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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b935ae8fee1sm729947666b.45.2026.03.04.03.20.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Mar 2026 03:20:05 -0800 (PST) Message-ID: Date: Wed, 4 Mar 2026 12:20:04 +0100 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] clk: qcom: dispcc-sc8280xp: Don't park mdp_clk_src at registration time To: Pengyu Luo , Bjorn Andersson , Michael Turquette , Stephen Boyd Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260303150152.90685-1-mitltlatltl@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260303150152.90685-1-mitltlatltl@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: Mq2TIN-MYYfTJTD4JtB7DmGtF7I0ycEn X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzA0MDA4OSBTYWx0ZWRfXy8WtiMLTxoWN U/ZVa4n8UslOc13zaLbPC+84pyEdM2qYb2bp0wCBQ6+s6lMU8y0rDKG6crB87YwgqRQQybIy/HA 8QwGo/MFfn/CHbr/J8cfVJTlbShiEyPWsW0kKKeZB7KUhCIZSIydHReh5fplyPQRQHRvrzodjvY ACm4VedW8eoSsKQaWIde4+4Gp2CSV2za/G9WOGS0nnH/Py21p7CrRRBRhA7cnb7It1VqeHI1UGj NbU7pnL4wSCs4kwFRMxTxvxKaKh/xBByvZY55aMHSyWyuaSqXonReVF84/n6kL1Q6+i8vDPgHy+ jyS5zs6abPyvp2VMRb3GREd5oJl+iy+wTMqHPbGHRhgFLo5q8a3e/Ab8rmzLyyosqPmuLZpGrZm gZSAxexfTnHHoUTvb2dVuS/9Vuh3Ioly+Np09WI84d4pIlr7SvEwzi5zJ+7gaQGZ0NqrBDtwwzy apBsCaO4R/fLWJZHRpQ== X-Proofpoint-ORIG-GUID: Mq2TIN-MYYfTJTD4JtB7DmGtF7I0ycEn X-Authority-Analysis: v=2.4 cv=BpWQAIX5 c=1 sm=1 tr=0 ts=69a81567 cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=dqsZej8vO5kNzgafIXIA:9 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-04_05,2026-03-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 bulkscore=0 adultscore=0 malwarescore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 phishscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603040089 On 3/3/26 4:01 PM, Pengyu Luo wrote: > Parking disp{0,1}_cc_mdss_mdp_clk_src clk broke simplefb on HUAWEI > Gaokun3, the image will stuck at grey for seconds until msm takes > over framebuffer. Use clk_rcg2_shared_no_init_park_ops to skip it. Do you have clk_ignore_unused/pd_ignore_unused in your cmdline? The sc8280xp-huawei-gaokun3.dts references no clocks in the simplefb node, so if you're unlucky with timing, this is ""expected behavior"" Konrad