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Wed, 08 Jul 2026 22:41:04 -0700 (PDT) X-Received: by 2002:a05:622a:5599:b0:51c:14f5:8f9c with SMTP id d75a77b69052e-51c8b2e3578mr59043881cf.27.1783575663835; Wed, 08 Jul 2026 22:41:03 -0700 (PDT) Received: from [192.168.1.31] ([85.196.172.179]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c15e2936b42sm64059766b.21.2026.07.08.22.41.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Jul 2026 22:41:03 -0700 (PDT) Message-ID: Date: Thu, 9 Jul 2026 08:41:00 +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 v4 0/5] Add Qualcomm JPEG V4L2 encoder for SM8250 To: Bryan O'Donoghue , Konrad Dybcio , Vladimir Zapolskiy , Atanas Filipov , linux-media@vger.kernel.org Cc: loic.poulain@oss.qualcomm.com, mchehab@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andersson@kernel.org, konradybcio@kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Dmitry Baryshkov References: <20260706071113.383215-1-atanas.filipov@oss.qualcomm.com> <68e59764-5a10-4abc-849c-14ea2d9ef76e@linaro.org> <437d1eb0-4495-406a-9501-b0515cfa3151@linaro.org> <8116c54e-4050-4e9d-b236-59d74846bd57@linaro.org> <8a09875d-af5f-438b-b947-bc2b61219b70@oss.qualcomm.com> <8fc1ddfd-0f77-4b67-b9bd-33fbd60e2046@oss.qualcomm.com> <54ad9b8a-7596-4bc7-a1c3-7230cca21360@kernel.org> Content-Language: en-US From: "Gjorgji Rosikopulos (Consultant)" In-Reply-To: <54ad9b8a-7596-4bc7-a1c3-7230cca21360@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA5MDA1MCBTYWx0ZWRfX7/yddr8eYVgT fz9utgHA8lw51hJe5hGinfizTZcAlT98uoWGtGCCLlPPHWQRcTtTiXq4c9CFB5KAPeC2IZTpnoH otptM0zOqnFt0yhkU70yKGja+SAjs5Q= X-Proofpoint-GUID: 21FReXqnEy9FbV58JDFLqArA784hVtJm X-Authority-Analysis: v=2.4 cv=cL3QdFeN c=1 sm=1 tr=0 ts=6a4f3470 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=Q/e3f29T3Hw2hnAEzBPF7w==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=CVLRNxM7UcJW-wxj-VEA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-ORIG-GUID: 21FReXqnEy9FbV58JDFLqArA784hVtJm X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA5MDA1MCBTYWx0ZWRfX/HkJ3EwpeaaV zvuAeoIcwmtp/99RsojrxM41MEsY80FkdgG2CtPnZic4uofyjjWCporWaRNskwJjbdCgqvJXG9X jsodqfEhJEPNdKImaKBVMzVHYBZKSWBzBm63WzFqvHEH1y7f65ptA1RsyScwM9iLHSbfB8ERg3r LddXIzucSRYHiQDJdo6k/y9KCE+6Yd3Qut62REr5xxw7nqaTvsJqGYXkChJZWFHtQc7LR6XMsWi g9bjyOZN8xGYIjePJiWPHqt7XhDyNIhAOJeZhnToJGCWQW7Ge7FFnV+lZvWNGJ/1f2Ms1W4UMRj afokOBOdZF/C6kE6Kkh1KA51oqpugVXjGphkE2K2SFGPfCP6zYr4071v6/e064cpFwW7bYHD4tt VnaWAeUqLCG1G7SktOtOt8QDtbksPoHaOU10CAXYtfgw3FEOBpXZEMBbfSZHGqJSQ9vBLPcywac Dno5KxDUs3qgyrKO9dA== 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_05,2026-07-08_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 suspectscore=0 adultscore=0 spamscore=0 phishscore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607090050 On 7/9/2026 12:21 AM, Bryan O'Donoghue wrote: > On 08/07/2026 13:19, Konrad Dybcio wrote: >> On 7/7/26 12:41 PM, Bryan O'Donoghue wrote: >>> On 07/07/2026 11:11, Konrad Dybcio wrote: >>>> On 7/7/26 12:00 PM, Bryan O'Donoghue wrote: >>>>> On 07/07/2026 10:24, Konrad Dybcio wrote: >>>>>> On 7/6/26 3:37 PM, Bryan O'Donoghue wrote: >>>>>>> On 06/07/2026 14:02, Vladimir Zapolskiy wrote: >> [...] >> >>> OK, I can see how this thread is confusing. >>> >>> The idea is to start to declare sub-nodes "on the road" to making camss into a bus. The legacy binding we have is really for the IFE domain - that is CSIPHY, CSID, IFE. >>> >>> Right now the camss binding describes those things - so linking say OPE or JPEG back to the thing that describes those isn't right. >>> >>> OTOH we_want_ to make the top-level binding into a bus, we've discussed that several times. >>> >>> To transition from monolith IFE-domain only, to camss-bus, we should have the sub-nodes fully describe themselves as "camss-bus" doesn't exist yet. >>> >>> Once we have compat="camss-bus" then fine, make that linkage, I fully support that. >>> >>> That roadmap BTW is why I'm asking Antanas and Loic to make JPEG and OPE sub-nodes of camss - but make them complete sub-nodes - power-domains, clocks, nocs, including the TOP_GDSC. >> I think this needlessly increases the amount of combinations we'll >> have to keep supporting down the line (with a ton of compatibility >> boilerplate code) >> >> Konrad > > Fine. > > Lets drop the bus idea then. I'm happy to close the conversation as peer-nodes. > > camss@{ >     existing CSID/IFE >     IFE SID stuff goes here >     power-domains = TITAN_TOP_GDSC, IFE_GDSC > } > > csiphy @ { > } > > jpeg@ { >     JPEG SID stuff goes here >     power-domains = TITAN_TOP_GDSC, JPEG_GDSC > } > > camnoc@ { >     modelled as an ICC provider and consumed by > } > I vote for this as well. For me having resources at parent side which are already referenced counted, is not justifying the complexity we are adding. Another argument is that i don not like the exceptions, either we move every hw block as child device of CAMMS including CCI or go with peer-nodes. ~Gjorgji > --- > bod >