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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8795a214e8sm188219166b.60.2026.01.16.01.52.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 16 Jan 2026 01:52:30 -0800 (PST) Message-ID: Date: Fri, 16 Jan 2026 10:52:27 +0100 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 2/6] arm64: dts: qcom: sm6125-xiaomi-ginkgo: Correct reserved memory ranges To: David Heidelberg , =?UTF-8?B?QmFybmFiw6FzIEN6w6ltw6Fu?= , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Gabriel Gonzales , Kees Cook , Tony Luck , "Guilherme G. Piccoli" , Biswapriyo Nath Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, linux@mainlining.org References: <20260112-xiaomi-willow-v1-0-8e4476897638@mainlining.org> <20260112-xiaomi-willow-v1-2-8e4476897638@mainlining.org> <723357fc-a785-45d6-8d49-4c00dd4f340c@ixit.cz> <0da3c96e-4f20-4bd0-836e-73d20581954f@ixit.cz> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <0da3c96e-4f20-4bd0-836e-73d20581954f@ixit.cz> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=asW/yCZV c=1 sm=1 tr=0 ts=696a0a60 cx=c_pps a=wEM5vcRIz55oU/E2lInRtA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=OuZLqq7tAAAA:8 a=4BfmCM-U_7t85Gwu0wQA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=OIgjcC2v60KrkQgK7BGD:22 a=AKGiAy9iJ-JzxKVHQNES:22 X-Proofpoint-ORIG-GUID: fcWxHW1TDqvUqCQrG8nT0rfS1mUV6oCm X-Proofpoint-GUID: fcWxHW1TDqvUqCQrG8nT0rfS1mUV6oCm X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTE2MDA3MyBTYWx0ZWRfX1nTqd1wspdJv kaTxG1oiMDIv19VrvgzN3KHuNuUHTolUeZQ5r0SsTzj5hwm47Kmwci9JHJg3SL71/fuDE3Oy2o1 PdaWwnVHbTIt1G//UWVWBnG3plel7o64vqM5lkW5ORfi4k76v96O8Dm8aufDmTC5LnQavWoEZl6 YOR1u9Blcd4j1kDhsA/HTQkCEFj2lB0jkBNOdwjtDGW6+1lWlsxJpRTtbnohBS+wah7+PiLrKH8 t9XeOLnJOwVra8cN3rxRhXtkfif2J1bFAnKyS909zAHWxZurgnKu3AOfWHrppJaBYliZcsFz+ew ZZPcN2aGA+WMnNVwJaD4lvig2rkmHJlJms1Ssbjm22ClEpzNqlYo/FJJeNQutmKLAaRN+rm5XgP VI12XuOwsJuM0SNnnxH1HlmvNtVJ26Z/j1asLg2lSgQSnx6zUXzrw1stzrsruHgqysV+w5z+wzZ A+thKjUSJhwbb7/vegA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-16_03,2026-01-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 bulkscore=0 suspectscore=0 clxscore=1015 adultscore=0 malwarescore=0 priorityscore=1501 spamscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601160073 On 1/14/26 10:55 PM, David Heidelberg wrote: > On 14/01/2026 11:28, Konrad Dybcio wrote: >> On 1/14/26 11:15 AM, David Heidelberg wrote: >>> On 12/01/2026 21:13, Barnabás Czémán wrote: >>>> The device was crashing on high memory load because the reserved memory >>>> ranges was wrongly defined. Correct the ranges for avoid the crashes. >>>> Change the ramoops memory range to match with the values from the recovery >>>> to be able to get the results from the device. >>>> >>>> Fixes: 9b1a6c925c88 ("arm64: dts: qcom: sm6125: Initial support for xiaomi-ginkgo") >>>> Signed-off-by: Barnabás Czémán >>>> --- >> >> [...] >> >>> Hello! >>> >>> I suggest one more nice to have improvement: >>> >>> you could label framebuffer cont_splash_mem since you already touching the node and testing the series. >>> >>> Then in additional commit, you can replace manually defined `reg` in chosen > framebuffer node with >>> >>> memory-region = <&cont_splash_mem>; >>> >>> For example you can look at sdm845-oneplus-common.dtsi >>> >>> Tell me what u think >> >> If you wanna do that, please call it framebuffer_mem, "cont_splash" is a >> Qualcomm-specific name for (roughly) flicker-free bootup > > I have feeling someone recommended me to stick with cont_splash_mem. > > I think, since we'll be doing the mdss reset anyway in sdm845 (which I used as an example), I can do the rename in our sdm845 too then without any harm? (no it's not flicker-free takeover :D ) It's not flicker-free because the OS must cooperate in that process, whereas we currently reset and re-initialize the entire display subsystem Konrad