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 32129480DCB; Tue, 25 Aug 2026 13:34:51 +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=1787664892; cv=none; b=rpngtyLl71a+ga2ut+NT1j3JCmfsfWh8RT6yvlLDfl1kePdHaZj2td8KkfoV91MjQTzxOqU/58n9LuGyXDYWmpFIBbOMN2rjgFRt0ueoIWG5xmxK/NnUbuVJjgtRHSM16nv8f2I79g+iuHoY5a9KYFpJjde5rMwowGIabTyFBis= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787664892; c=relaxed/simple; bh=mfjf7oOvJs9/gvbg90Kbob5/18GBTsJvaKncp2gzanw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=gjraGyivjKamzanz7s9bGCxylsP4x70QSW/krDTGQFg3rNb6+9C0XBeBfsgzV8RgtImeL+GiGZTKtN8Bo4HWgIX4aeEjq0KpjwF7ko8LE5FhoP65QChkz9EnnigWhZYLdLMoioHbBQm63+nKWswcbvswbfPOIT2mVJxitucpoio= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Mo/A/Evz; 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="Mo/A/Evz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2CD01F00A3A; Tue, 25 Aug 2026 13:34:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1787664891; bh=EKLPLcIqt06r0g2nL7dOxnTCLgVDMzQwzIkUoM5OgUM=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=Mo/A/EvzGs4c3YnzGzcp27S8AenPDQ/LwzeiHTGRIeRny1k81tdII2PcvhGcKFVml Y4ha6OYYC8EHdpLzYo+5Dkc8O9grdwnJQoAaqlV++jq3K8mG8/bhE/uuY9QnHk+S0d P62FQYSXYsOXk40JVqFWXMZwHll+2LxgqBP4gm2Bhm2svCwtdRx4kTVjQNTFh2fODy d/etWg5meMRnSqGjw5pRPqxSouXzV1brVp9nz8E1jWap3+7VBamlLTZXMGcPPgbqJd 3K7J4+R2K6840axujuRK55H9UJUz0Z0701QLc/NuyNg7RNw94XzzZpsMiNerAEzOzu MvFMsVPwaJOzg== Message-ID: <62fda76e-771a-4242-92a8-36374345883d@kernel.org> Date: Tue, 25 Aug 2026 15:34:45 +0200 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 v1 1/2] arm64: dts: qcom: qcs6490-rb3gen2: add audio CMA memory region for AudioReach To: Karthik S , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260825133333.376591-1-karthik.s@oss.qualcomm.com> <20260825133333.376591-2-karthik.s@oss.qualcomm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 25/08/2026 15:33, Karthik S wrote: > Add a dynamic CMA pool for the AudioReach audio stack on qcs6490-rb3gen2. > Use alloc-ranges to let the kernel pick a free address rather than a fixed > reg, which avoided EFI-reserved memory at 0x9cc00000. Add 4 MiB alignment > to satisfy CMA_MIN_ALIGNMENT_BYTES. Wire memory-region into q6apmdai so > the q6apm-audio-mem-cma child driver can attach the pool. > > Based on the equivalent implementation for lemans (SA8295P). > > Signed-off-by: Karthik S > --- > arch/arm64/boot/dts/qcom/qcs6490-audioreach.dtsi | 1 + > arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 8 ++++++++ > 2 files changed, 9 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/qcs6490-audioreach.dtsi b/arch/arm64/boot/dts/qcom/qcs6490-audioreach.dtsi > index c1867711298b..06f65ae8afbc 100644 > --- a/arch/arm64/boot/dts/qcom/qcs6490-audioreach.dtsi > +++ b/arch/arm64/boot/dts/qcom/qcs6490-audioreach.dtsi > @@ -97,6 +97,7 @@ q6apm: service@1 { > q6apmdai: dais { > compatible = "qcom,q6apm-dais"; > iommus = <&apps_smmu 0x1801 0x0>; > + memory-region = <&audio_cma_mem>; > }; > > q6apmbedai: bedais { > diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts > index a13315bf0fb0..d39246f34172 100644 > --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts > +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts > @@ -174,6 +174,14 @@ rmtfs_mem: memory@f8500000 { > qcom,client-id = <1>; > qcom,vmid = , ; > }; > + > + audio_cma_mem: qcom,audio-ml { Don't send downstream code. There are no such patterns in upstream for years. Best regards, Krzysztof