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Tue, 30 Jun 2026 07:21:51 -0700 (PDT) X-Received: by 2002:a05:6102:4488:b0:739:97bf:9180 with SMTP id ada2fe7eead31-73a39752cbbmr575205137.8.1782829310769; Tue, 30 Jun 2026 07:21:50 -0700 (PDT) Received: from [192.168.120.170] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6987c21f123sm1380324a12.0.2026.06.30.07.21.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 30 Jun 2026 07:21:49 -0700 (PDT) Message-ID: <917f606b-55f9-416a-8dc0-e66efac712bb@oss.qualcomm.com> Date: Tue, 30 Jun 2026 16:21:46 +0200 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 10/13] clk: qcom: dispcc-sm8750: Add support to control MDP clocks using CESTA To: Jagadeesh Kona , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Turquette , Stephen Boyd , Neil Armstrong , Lee Jones Cc: Ajit Pandey , Imran Shaik , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Maulik Shah , Taniya Das References: <20260420-cesta-sm870-dispcc-v1-0-eb27d845df9c@oss.qualcomm.com> <20260420-cesta-sm870-dispcc-v1-10-eb27d845df9c@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260420-cesta-sm870-dispcc-v1-10-eb27d845df9c@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: e-EsROxsvJbA4el4wYKiBvq6ugVinzIn X-Proofpoint-Spam-Info: AW1haW4tMjYwNjMwMDEzMyBTYWx0ZWRfX+tyG4DpNgJJz 3mKO1LmhdppKzfCHql4DtdsHvflJ8CU9/5H8MJCadIBV0vmLJYigrubiFfiQgJlmzGFIhNkEygJ io+CaxTuK6unYDuHOfUwUlVxiTKap34= X-Authority-Analysis: v=2.4 cv=JI0LdcKb c=1 sm=1 tr=0 ts=6a43d100 cx=c_pps a=DUEm7b3gzWu7BqY5nP7+9g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=5f43vwGa_zqDpS5p3yUA:9 a=QEXdDO2ut3YA:10 a=-aSRE8QhW-JAV6biHavz:22 X-Proofpoint-ORIG-GUID: e-EsROxsvJbA4el4wYKiBvq6ugVinzIn X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjMwMDEzMyBTYWx0ZWRfX9vgs1euBUGDZ o4h4MxUQe5SDw05v0F8e8ik2yH4zgpehPkRFRthMkGsbjhrmuwmIewCA0M6nEskjNL/7xvw82d5 DqiwBMHt9WH8gzTgHBJ/v0YYVK1/toWjd5QONNJw48RkbWD4aRy9AisCzNcDx6xTyH9Ff8R4oT/ MDVYd27/VJmrO3d88SusaKY3I1GFeDEy9uxdtGkQ+Gwz/W3s6P8rBk2lTWsfza1ru7W1lmAfkqW 9al0paVXYvClFsmku/KamcCi1JYjFijpNnM+9redNmcPFjh8JVyg+A4X+d8PrQBa5lAYiIPO7LL dwCx5ZSh3WLRtVtzdxRqT0KMvRHoubHYRscK7HnXA/wErmMEV4rn/VshtCHMEaX9IxnT6X8HRiy JJXRHmYRX0HpWld47Klf20S3u8JB964ZrE4VrUBbLCueL4ezcDvnF39/2GFPkpwTXWBlLH6YB4L qUG9MfTkGqoy64yn41Q== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-30_04,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 impostorscore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606300133 On 4/20/26 6:29 PM, Jagadeesh Kona wrote: > Add support to control the DISPCC MDSS MDP RCG and the associated display > PLL0 using display CESTA hardware on SM8750 platform. If display CRM is > enabled, the clock ops of these clocks will be updated by the common code > before registration to use CRM specific clock ops, allowing these clocks > to be controlled using display CRM (CESTA Resource Manager) hardware. Does CESTA only control a very thin slice of the total set of clocks (in this case MDP clock and PLL0), requiring Linux to still vote on the other couple dozen manually? Konrad