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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8a36bf0f4dcsm2190344b3a.44.2026.10.27.03.57.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Oct 2026 03:57:12 -0700 (PDT) Date: Tue, 27 Oct 2026 16:27:05 +0530 From: Vishnu Saini To: Krzysztof Kozlowski Cc: Neil Armstrong , Jessica Zhang , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Arpit Saini , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, venkata.valluru@oss.qualcomm.com Subject: Re: [PATCH] dt-bindings: display: panel: ilitek,ili7807s: Allow backlight property Message-ID: References: <20261025-dlc_backlight-v1-1-1d1c49c3e101@oss.qualcomm.com> <20261027-fantastic-benevolent-boobook-272a9a@quoll> X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261027-fantastic-benevolent-boobook-272a9a@quoll> X-Proofpoint-Spam-Info: AW1haW4tMjYxMDI3MDA0MyBTYWx0ZWRfX5wCwHkZBWWpc vzNIZtzOENPxISs9e3WSfyoL/WjSEDZJG87EYzYl6H+jbeNkOxZQX636Zr3RMV0GQyQHgGOH79m GxGOIZua/gM2lZI6aiyFlApKG3l0SWg= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDI3MDA0MyBTYWx0ZWRfX/uTxqsb9RebL TcHcn6Nj6KEqX/Z4b4ooDglvC+1v0ypu/feTZWHXE3KlpAXbiUW+GOdyKe/jRAIOCmZf+yXtvyc Q5gmVd6wGZQf4E0o57be18pWmUEG6Jm6KY4Kg6PJsXp+zeBguzgc9NZPxBfrQnyrC3wgl2Z9kbi bN8PUKLZTE2d/KH91V7M/TWFnQzUdqr4S3rT2+ElJefyOs5fcdDOR4dsetxshJOW+6qvLfxdTZq xYxhaULb4DrXtHdUT0218QjFA7NYZ8dPcCdThHQhli3BfYeqzviG/h1h78SJ6vRIED2ctq28sWY hpSa8kwr/NsYRi4pK0IeTIk3tRGIcxsx6Wt2amM7VymqX+J2H+nBlk77mic0fZrGipZXbLIFDe4 /4ccwwNMelAQgeTGKSL8yUWxCV3+0HRrGA1T0GXCa2X9F5AFAIAL1j6ykvHEf2x1I6I6+roPlLx xbqXjgT5d9wqRGhoMeQ== X-Proofpoint-ORIG-GUID: gB8TFOiTd-WM94jZs6KKiiU9IgbdlgTf X-Proofpoint-GUID: gB8TFOiTd-WM94jZs6KKiiU9IgbdlgTf X-Authority-Analysis: v=2.4 cv=XaIcX455 c=1 sm=1 tr=0 ts=6ae0838a cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=kj9zAlcOel0A:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=a2tH-4IN5IZEDPfwvVoA:9 a=CjuIK1q_8ugA:10 a=zc0IvFSfCIW2DFIPzwfm:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-10-27_02,2026-10-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 phishscore=0 spamscore=0 bulkscore=0 priorityscore=1501 clxscore=1015 lowpriorityscore=0 suspectscore=0 impostorscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610270043 On Tue, Oct 27, 2026 at 09:12:27AM +0100, Krzysztof Kozlowski wrote: > On Sun, Oct 25, 2026 at 12:18:17PM +0530, Vishnu Saini wrote: > > The DLC0697 panel is lit by a separate backlight device, which is > > referenced from the panel node through the common 'backlight' > > property. > > > > Declare 'backlight: true' so the property is explicitly allowed by the > > schema. > > Why do you need to explicitly allow it? Since when? > > I see no benefit of this patch and commit msg does not explain me what > that benefit would be. It is required for below DLC panel, when enabling backlight using gpio-backlight driver, Apologies, missed to add this in dependency there. https://lore.kernel.org/all/20261021-shikra_display_overlays-v1-2-adaea735999f@oss.qualcomm.com/ > Best regards, > Krzysztof >