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Wed, 01 Jul 2026 05:48:35 -0700 (PDT) X-Received: by 2002:ac8:5ad6:0:b0:50f:b9a6:82ae with SMTP id d75a77b69052e-51c26a45ba4mr14245681cf.2.1782910114612; Wed, 01 Jul 2026 05:48:34 -0700 (PDT) Received: from [192.168.120.170] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c1288d18735sm271634966b.6.2026.07.01.05.48.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Jul 2026 05:48:33 -0700 (PDT) Message-ID: <976824fc-335a-4f47-a4b6-29966137f2bf@oss.qualcomm.com> Date: Wed, 1 Jul 2026 14:48:31 +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 v3 3/4] arm64: dts: qcom: sdm630: describe adsp_mem region properly To: Nickolay Goppen , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexey Minnekhanov Cc: Ekansh Gupta , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht References: <20260422-qcom-sdm660-cdsp-adsp-fastrpc-dts-fix-v3-0-274ba3715db0@mainlining.org> <20260422-qcom-sdm660-cdsp-adsp-fastrpc-dts-fix-v3-3-274ba3715db0@mainlining.org> <337d362d-93de-4e81-8141-a51fa75d615c@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: PR6b0VIfPZHYuRoxAVWfwb8Zec1OFl52 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAxMDEzNSBTYWx0ZWRfX29Bhbcx8U4ps ryTFueA+kdTbzrLdqkQDKEDlKtzIjf/VKvpcG60kWah8w9OHvYkfvzCEtwswxfO3Ii4nKWS0iZO fOxAXiL3cXhxBkUj8dCJhrkg5cKu5cM= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAxMDEzNSBTYWx0ZWRfX/BmmExVjsbas nEWSYFaKptVe4T6XlRx9uv1ZkVIJUt/deRrD1ZZ2J+utzac8633TvWfByCv4seUzhfdOrfyhNyk 5SxqLixEIfUZzNSjONPFb5v3ghKV7GXi8jwOALob86QkNiN9guX41YFWDWrjOlPQn19z8QXORaE +z3NusJROJ56h0wAvfNjFP6+OXeOK/zUV4frTTmN3vomYvznyf/cyteR5Jhe3k9V88bcsYzqSiH 5oIDVL2q+9xLRlr/GH0IiFM5FVCTGq1yLng0QnYdpkNh+C0S1wcGvsruniglzeKLveY+oCsplr/ YFZcc91qj/01z7tkKagJVJNk+QW8DEQyCVHSgA5n1mH3FfDt2X1G5/uzGm/g1CUnOt58c1WuSyS RT41gYsxixPwlL6CMLaaNpXAH6B8LNBgpAaY5mPvugPYPvS+Mtv+17dA6raIFIwJYuDiywTIBdk Rdrt/IG54QGLNsuUcHw== X-Authority-Analysis: v=2.4 cv=T5+8ifKQ c=1 sm=1 tr=0 ts=6a450ca3 cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=Gv3PURsRAAAA:20 a=OuZLqq7tAAAA:8 a=1Z6vLoopVQRnxGewFmEA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 a=AKGiAy9iJ-JzxKVHQNES:22 a=bA3UWDv6hWIuX7UZL3qL:22 X-Proofpoint-ORIG-GUID: PR6b0VIfPZHYuRoxAVWfwb8Zec1OFl52 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-01_03,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 adultscore=0 lowpriorityscore=0 phishscore=0 bulkscore=0 clxscore=1015 priorityscore=1501 malwarescore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607010135 On 4/27/26 5:20 PM, Nickolay Goppen wrote: > > 27.04.2026 14:49, Konrad Dybcio пишет: >> On 4/22/26 5:39 PM, Nickolay Goppen wrote: >>> Downstream [1] this region is marked as shared, reusable and dynamic so >>> describe it that way. >>> >>> [1]: https://github.com/xiaomi-sdm660/android_kernel_xiaomi_sdm660/blob/11-EAS/arch/arm/boot/dts/qcom/sdm660.dtsi#L448 >>> >>> Signed-off-by: Nickolay Goppen >>> --- >>>   arch/arm64/boot/dts/qcom/sdm630.dtsi | 9 ++++++--- >>>   1 file changed, 6 insertions(+), 3 deletions(-) >>> >>> diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi >>> index 4b47efdb57b2..36b419dea153 100644 >>> --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi >>> +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi >>> @@ -494,9 +494,12 @@ venus_region: venus@9f800000 { >>>               no-map; >>>           }; >>>   -        adsp_mem: adsp-region@f6000000 { >>> -            reg = <0x0 0xf6000000 0x0 0x800000>; >>> -            no-map; >>> +        adsp_mem: adsp-region { >>> +            compatible = "shared-dma-pool"; >>> +            alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>; >> Please make this = <0x0 0x80000000 0x0 0x80000000>; instead, since the RAM >> starts at 0x80000000 > > +Alexey Min found out that on 3 GiB xiaomi-lavender RAM starts at 0x40000000 > > 40000000-855fffff : System RAM >   40080000-41bfffff : Kernel code >   42600000-42fd0fff : Kernel data > 88f00000-8abfffff : System RAM > 95000000-feabffff : System RAM My docs happen to be silent on this subject.. Do you have a device that has more/less RAM to compare? Konrad