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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b76f59aecbdsm1704405866b.38.2025.12.03.02.55.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Dec 2025 02:55:17 -0800 (PST) Message-ID: Date: Wed, 3 Dec 2025 11:55:15 +0100 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 v4 12/12] arm64: dts: qcom: sdm845-lg-common: remove framebuffer reserved-mem To: David Heidelberg , Paul Sajna , 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, phone-devel@vger.kernel.org, Amir Dahan , Christopher Brown References: <20251125-judyln-dts-v4-0-a5a60500b267@postmarketos.org> <20251125-judyln-dts-v4-12-a5a60500b267@postmarketos.org> <803c48742755394d6eabc34ac73a42b36615cc01@postmarketos.org> <1d56eccf-1978-43c2-afcf-03ca88acc0e2@oss.qualcomm.com> <164f88c182ff8e17a0d544effc7d64cdd73cd4eb@postmarketos.org> <88d96898-3c83-438d-89e9-4bb2bd0dd98b@ixit.cz> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <88d96898-3c83-438d-89e9-4bb2bd0dd98b@ixit.cz> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjAzMDA4NyBTYWx0ZWRfX2AJYCpjhJs3r z7cNLhCBa03DHIYSdTYrPmiZq+foYVDqW2B8MUSKz/xHPwJaQ7ugs7EyGRv0ZAjlF3SWPh+Bl5F GsrMmeL9Ed1O0fsFY3To4opvHNW1nPc2Ac2K61KFiWGnMRTnh36urnzDPoXGjyWw7vqz9sD8ntv sUMv3vPwp9CnJE3+SnQZ4iU89BxVUIvKPwL2f05jvoob4Ra07dXfuqXymhkXnCcCJGMGhI/wKcy ASC5g+sre47A2nJC3wsTlcYGp/qywYRUZ4ZXNu5HRY80r2dywZnpR5Uhzb20Cjkfe1VqicONZVS g8Fhe1/LCQb3USq2D+whEXL7jjJpAcRrAqt1uZh77q+Dw32TtRcL/bWz0KzdD1nX2AW196hwK87 qzAIUU7KjxuN0XJ0n4h87HfclR+65A== X-Authority-Analysis: v=2.4 cv=A7th/qWG c=1 sm=1 tr=0 ts=69301717 cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=Gbw9aFdXAAAA:8 a=1eIp3gH4w8MLQwSKTRAA:9 a=lqcHg5cX4UMA:10 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 a=9vIz8raoGPyDa4jBFAYH:22 X-Proofpoint-ORIG-GUID: rbUF922OzOWHJpkuXHaoCp5i3VFF_V1x X-Proofpoint-GUID: rbUF922OzOWHJpkuXHaoCp5i3VFF_V1x 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=2025-12-02_01,2025-11-27_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 adultscore=0 suspectscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 phishscore=0 priorityscore=1501 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512030087 On 12/3/25 11:45 AM, David Heidelberg wrote: > On 03/12/2025 11:37, David Heidelberg wrote: >> On 03/12/2025 09:42, Paul Sajna wrote: >>> December 2, 2025 at 10:34 AM, "Konrad Dybcio" wrote: >>> >>> >>>> >>>> On 12/2/25 5:41 AM, Paul Sajna wrote: >>>> >>>>> >>>>> December 1, 2025 at 12:41 PM, "Konrad Dybcio" wrote: >>>>> >>>>>> >>>>>> On 11/25/25 9:12 AM, Paul Sajna wrote: >>>>>> >>>>>   It causes this warning >>>>>   [ 0.000000] OF: reserved mem: OVERLAP DETECTED! >>>>>   framebuffer@9d400000 mailto:framebuffer@9d400000 >>>>>   (0x000000009d400000--0x000000009f800000) overlaps with >>>>>   memory@9d400000 mailto:memory@9d400000 (0x000000009d400000--0x000000009f800000) >>>>>   Signed-off-by: Paul Sajna >>>>>   --- >>>>> >>>>>> >>>>>> It's defined for both devices that include this dtsi.. perhaps you >>>>>>   could remove it from there >>>>>> >>>>>>   Konrad >>>>>> >>>>>   I don't have a judyp to test with and prefer to limit scope. >>>>> >>>> This is a mechanical change >>>> >>>> Konrad >>>> >>> >>> Sorry, I tried to have a look at what you meant but didn't quite understand. In this patch I changed the dtsi that is included by both already. I don't see any other reserved-mem nodes in judyp. Do you mean I should remove the framebuffer from judyp? I don't think that's wise since a panel driver isn't added as far as I know. >> >> I think this warning likely comes from sdm845-mainline repo, as it has extra patches, which trying to abstract framebuffer into sdm845.dtsi, where it likely conflicts, have you tried against clean 6.18-rcX or next? > > ... or sdm845-next repo [1]? > > I sent the patches moving framebuffer from sdm845-mainline repository as RFC [2], but so far it's not clear to me if these should go in or not. Ok I only did a marginal amount of grepping and judyln/judyp define framebuffer@9d400000 as the framebuffer device, while sdm845-lg-common defines memory@9d400000 as a memory region. I assumed they were all the latter. I don't see any other framebuffer@9d400000 in sdm845.dtsi so perhaps David is right.. Konrad