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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b353e5d0526sm548975366b.12.2025.09.27.05.21.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 27 Sep 2025 05:21:40 -0700 (PDT) Message-ID: <656173d1-b739-4f39-8e33-9c5af657825a@oss.qualcomm.com> Date: Sat, 27 Sep 2025 14:21:38 +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 v2 2/3] arm64: dts: qcom: Rework X1-based Asus Zenbook A14's displays To: Aleksandrs Vinarskis , 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, Jens Glathe References: <20250926-zenbook-improvements-v2-0-c0b512ab6b57@vinarskis.com> <20250926-zenbook-improvements-v2-2-c0b512ab6b57@vinarskis.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20250926-zenbook-improvements-v2-2-c0b512ab6b57@vinarskis.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTI3MDA0MSBTYWx0ZWRfX6qfo6sUNrpWb dx3JGTZRj3SJK3k7ly7VtJKr7NV9Xu3Z0KpPJ6NGXLUwSDLOEV8Yj2iZ6NZKpoBqyQqrNsll09H Vb5pNfiSUhDXtwUoF3mENgQ4oEM0xHW6Q5karpBBOq23XGbfKeBYEHr/8GWprwPsYf42uaVK4GS jtnsoB8dcssF/JHil/vQMiBMkkp4BmPBDaVx5Gul2pQEcgzZ5s0v+hIWP8IExGazH/fGSiZ8UpL qYUqpKzAcwE+lXwsJXpcLigiO6Ml/69c27PPkVNDvCoG52e7VciY2Rtxq317uLX+BHVfJolxtsg fBh7Bq3nXAt4+8YJoOo0E8Y9en14VxsKdJIXzqJS/7I9h/SfAut0Zkjs7eoXPvOCTIyqMjDvVi+ DlQYLT5hUcyy+9LZmFAnYLr/fU3cQw== X-Proofpoint-GUID: Mo-6VSvofbV7w76HyWFEqqQMzhLpeCF- X-Proofpoint-ORIG-GUID: Mo-6VSvofbV7w76HyWFEqqQMzhLpeCF- X-Authority-Analysis: v=2.4 cv=Rfydyltv c=1 sm=1 tr=0 ts=68d7d6d7 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=I76Qk8w-AAAA:8 a=gxl3bz0cAAAA:8 a=EUspDBNiAAAA:8 a=KT6dqS1snKeT78_s1OIA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 a=vUPM0Wvl0xcrLs4nqPIT:22 a=kiRiLd-pWN9FGgpmzFdl:22 a=poXaRoVlC6wW9_mwW8W4:22 a=Z5ABNNGmrOfJ6cZ5bIyy:22 a=UDnyf2zBuKT2w-IlGP_r:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-27_03,2025-09-26_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 bulkscore=0 adultscore=0 lowpriorityscore=0 impostorscore=0 clxscore=1015 malwarescore=0 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2509150000 definitions=main-2509270041 On 9/26/25 9:08 AM, Aleksandrs Vinarskis wrote: > The laptop comes in two variants: > > * UX3407RA, higher end, FHD+ OLED or WOXGA+ OLED panels > * UX3407QA, lower end, FHD+ OLED or FHD+ LCD panels > > Even though all three panels work with "edp-panel", unfortunately the > brightness adjustmenet of LCD panel is PWM based, requiring a dedicated > device-tree. Convert "x1p42100-asus-zenbook-a14.dts" into ".dtsi" to > allow for this split, introduce new LCD variant. Leave current variant > without postfix and with the unchanged model name, as some distros > (eg. Ubuntu) rely on this for automatic device-tree detection during > kernel installation/upgrade. > > As dedicated device-tree is required, update compatibles of OLED > variants to correct ones. Keep "edp-panel" as fallback, since it is > enough to make the panels work. > > While at it moving .dts, .dtsi around, drop 'model' from the top level > x1-asus-zenbook-a14.dtsi as well. > > Signed-off-by: Aleksandrs Vinarskis > Co-developed-by: Jens Glathe > Signed-off-by: Jens Glathe > --- Reviewed-by: Konrad Dybcio Konrad