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Mon, 03 Aug 2026 22:44:30 -0700 (PDT) X-Received: by 2002:a05:622a:5c0e:b0:516:d699:a99b with SMTP id d75a77b69052e-52b567d89e7mr277824501cf.40.1785822270355; Mon, 03 Aug 2026 22:44:30 -0700 (PDT) Received: from [192.168.1.31] ([85.196.172.179]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c1fd3c5ae9fsm646835966b.7.2026.08.03.22.44.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 03 Aug 2026 22:44:29 -0700 (PDT) Message-ID: Date: Tue, 4 Aug 2026 08:44:25 +0300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 3/3] arm64: dts: qcom: sm8250: Add JPEG encoder node To: Dmitry Baryshkov , Bryan O'Donoghue Cc: Atanas Filipov , linux-media@vger.kernel.org, mchehab@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andersson@kernel.org, konradybcio@kernel.org, loic.poulain@linaro.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260730150524.2659577-1-atanas.filipov@oss.qualcomm.com> <20260730150524.2659577-4-atanas.filipov@oss.qualcomm.com> <476aee61-015f-4793-9be7-a102c1c3e811@oss.qualcomm.com> <3e8b2574-eab5-4c34-b400-c75312b9a772@kernel.org> Content-Language: en-US From: "Gjorgji Rosikopulos (Consultant)" In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA0MDA0MyBTYWx0ZWRfX9KyxRaOGmbr3 gI9nSmgbvKf9iOVQ6vNT/YDO9De7PKp5tUUY36qNLK0nHjkW5vkL58mXk6o3mySvd/BLjtS07OP TbjB+N269MbrjjwMTXS13InEotcvoXHWSG07OXouxrDatAWfE+XehR1omTz0peame/BhLTmeeRP xYVMUKAsTatTdkuSBSiNkmqQkHU1QFus0D+MUuIcQP7CD6C7JUKZbUOw1Nxak1/BpN/P9Iaf+hc 0TIi/IwrlqRPNGz9tqHz8GFKDQqQRTna7SYAs2b047uMmb9DjhG1GwMH9Wsb2C6HmcBFFY+Pa4Z zTy2LLcdocFjAy4ovS+Qobru3nocc2mqnzixx4MUyEScr9j5F/n1CkX+4EHSgna8rmwLywpPsTD zCwGRkDdEeB5KfJuLXBM2q+U0TskX+RIOON97R7Q3FfUqH7FXTSMvCJe0Kcv0vf5S/1tZ5gKweD SFJ8f3cegW/0FVJZmOw== X-Authority-Analysis: v=2.4 cv=TIt1jVla c=1 sm=1 tr=0 ts=6a717c3f cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=Q/e3f29T3Hw2hnAEzBPF7w==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=3JPs_qAUubFRTmJlbQsA:9 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 X-Proofpoint-ORIG-GUID: 1PUmAAt0pq13T1tJbNrQmQvPgGQtgyT1 X-Proofpoint-Spam-Info: AW1haW4tMjYwODA0MDA0MyBTYWx0ZWRfX4pywm5qHKonP YGRBOSI7Q97QWxYXfKc41B0a6B/V7c04iDV/ZkN3BpGMncEcoij4EkyLpxQ47xPSJjn3j66c4Pt 1bPVnCaxFX3hhslrMBvoaCatT1yeSYg= X-Proofpoint-GUID: 1PUmAAt0pq13T1tJbNrQmQvPgGQtgyT1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-04_01,2026-08-03_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 phishscore=0 bulkscore=0 malwarescore=0 priorityscore=1501 spamscore=0 suspectscore=0 impostorscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608040043 Hi Dmitry, On 8/3/2026 10:09 PM, Dmitry Baryshkov wrote: > On Sat, Aug 01, 2026 at 11:04:10AM +0100, Bryan O'Donoghue wrote: >> On 31/07/2026 20:30, Gjorgji Rosikopulos (Consultant) wrote: >>>>> Is TITAN_TOP a part of the MMCX or CX domain? In the former case, >>>>> please drop separate mmcx vote here and let it come through the >>>>> titan_top (it might require camcc driver and node modifications). >>>>> >>>> The change was requested by Brian, most likely in connection with >>>> upcoming migrations. I think he would be able to explain the exact >>>> reasons. As far as the facts are concerned, this is not currently >>>> necessary for the driver to be functional. >>> In the documentation we have this jpeg block need only TITAN_TOP_GDSC power domain. >>> However Bryan request to ad MMCX and MX. >>> As i can see same is for csiphy. Maybe is better to sync with Bryan. >> >> Check hamoa - I believe it is the case there's a separate vote required for >> MMCX/MXA. > > Assuming TITAN_TOP gates MMCX to the whole camera block (please correct > me if I'm wrong), why do we need a separate vote on MMCX? I might be > missing something here, sorry. Honestly i really don't know, i am trying reach to correct people(find proper documentation) for this. From what i have in the jpeg documentation only power domain which is required, for jpeg core is TITAN_TOP for sm8250, i did not check the other platforms. ~Gjorgji > >> >> I'm prefectly fine if all that is required on kona is titan_top_gdsc but, >> basically I'm asking _you_ to go verify the difference and come back with an >> answer. >> >> "Not required for Kona we checked" - its not about being asked its about >> checking what's actually required, I'm highlighting this because sm8550 >> perhaps and hamoa definitely are different. >> >> All of this is in the power-tree documentation. Please find the place where >> the power-rails are stipulated for venus/iris and then check to see what's >> required for the titan block and represent all of the necessary rails in the >> jpeg@{} such that jpeg@{} can run standalone without any of the rest of the >> block switched on. >> >> I'll trust your diligence in that. >> >> --- >> bod >