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Mon, 20 Jul 2026 01:49:14 -0700 (PDT) X-Received: by 2002:a05:620a:a104:b0:930:a08c:cf9c with SMTP id af79cd13be357-930b3ec7093mr873165185a.2.1784537353970; Mon, 20 Jul 2026 01:49:13 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-69e6ffbba1csm4327253a12.19.2026.07.20.01.49.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 20 Jul 2026 01:49:12 -0700 (PDT) Message-ID: Date: Mon, 20 Jul 2026 10:49:08 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/3] dt-bindings: display: msm: Allow two MDSS power domains To: Yongxing Mou , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Krishna Manikandan , Abel Vesa , Yuanjie Yang , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260720-msm_gdsc2-v1-0-4687866d6cb0@oss.qualcomm.com> <20260720-msm_gdsc2-v1-1-4687866d6cb0@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260720-msm_gdsc2-v1-1-4687866d6cb0@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: TSxDoSTUclNaV8PZNCBRzFFSHxalkVjM X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzIwMDA5NyBTYWx0ZWRfX+ylziEcBzLN/ RIjegPEIuwY/BvtU/rwsn7pLYZAqNEWRkXvpTpUcopRMdGQwNzXRzhylDmetSSkyrZ1WsQP2/hr 59nY6xpw7XQv6JLDzleJg8IKonAEreV18B5jsaivYGIgi9R7cWEUqv+i2Vha8MEE8xB/kBzVeLU LbsgEVX19RSHerU2tuGs2ixJMBKcbxPw10Ext7rlIN+/3H9ZBmMeey55myfvD7ARUikjRxJoh8A 3JrgntYya6IgIhnblchaxb37TQFyv1oFymL2UDMeEg4p2w3FhDhrqYtUWmKmKW0lhz++LZ/Pjwf zJkgY8qHdYKoxqcMUlBekph0n3kYuk+EauKm/V8dyXBNsltEG/qob+wAY4ikuJOSwxP46x4P7k+ 9DfdtdOJak98Z+xwR0rv7Vnqv+BLNWaINZkpFdD/PtxeSfhjb/6KJEpW/D6ytS4Kje5uG1Akgdu l13Q1ckMfjKEOw7Q3aw== X-Authority-Analysis: v=2.4 cv=RPmD2Yi+ c=1 sm=1 tr=0 ts=6a5de10a cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=pV0AlQ-m57JRmlyrAwkA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-GUID: TSxDoSTUclNaV8PZNCBRzFFSHxalkVjM X-Proofpoint-Spam-Info: AW1haW4tMjYwNzIwMDA5NyBTYWx0ZWRfX6fBpwqIRQVxl Rv1jQxl6Rkzv8U09eZwTDQWTy++sR0j+/eKORK997tknzJ10qPoel6fe8+nFrxwUIlXm+LOARic OkzaXp5kPuu95Ga19RrelsdeCpO8F08= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-20_01,2026-07-17_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 spamscore=0 bulkscore=0 malwarescore=0 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607200097 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 7/20/26 10:43 AM, Yongxing Mou wrote: > Kaanapali (SM8750) and Glymur use two display power domains. > CORE_GDSC powers the main display hardware while INT2_GDSC > powers a subset of SSPP blocks. Can they operate independently? Does INT2_GDSC need to be powered on after CORE_GDSC? If so, perhaps changing the clock driver to make CORE a parent of INT2 could be the simpler solution Konrad