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Wed, 08 Jul 2026 04:18:59 -0700 (PDT) X-Received: by 2002:a17:902:ebcd:b0:2cc:ed57:c7c with SMTP id d9443c01a7336-2cced5724e1mr17400115ad.32.1783509539361; Wed, 08 Jul 2026 04:18:59 -0700 (PDT) Received: from [10.92.199.168] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ccf797ebc4sm318125ad.83.2026.07.08.04.18.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Jul 2026 04:18:59 -0700 (PDT) Message-ID: Date: Wed, 8 Jul 2026 16:48:52 +0530 Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 07/19] clk: qcom: dispcc-qcm2290: Switch to DT index based clk lookup To: Konrad Dybcio , Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio , Loic Poulain , Brian Masney , Dmitry Baryshkov Cc: Ajit Pandey , Taniya Das , Jagadeesh Kona , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260703-shikra-dispcc-gpucc-v5-0-cc13826d4d5a@oss.qualcomm.com> <20260703-shikra-dispcc-gpucc-v5-7-cc13826d4d5a@oss.qualcomm.com> Content-Language: en-US From: Imran Shaik In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA4MDExMCBTYWx0ZWRfX8HEzk5h3Xf77 MdNjd3S5ljy73LC4gwILx9ihYvyX+VzW686ZN65w+zYEmEJLWWIOYLUFhFj7YdGBcetRu4h0HF5 vNHgXBe8YzMn1trrlzTXbYnJuvGfxvG7eovjidhxSIp4sjVR7aLdQsHhPKmFtpb2giIK5J6y4Ih x7WfmMvUCOUeXhfqBxDohbd9h2zC8w3Pkku5zdDz73CUqaNKGyGZn3h7U8jpsV4wSCZHTFZhGiu 5S09lRYBWE/4Oc1J2PD823ZkPysRY5ug0EVhoKGokhs+tB/EE6FU4fGZ7wEkGG+8C6tGio+hbYb earofBN82cvMYbGl5eehSqQ2NMcAsx7K4z0cmxjE9Lbu8oOfiuJXZLuaKAYxttu9ts4wj7G1wxX 3FjexZ4VWHTxmr45cG6SI8q+GRjTu5n5MdYlWcm6rXfzpipQd0Yx1nr4gltu7J9GBLWey2RWxxR p6RKJ2nPZMw6jQT1+Sg== X-Proofpoint-ORIG-GUID: qnkqZ_Upw7eCw6Q-ux5IcH1Ze8p3nZtK X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA4MDExMCBTYWx0ZWRfX0O/9mvET7Jvu q3zCs0xrTL4WAzdybS8tP65xTG/mqh0WFAKr5XAeBgZ1T/qZmJQMOKqctewFQ0wFLlW+3h00Hdc Y/3vHJj5l/BXX/4bqppcpic0u5MGGNM= X-Authority-Analysis: v=2.4 cv=UehhjqSN c=1 sm=1 tr=0 ts=6a4e3224 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=dgSI8aGl1U6gYZos47QA:9 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-GUID: qnkqZ_Upw7eCw6Q-ux5IcH1Ze8p3nZtK 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=2026-07-08_01,2026-07-06_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 spamscore=0 phishscore=0 adultscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 bulkscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607080110 On 03-07-2026 12:45 pm, Konrad Dybcio wrote: > On 7/2/26 8:31 PM, Imran Shaik wrote: >> Update the QCM2290 DISPCC driver to use the DT index based parent clock >> lookup to align with the latest convention. While updating the parent data, >> fix the MDSS MDP clock source parent to use gcc_disp_gpll0_div_clk_src >> instead of gcc_disp_gpll0_clk_src. This parent is currently unused by the >> frequency tables, but should be corrected to match the hardware clock plan. > > That change is invalid according to the agatti clock docs - > DISP_CC_MDSS_MDP_CLK_SRC RCG leg 4 takes GPLL0_OUT_MAIN as > an input > The HW clock plan naming convention is slightly misleading. Though the DISPCC HW clock plan specifies the GPLL0_OUT_MAIN, it is actually sourced from external gcc_disp_gpll0_div_clk_src(300MHz) clock. The above mapping is correctly handled for the mdss_ahb_clk_src already. But it is incorrect for the mdss_mdp_clk_src, hence fixing it now. I will split this fix to a separate patch as Dmitry suggested in the other thread. Thanks, Imran