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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: linux-kernel@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-Details-Enc: AW1haW4tMjYxMDI3MDA0MyBTYWx0ZWRfX07GtjfuuXKyq tmlyFT6fRA5Gqy5oFEXsRuKdU7MJSe2Gd3r5o6WPFhqd7Ulc8LGt05CDCq7cSs/sfoMe9sOJI6L afqvaQq2fYf77T4INDAunZTgdFV4X4cZN8zNddIsp47sur3g4WY5br14JhWpTItDOxH9tKusqf0 981jOivis5A2UWKSwdUuAR+/G45Stu289Xdr4iih9XDr6xpGfDiSOwQaihZPLFr/7sk8r/bu7Kx eCFc/svaGpAWsFl/9Zku9nmuixynBMGViXUegVTyKfp5Q1mdBFfYIz6MQkOPtqe0H/c8Ztdq6n1 fD45IPDmTXTBx4gB3n5TJ2N+z2AUzmFojRtRZr1g7VFLAVV8kUabd2cbeLskx/ouF5Y94eUxB7+ D8nMzAXGFU6hpZN6DuOJz7bIKOLXTyG29It/4PCguXxwZFjXgmPKj6ErP515wjfNPo4gBytR3Ri OwVTnOW0pmRBAvS4BMw== X-Proofpoint-GUID: y8-3OL5DgTG56sqnQj7QqVfOGWorHtMd X-Proofpoint-Spam-Info: AW1haW4tMjYxMDI3MDA0MyBTYWx0ZWRfX1/Uf9wrH1u07 rTUOa244/Zwi1FGbTuIz89nIGUj+5GRsR/jEXjMVSwo36Fjj4Z+pL/JrgB2lFWfPqET5Ofi1Arg VIfgSoZ3CY6y5bbLyPPnOJHJICDs8uc= X-Authority-Analysis: v=2.4 cv=PsYG/AM3 c=1 sm=1 tr=0 ts=6ae0838a cx=c_pps a=m5Vt/hrsBiPMCU0y4gIsQw==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=kj9zAlcOel0A:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=a2tH-4IN5IZEDPfwvVoA:9 a=CjuIK1q_8ugA:10 a=IoOABgeZipijB_acs4fv:22 X-Proofpoint-ORIG-GUID: y8-3OL5DgTG56sqnQj7QqVfOGWorHtMd 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 suspectscore=0 spamscore=0 phishscore=0 adultscore=0 lowpriorityscore=0 priorityscore=1501 bulkscore=0 impostorscore=0 clxscore=1015 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 >