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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9c3ca9a145sm544544166b.25.2026.04.07.04.22.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Apr 2026 04:22:23 -0700 (PDT) Message-ID: <66e25445-e7f8-405e-b208-e69b6b401f90@oss.qualcomm.com> Date: Tue, 7 Apr 2026 13:22:21 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: qcom: sc8280xp: Add ADSP FastRPC node To: Pengyu Luo , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Srinivas Kandagatla , Ekansh Gupta Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260403120753.105869-1-mitltlatltl@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260403120753.105869-1-mitltlatltl@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDA3MDEwNiBTYWx0ZWRfX5ZbLBegsrAMr HKa+rThQgqKO34Xh3mf9swbVmJ+CCSxZQrMw3SmXdKWV2D7r7W2GlN0niF/VNcrNNYT+gVo0fFy vhT/OnjJTLk4aW4IBNmFW1LqdkldiZL7U1WUfD3pXwz2Lt5TIC0lboxi1F0YKWAL6FZkmFAdv9Z sVN3zU9srXLPP282XsGZDXYPREEjXakJBPCu3RV/O8xMyCsokP0hBxLJ485iOx7D2W7QXrf51mz WnHE4ACMApWTHyJ4ePcwB0CTV4h/FdoMnaxN6ofwknB+tdcqQrdNtrAI+pEmYKFRYfl4D8yDE30 61uAuk8JMrn1wYcgM2f0bAbFRpEwBKe64FqV832L3GOsT5BqIg1o3YUy8qXzG5Ic1wmQiGtbFiX 6VT1IcFuKd4wiNCHYRtT48vTjn5/syXHumphuN4D3YVmnPoRo2uiiSsirCgvPE1g6N1WRFl8ZOv /pYUUY56egW6R+v2SEg== X-Proofpoint-ORIG-GUID: esPY2DtZPq0Z7R3q1YUcdPE2OA4C_vuo X-Authority-Analysis: v=2.4 cv=WNZPmHsR c=1 sm=1 tr=0 ts=69d4e8f1 cx=c_pps a=7E5Bxpl4vBhpaufnMqZlrw==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=pGLkceISAAAA:8 a=xlpq1E5UL7j_U2TQMoEA:9 a=QEXdDO2ut3YA:10 a=pJ04lnu7RYOZP9TFuWaZ:22 X-Proofpoint-GUID: esPY2DtZPq0Z7R3q1YUcdPE2OA4C_vuo X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-07_02,2026-04-07_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 phishscore=0 spamscore=0 impostorscore=0 lowpriorityscore=0 suspectscore=0 clxscore=1015 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604070106 On 4/3/26 2:07 PM, Pengyu Luo wrote: > Add the FastRPC node to enable offloading compute tasks to the ADSP > via the FastRPC framework. > > Signed-off-by: Pengyu Luo > --- > arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 27 ++++++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi > index 761f229e8f47..ee02acd18856 100644 > --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi > +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi > @@ -2966,6 +2966,33 @@ IPCC_MPROC_SIGNAL_GLINK_QMP > label = "lpass"; > qcom,remote-pid = <2>; > > + 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 0x0c03 0x0>; These are SIDs destined for the CDSP.. (how) have you tested this patch? +Srini, Ekansh I can't quite decode which SIDs are "allowed" for FastRPC on Hamoa's ADSP.. could you please help here? Konrad