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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: L_x_SNWYxuMGX19AStaK_Ou5iKPkz5QU X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE2MDE2OCBTYWx0ZWRfX20s6VdxSxlJy rqW898YEVv5AIiOLnq5U8cZti8+NILFc7u1mFzMCTXEQAQKPb4/q2LqMX1DNcVB4xjB9Bz+priy WUZSgD7Lqgffl55DRo9ZXTLitvE9aiT5WBqmzyCguAFQrDjUDj0pH4nAvJQrtxw2KzyXC6t0ZnN f9YCHM7xfkz49EvDDgvbtlZnCSGZK45vt126iZGJ/J4J9vviImlCIlEhjSqR5mOL0oy7KjDjIuX QdHT+gS+5emu+2JXVNeTm+WbHVDEcqSH0YQJKoPsJjVD7rQtddxq62yLPgihi5EOj3olhNcyg7a ctF3ISPMAGlggNKEgmtI3sXmqCxaOANN607D20wKyPd5QsAR3G4MFSQMxzOJHO6pnHD9mMOAbKl jUWmSXtFmsJEwCDNr0tlp4HUFszMdE7HG3Kmao7iD6+tBKzyKKni4o0IIB2sOPCTKUljgSgz0Lg qoKny1LCiAIZuLdzQVQ== X-Authority-Analysis: v=2.4 cv=f8R4wuyM c=1 sm=1 tr=0 ts=6a5905d9 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=IqayfNGWEjniyl6KuZYA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-GUID: L_x_SNWYxuMGX19AStaK_Ou5iKPkz5QU X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE2MDE2OCBTYWx0ZWRfXx57lfcNbEmjz r2WEJVh8hAdNTdQ+9oGhAAjV/lQ0PfT4ELSA8NJ4vYH1wVn8q6KxFGyTzEyY2fY2yY+M7eDNgs+ KVdtMlnkiJLgHMpi0qcRUDqhrG6qZmk= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-16_05,2026-07-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 impostorscore=0 priorityscore=1501 bulkscore=0 phishscore=0 suspectscore=0 lowpriorityscore=0 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607160168 On 7/16/26 5:18 PM, Pratyush Meduri wrote: > The audio ML (machine-learning) offload use case requires a contiguous, > physically addressable buffer shared with the audio DSP/SPF, and issues > DMA transactions through additional SMMU stream IDs that are not > covered by the existing ADSP mapping. [...] > arch/arm64/boot/dts/qcom/lemans-el2.dtso | 4 +++- > arch/arm64/boot/dts/qcom/lemans.dtsi | 9 +++++++++ > 2 files changed, 12 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/qcom/lemans-el2.dtso b/arch/arm64/boot/dts/qcom/lemans-el2.dtso > index 621ad930cf54..5b477346ef90 100644 > --- a/arch/arm64/boot/dts/qcom/lemans-el2.dtso > +++ b/arch/arm64/boot/dts/qcom/lemans-el2.dtso > @@ -19,7 +19,9 @@ &iris { > }; > > &remoteproc_adsp { > - iommus = <&apps_smmu 0x3000 0x0>; > + iommus = <&apps_smmu 0x3000 0x0>, > + <&apps_smmu 0x3060 0x9>, > + <&apps_smmu 0x3062 0x1>; 1. Does the Gunyah setup need any updates? 2. Are the existing SIDs wrong? Aren't they just used for other offloads usecases? > }; > > &remoteproc_cdsp0 { > diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi > index 3b0539e27b51..060565113784 100644 > --- a/arch/arm64/boot/dts/qcom/lemans.dtsi > +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi > @@ -624,6 +624,14 @@ reserved-memory { > #size-cells = <2>; > ranges; > > + audio_cma_mem: qcom,audio-ml { Node names *must not* contain commas and should be generic > + compatible = "shared-dma-pool"; > + alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>; Is the last byte forbidden on purpose? Konrad