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Tue, 18 Aug 2026 10:38:33 -0700 (PDT) Received: from hu-mdsor-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-141530793ccsm19640985c88.8.2026.08.18.10.38.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Aug 2026 10:38:33 -0700 (PDT) Date: Tue, 18 Aug 2026 23:08:25 +0530 From: Mohit Dsor To: Krzysztof Kozlowski Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, venkata.valluru@oss.qualcomm.com, Jessica Zhang Subject: Re: [PATCH v3 1/2] arm64: dts: qcom: shikra-iqs-evk: Add LT9611UXD HDMI bridge support Message-ID: References: <20260728-shikra-work-v3-0-e08c322596ac@oss.qualcomm.com> <20260728-shikra-work-v3-1-e08c322596ac@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Proofpoint-GUID: 8BFGn07Gq3fg0o2fKsTt32mj-7iP49sr X-Proofpoint-Spam-Info: AW1haW4tMjYwODE4MDEzMCBTYWx0ZWRfX2Z3HiWv6bxOU xukyDxAvDzUs5a9qjJE7eH//hcLS8Vq8kTv93efDwOURz0MM2Rwr1BkiLHsY+SSL55KBVtQp2wk 8oTGNrZS2VHW1ONt5x/AekWFb8mWJ3s= X-Proofpoint-ORIG-GUID: 8BFGn07Gq3fg0o2fKsTt32mj-7iP49sr X-Authority-Analysis: v=2.4 cv=VNLtWdPX c=1 sm=1 tr=0 ts=6a84989b cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=kj9zAlcOel0A:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=8K9nRV67sesUJCHgNhYA:9 a=CjuIK1q_8ugA:10 a=bFCP_H2QrGi7Okbo017w:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE4MDEzMCBTYWx0ZWRfX4GWe+CUfICaI JLnfpcuh9LGGY4+9JJ+AKVzLYCjYlunLIxQJFK1DLb1EH6A7TQlvPMVFweVmKZlai2BVAMKS5bq ztCZMlevDqdE9RhQJRtFgyGAsmQc8t19TMUflm/qLl+d+N3vaf6wLw+Aml5igepaN3ghbCQoCp/ R6x3r3YGi/+x0SxIiHOH7XbMBq/sJLgSf/I4yKoMAt6a6I28BqI1WrIL/CCCy4qpVqa+7EDpI41 EPJGmB4glx+VsCtOOXbhJ4D129zMDVdXlwDicwmSHOOPlqUbMS1mM+b3pTEXYxrBeXOk8dcrgUi b2kjML+tYgou30Qedze6Q6dkxf2Ra5RogShj9ycYYox79krCJKE27ygkYhAr8brFsrSuAV4N9Hy 3ujOz0unNFF2U0cgcz6ofuZUbs3RTco38a2nPtt/yBr9v2cZRPBFdgMRRDPgCdVSZwPgIWhzbpy B2jPyCKx1d/p20SSATA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-18_03,2026-08-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 suspectscore=0 bulkscore=0 malwarescore=0 adultscore=0 spamscore=0 impostorscore=0 lowpriorityscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608180130 On Wed, Jul 29, 2026 at 08:19:36AM +0200, Krzysztof Kozlowski wrote: > On 28/07/2026 14:00, Mohit Dsor wrote: > > Enable the Shikra MDSS display subsystem on the Qualcomm Shikra IQS > > EVK board and add the Lontium LT9611UXD DSI-to-HDMI bridge node. > > > > The LT9611UXD is connected via I2C (bus 4, address 0x41), powered by > > a GPIO-controlled 3.3V regulator (PM8150 GPIO4) and an always-on 1.8V > > rail. Reset is on GPIO76 and interrupt on GPIO85. > > > > The bridge receives DSI output from MDSS and drives an HDMI-A > > connector, with the link wired as: DPU -> DSI0 -> LT9611UXD -> HDMI. > > > > Signed-off-by: Mohit Dsor > > --- > > Did you ignore here previous review as well, just like you did on > LT9611C patchset? We will fix all comments here and submit new version once dependent patches are merged. > > Best regards, > Krzysztof