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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8dbf1c500bsm837501866b.54.2026.02.02.02.02.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Feb 2026 02:02:34 -0800 (PST) Message-ID: <231ae9c2-bb3b-430c-990c-deab6a8a0d0b@oss.qualcomm.com> Date: Mon, 2 Feb 2026 11:02:30 +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 v2 5/8] media: venus: scale MMCX power domain on SM8250 To: Dmitry Baryshkov , Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Taniya Das , Jonathan Marek , Ulf Hansson , "Rafael J. Wysocki" , Bryan O'Donoghue , Vikash Garodia , Dikshita Agarwal , Mauro Carvalho Chehab , Stanimir Varbanov , Abhinav Kumar , Hans Verkuil , Stefan Schmidt , Konrad Dybcio , Bryan O'Donoghue , Dikshita Agarwal Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-media@vger.kernel.org, Mauro Carvalho Chehab References: <20260201-iris-venus-fix-sm8250-v2-0-6f40d2605c89@oss.qualcomm.com> <20260201-iris-venus-fix-sm8250-v2-5-6f40d2605c89@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260201-iris-venus-fix-sm8250-v2-5-6f40d2605c89@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=LcAxKzfi c=1 sm=1 tr=0 ts=6980763c cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=v07b0KzaqYqj_yNn1HoA:9 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-ORIG-GUID: BkwCPnXEccoB05JlTnCScSnPBM4cU7kf X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjAyMDA4NSBTYWx0ZWRfXyUSsmyvzohFW oo/IRPgfHUSmF3Huh9B9meOoXhGNsKIex0fpvFIL4AFfOhCLrDZR6wzI0kZwqvku99MeohQf/I3 VbFzdnoUUUou+mPgKbzHUuiWAjZkOQpSZxDf5OBnJjsNZQqsw5XhqZQQGBlbUaxYLp3X8ppoEFb GrXJpS6xcpW4kUsTInHWRSO7DtzwkuRf6xtFTqx5dVdLG+yZ50zK5pcEkAHpmOiQNhUzR0rBaZ/ lE042h4mCIdxnuqlOX4Ri8zrQBRy9/gukmuDdcRqv/kfQr56KhgjDPocHvuYqboQQRlKjnjZLTk +0Cx8a0vNB7PmTw/rARdVhWuFSMge0HsCMyi+bvUYX3gbIZzUkPDgf4i/E9II3ps3YjFkqeaRHj 9xIOeonilXq90sI9P2Xr8z7dknfjGx9zhtNIFBJSiYtHMkKl/2mjBy3dNnR8ufrU/n7N3kTh7nt epqcKdhio6FIiRUJZxg== X-Proofpoint-GUID: BkwCPnXEccoB05JlTnCScSnPBM4cU7kf X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-02_03,2026-01-30_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 adultscore=0 priorityscore=1501 impostorscore=0 suspectscore=0 lowpriorityscore=0 malwarescore=0 phishscore=0 spamscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602020085 On 2/1/26 11:49 AM, Dmitry Baryshkov wrote: > On SM8250 most of the video clocks are powered by the MMCX domain, while > the PLL it powered on by the MX domain. Extend the driver to support > scaling both power domains, while keeping compatibitility with the > existing DTs, which define only the MX domain. > > Fixes: 0aeabfa29a9c ("media: venus: core: add sm8250 DT compatible and resource data") > Signed-off-by: Dmitry Baryshkov > --- [...] > @@ -904,6 +904,12 @@ static int vcodec_domains_get(struct venus_core *core) > > /* Attach the power domain for setting performance state */ > ret = devm_pm_domain_attach_list(dev, &opp_pd_data, &core->opp_pmdomain); > + /* backwards compatibility for incomplete ABI SM8250 */ "eeeh", I'd rather error out since it can't guarantee to have its power fully on Konrad > + if (ret == -ENODEV && > + of_device_is_compatible(dev->of_node, "qcom,sm8250-venus")) { > + opp_pd_data.num_pd_names--; > + ret = devm_pm_domain_attach_list(dev, &opp_pd_data, &core->opp_pmdomain); > + } > if (ret < 0) > return ret; > >