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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6433a3f94f8sm12675207a12.13.2025.11.18.03.50.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 18 Nov 2025 03:50:27 -0800 (PST) Message-ID: <0392b41d-3a95-4c77-9267-bfa3e207013a@oss.qualcomm.com> Date: Tue, 18 Nov 2025 12:50:23 +0100 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 v2 0/3] Add CAMSS support for SM6350 To: Bryan O'Donoghue , Luca Weiss , Bryan O'Donoghue , Robert Foss , Todor Tomov , Vladimir Zapolskiy , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Taniya Das Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <3ph8XeidoxkUIsK7qiOH29pde94sdwa3ReWKVVrPabgS5enIAmwVAC5plyFnBMJGKQBnxFB6df6j69OMFIeavw==@protonmail.internalid> <20251114-sm6350-camss-v2-0-d1ff67da33b6@fairphone.com> <17e7ebc9-3b88-4334-b87d-1bce6d5bb120@linaro.org> <893b97ad-7d2b-4408-bab5-2cd63fdaa33b@oss.qualcomm.com> <28f33d3a-6866-4bdb-a1e5-d193dcb7d4d1@linaro.org> <0a114896-ffca-427a-8761-977dafa73ea5@linaro.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <0a114896-ffca-427a-8761-977dafa73ea5@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: gy_g2uG8Ln-zYQDPd-DoiDm9KOLyU5cL X-Proofpoint-GUID: gy_g2uG8Ln-zYQDPd-DoiDm9KOLyU5cL X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTE4MDA5NCBTYWx0ZWRfX4EDZPE/6sxYs X8Ow7wJ4iKCU7UcWLz4cssWbV0Zmxe9/jls0qB3V5crSh8A+jP6xW6KXB+vOdCBK/jFxVpS2n57 hHH4RIkx8ioG3K8MEfS17Oaqe3GjKrHgC/Rb7Gruaol3h61v6KFX3925wWp2REFjry47+nIf2XY TrMT9Swhpre9Rwa4D91DxXWL/9R+S48gIhu91KZ7UchV+sHzcOsC/doDGBJDrcVE2t20E74HwAl 11mStFXEUEcMMZgDGJJbvyFf6007b7iUC8YHsN41/Gx9M0jsZlvGxm8zHR1MEvKrfRYZfdU2f9G opwNq6p6Se8zDvnV+jevypJsaf4SWcjQwuL70vJVfGai7VeP+AO+uffVjI1CJtOZS6n6jdRbBHQ nlzWAEjc3CUtF7HxuhKueIFDKNU5Iw== X-Authority-Analysis: v=2.4 cv=N/Yk1m9B c=1 sm=1 tr=0 ts=691c5d85 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=PV6EGJ5lTCk7Ln_g6zQA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-17_04,2025-11-13_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 bulkscore=0 adultscore=0 priorityscore=1501 phishscore=0 impostorscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511180094 On 11/18/25 12:08 PM, Bryan O'Donoghue wrote: > On 18/11/2025 10:06, Konrad Dybcio wrote: >>>> Konrad >>> vfe170 is what we have on sdm845 >>> >>> So I'm just asking Luca to try the sdm845 method of waggling this clock since what we have doesn't work. >> It's of course going to work because this way you're not calling the >> code that throws this error >> >> I was curious whether you know the actual reason why this is being >> done in some other GCC drivers >> >> Konrad > > No notion at all, perhaps as a workaround to this very problem. I tried digging it up, but only managed to find that there is a signal between titan and gcc to request it being enabled (perhaps that's a fancy description of hwcg) Maybe +Taniya would know? (context: sm6350 gcc_camera_axi_clk stuck at 'on' when disabling) Konrad