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Mon, 20 Jul 2026 01:14:07 -0700 (PDT) X-Received: by 2002:a05:620a:aa09:b0:92e:d1e1:8300 with SMTP id af79cd13be357-930b41f98dbmr965452985a.3.1784535247075; Mon, 20 Jul 2026 01:14:07 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c1705a09a44sm421171266b.19.2026.07.20.01.14.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 20 Jul 2026 01:14:06 -0700 (PDT) Message-ID: <23a3b460-3ce6-4139-bcd9-a9fd88d7436d@oss.qualcomm.com> Date: Mon, 20 Jul 2026 10:14:03 +0200 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 v3 1/3] clk: qcom: dispcc-sm8450: Fix disp_cc_mdss_mdp_clk_src ops To: Esteban Urrutia , David Heidelberg , Bjorn Andersson , Michael Turquette , Stephen Boyd , Brian Masney , Dmitry Baryshkov , Jagadeesh Kona Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org References: <20260713-sm8450-qol-dispcc-v3-0-56fd05822270@proton.me> <20260713-sm8450-qol-dispcc-v3-1-56fd05822270@proton.me> <57bece3e-cfa8-4ddd-811b-eae271b738fd@proton.me> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <57bece3e-cfa8-4ddd-811b-eae271b738fd@proton.me> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNzIwMDA5MCBTYWx0ZWRfX4WeOqkHxejcW M44Q8FrPFdK2Ljvqm591rnpHk2DTCV1ALs5hNOZ3EsJN/lnG24cAFOvQAAQB/BLe7AQEbuNar8l 0xM8ZiCLLYDkpvHwt4cCScUGnicEoZE= X-Proofpoint-GUID: ITbM8nk1EMQoae_5PHI-WKOlaRmlKBVZ X-Proofpoint-ORIG-GUID: ITbM8nk1EMQoae_5PHI-WKOlaRmlKBVZ X-Authority-Analysis: v=2.4 cv=a+sAM0SF c=1 sm=1 tr=0 ts=6a5dd8d0 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=s1V7f2QmSm5Kp7TUuH8A:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzIwMDA5MCBTYWx0ZWRfX9YRVAs241gfS SpN0Yr1xXOm+7kP2zxrYQW8Wy1gxA6Gyk3OAcrQMr/xdkWj/UjRiTXEILqGEoLfdD1UxjvMyZvz YH09hnl9+pmLXfGv27c07deW/8YsKaaesspeefIYPBGrleIVKzJiDdoqQjCw69+9vAd1cnCtUly zzP3qqx4CmrTnBS8SVH9R5E0+n6TtCTpB2uVRgH5lq3/Qh+QJPaJK11sUZLUv4rShRRRijqa7te 1c1Okt3NWK6ph+ZRaH4aodCKRyx3Il3JlPC/4R0jYX67Hs4lA6AzmZkRchazpZBY9r+NV1tW4CJ p/3mKHWTGc9ngN5Plg6Gm+UXqfNocWSUGLdmhiInGTsI/Qd8HdIYclkRhN9kaqYwjC9wXjNrkXt Io8dO5lhvLUTmtIBUMQwj/FjuwgjNWbvOJ68nRpwszekn67EQV+x96IyeBNKyTebKA54NgChhcL Jt8fSLKcWZwORN1oKzA== 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 suspectscore=0 clxscore=1015 impostorscore=0 malwarescore=0 spamscore=0 phishscore=0 priorityscore=1501 lowpriorityscore=0 adultscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607200090 On 7/19/26 1:28 AM, Esteban Urrutia wrote: > On 7/17/26 5:02 PM, David Heidelberg wrote: >> it's likely this change will be safe for older sdm845 too? Comma.AI people have >> it applied downstream on top of 6.18/7.1 [1], so I'm wondering if it's something >> after testing on available targets could be enabled for 845 too. > > Hello. > I'm not sure, since the patch you linked modifies both mdp and rot clocks > while I only had to modify mdp for SM8450/8475. > Both clocks would have to be tested to get a verdict. I think the 'rot' part should be unused - the hardware is not driven by Linux today and I doubt the bootloader sets it up Konrad