From mboxrd@z Thu Jan 1 00:00:00 1970 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 ECD87611E; Mon, 30 Mar 2026 04:54:50 +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=1774846491; cv=none; b=VhPoOVxTuR3Gw+Ar+0nARk+ihrjob2gpRJC1bGztULhue2uaGWSanu9SVRxFStXCelZaz559k19Wwk+pXEDgDyTXjPi+RaovYNjlXzNe+/0ZGrrTwvlSbt6bdM5bposEhJTHkEKJitYIiXzr1grQ4VhMK2ZFG9Rp7JzD+CYflNU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774846491; c=relaxed/simple; bh=GARBFP/N99oU4cHxmlPE93FsIje68UDytBptCpVarSI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=IIvAe0Wqard5LAbqiokNtWM5hTzFMdFtML7xB58vB8tjZvJbaCIWq1lCKxw9xUL8DUsNitanXuNUt+PURSPWj1aBkOTIoYGKyngGjA1zxHDZTGFccXEMtyHWUChglZFVfT8YAgl2fS29VPN0VhiKuAeGqkcYunMb2c7scHkSrsA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YFqDRF8T; 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="YFqDRF8T" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F211C4CEF7; Mon, 30 Mar 2026 04:54:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774846490; bh=GARBFP/N99oU4cHxmlPE93FsIje68UDytBptCpVarSI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=YFqDRF8Tf+moSRAhDLnoa3397jZSQssObvDkNoO+8B/BmL7YZ4VQjoJQ1Qx/zeSm5 Lwdo6y8kuqGrS4SHSev/tc12CfC4dj4GEcprCGGTq8q7277WYhnoNSRPco0GD4T2pu msObGEeMF+D0vsp1CENyQlvd5o58/jlHmpk481cwYykmCFQXZNP9fWjr95kSN77+sc Gb0+9mqb+C+rqISMufUQifglT6V7+eym3qoU1qhkCkrpUXmwb1oYQ79vGhOmFi47kf wGGn3hgy6vjy0eY4xOE+xEFkwBD8GcMdydhcP0392vSTxUmthnupTBkOpG6cSRbwne lks5cP5O3n3AA== Date: Mon, 30 Mar 2026 10:24:44 +0530 From: Sumit Garg To: Dmitry Baryshkov Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] arm64: dts: qcom: agatti: enable FastRPC on the ADSP Message-ID: References: <20260113-agatti-fastrpc-v2-1-b66870213f89@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260113-agatti-fastrpc-v2-1-b66870213f89@oss.qualcomm.com> On Tue, Jan 13, 2026 at 06:41:59PM +0200, Dmitry Baryshkov wrote: > On Agatti platform the ADSP provides FastRPC support. Add corresponding > device node, in order to be able to utilize the DSP offload from the > Linux side. > > Signed-off-by: Dmitry Baryshkov > --- > Changes in v2: > - Add more FastRPC context banks (6, 7) > - Link to v1: https://lore.kernel.org/r/20260113-agatti-fastrpc-v1-1-e210903ffcb1@oss.qualcomm.com > --- > arch/arm64/boot/dts/qcom/agatti.dtsi | 41 ++++++++++++++++++++++++++++++++++++ > 1 file changed, 41 insertions(+) > This patch causes a critical boot regression on RB1 as per the CI test report here [1]. I see this change already landed in this merge window. So, either this commit has to be reverted for v7.0 release or an appropriate fix is required. [1] https://github.com/qualcomm-linux/kernel/issues/359 -Sumit > diff --git a/arch/arm64/boot/dts/qcom/agatti.dtsi b/arch/arm64/boot/dts/qcom/agatti.dtsi > index 7815ece261ea..217d465df846 100644 > --- a/arch/arm64/boot/dts/qcom/agatti.dtsi > +++ b/arch/arm64/boot/dts/qcom/agatti.dtsi > @@ -2287,6 +2287,47 @@ q6routing: routing { > }; > }; > }; > + > + fastrpc { > + compatible = "qcom,fastrpc"; > + qcom,glink-channels = "fastrpcglink-apps-dsp"; > + label = "adsp"; > + > + qcom,non-secure-domain; > + > + #address-cells = <1>; > + #size-cells = <0>; > + > + compute-cb@3 { > + compatible = "qcom,fastrpc-compute-cb"; > + reg = <3>; > + iommus = <&apps_smmu 0x1c3 0x0>; > + }; > + > + compute-cb@4 { > + compatible = "qcom,fastrpc-compute-cb"; > + reg = <4>; > + iommus = <&apps_smmu 0x1c4 0x0>; > + }; > + > + compute-cb@5 { > + compatible = "qcom,fastrpc-compute-cb"; > + reg = <5>; > + iommus = <&apps_smmu 0x1c5 0x0>; > + }; > + > + compute-cb@6 { > + compatible = "qcom,fastrpc-compute-cb"; > + reg = <6>; > + iommus = <&apps_smmu 0x1c6 0x0>; > + }; > + > + compute-cb@7 { > + compatible = "qcom,fastrpc-compute-cb"; > + reg = <7>; > + iommus = <&apps_smmu 0x1c7 0x0>; > + }; > + }; > }; > }; > > > --- > base-commit: 0f853ca2a798ead9d24d39cad99b0966815c582a > change-id: 20260113-agatti-fastrpc-e3fe4bea2b42 > > Best regards, > -- > With best wishes > Dmitry > >