0LbkIdMK/KcVo8z33rvoFVXGuwpZ+CgGHSL9ccUUvW8iCRTon36jslAi/rEaUDCMIRUvqQwshPSpiHMXpMeGlgk607fSp5I6FU1WK7vwxoEfYrJqc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726700299; c=relaxed/simple; bh=QBoB4Ot7K+O4Obyl3HKNUXhThAi16EowUegHMtqCUIM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=eiqOeDfStMLgcGlEcVcE2JUPEsHs+ZWYV7t+kLolREhwLltQceWUlZ1BQJPXPUOeHASqBr5n6W1d0wu/Fi06Kj3HRegduKd+AcnIszAQt+PqjIZsCxg1XHqO+z6Vl+lRtdUHSPVhTwV0GmjpCZQZ28WkqqJe4gF09FCP+o/qa3o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SzSM6405; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="SzSM6405" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E1712C4CEC3; Wed, 18 Sep 2024 22:58:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1726700299; bh=QBoB4Ot7K+O4Obyl3HKNUXhThAi16EowUegHMtqCUIM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=SzSM6405yLBVU1koWb31yvaReURCjG9mqfPJFtEX49SRRBykYHwylAZ6DVgHtoVB3 //9W0HTWgyKPmCiju/MJAK1rn8ZCr16h9NpL19CZeDcNW7tiUuu981QV+U+4O/fyrp YNZzx5jIHfpoStjIBf6R2bnAleg8p7kUvp/gp6uvMqW5QhYmKvHAQHec1NJMnJGs7l IsAdaQS8fehXRp5XL0KUy5ejagwlA+WNkjt6sxAgJD90LP3OvNetHQH85W4x3ZexgZ XrPEL3F2kQcd8YkyyQKqd5q1ukPa4ZtArGxxgec01i59yJog308C5QGLyWi+2t5sGJ UDBo4ZKioOsLw== From: Konrad Dybcio Date: Thu, 19 Sep 2024 00:57:21 +0200 Subject: [PATCH RFC 08/11] arm64: dts: qcom: sm8150: Affirm IDR0.CCTW on apps_smmu Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240919-topic-apps_smmu_coherent-v1-8-5b3a8662403d@quicinc.com> References: <20240919-topic-apps_smmu_coherent-v1-0-5b3a8662403d@quicinc.com> In-Reply-To: <20240919-topic-apps_smmu_coherent-v1-0-5b3a8662403d@quicinc.com> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , cros-qcom-dts-watchers@chromium.org Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1726700267; l=1000; i=quic_kdybcio@quicinc.com; s=20230215; h=from:subject:message-id; bh=bNTOagUjuIT9eHqmrzEiDX4QJTZgAhZ+fZt6gBTJGDA=; b=ba3+Ql0LiulBh7MP0mcaWqcqciZl8E4CMnoVuMDLBTRibQ7K+Boz0AE1d58KwaIEp74f/T7zt XZ64hG7JZKLDF7FJIu9sN8VHEt7xsIJlLGWQL6SWsNp7WMtn2ovlG7V X-Developer-Key: i=quic_kdybcio@quicinc.com; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= From: Konrad Dybcio On RPMh-based SoCs, the APPS SMMU advertizes support for cache-coherent pagetable walk via the IDR0 register. This however is not respected by the arm-smmu driver unless dma-coherent is set. Mark the node as dma-coherent to ensure this (and other) implementations take this coherency into account. Signed-off-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/sm8150.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi index 27f87835bc5595f5023319f77878a8ea4090a3f6..28e57ad885f4f64abbf429c337d45504ff2830ad 100644 --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi @@ -4296,6 +4296,7 @@ apps_smmu: iommu@15000000 { , , ; + dma-coherent; }; remoteproc_adsp: remoteproc@17300000 {