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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8dbeff5629sm856529566b.27.2026.02.02.02.07.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Feb 2026 02:07:51 -0800 (PST) Message-ID: <95977a30-616c-44af-ac93-90bae2bed298@oss.qualcomm.com> Date: Mon, 2 Feb 2026 11:07:47 +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 4/8] media: iris: 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-v2-4-6f40d2605c89@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260201-iris-venus-fix-sm8250-v2-4-6f40d2605c89@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=MNltWcZl c=1 sm=1 tr=0 ts=6980777a cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=R0B0fMNruX7Akzlv-IwA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-GUID: a1RFdsDFS1SOBtR7msdqJxWGqYALVLPR X-Proofpoint-ORIG-GUID: a1RFdsDFS1SOBtR7msdqJxWGqYALVLPR X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjAyMDA4NSBTYWx0ZWRfX8GP0s1MZkObx UgqVQiYLifMI89tLV7Y/URDlrqAPl0ako35ukLg2Wjn3NN8xsYKhezyZPVhECPFu6OEVftC2YFF rdbuQUTGhElqOMxrKdAnhY61vXQFNozgAcXaVG1UhIC+qrg6Pc948zMYhkqaAcpvODmMdq6CRTQ pz5G1zGCUucsxYMcCcDRmNXtQQdY+bQweYqmTzWY/YiXt8D2kVX9RMVdxmiTyZsGUY9LbfX3CZf z79dKpu6K8j+fDIwtyfY7/bCfjAR58NBKj0HG7/0akHna3nxokBAW+vhyFyC0DHCZVknzRAmtxE VFkZESSq3jdd1BpTScGaHfT6kgJa/NHQ4DgvlOkcWE1P092Cab2BdW43PQY6/W74edXMeZJOh8A YQiAVlo7v4Q8QhNC/2XtGYxYSJy/mx8Do77L1pExJAnDsclpsUsG6Npz7HXlCcRJUeEaT2JoaO1 F1kEwIbD+XhDza1Wb2A== 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 clxscore=1015 suspectscore=0 adultscore=0 impostorscore=0 malwarescore=0 bulkscore=0 priorityscore=1501 spamscore=0 lowpriorityscore=0 phishscore=0 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: 79865252acb6 ("media: iris: enable video driver probe of SM8250 SoC") > Signed-off-by: Dmitry Baryshkov > --- > drivers/media/platform/qcom/iris/iris_platform_gen1.c | 2 +- > drivers/media/platform/qcom/iris/iris_probe.c | 7 +++++++ > 2 files changed, 8 insertions(+), 1 deletion(-) > > diff --git a/drivers/media/platform/qcom/iris/iris_platform_gen1.c b/drivers/media/platform/qcom/iris/iris_platform_gen1.c > index df8e6bf9430e..aa71f7f53ee3 100644 > --- a/drivers/media/platform/qcom/iris/iris_platform_gen1.c > +++ b/drivers/media/platform/qcom/iris/iris_platform_gen1.c > @@ -281,7 +281,7 @@ static const struct bw_info sm8250_bw_table_dec[] = { > > static const char * const sm8250_pmdomain_table[] = { "venus", "vcodec0" }; > > -static const char * const sm8250_opp_pd_table[] = { "mx" }; > +static const char * const sm8250_opp_pd_table[] = { "mx", "mmcx" }; > > static const struct platform_clk_data sm8250_clk_table[] = { > {IRIS_AXI_CLK, "iface" }, > diff --git a/drivers/media/platform/qcom/iris/iris_probe.c b/drivers/media/platform/qcom/iris/iris_probe.c > index 7b612ad37e4f..74ec81e3d622 100644 > --- a/drivers/media/platform/qcom/iris/iris_probe.c > +++ b/drivers/media/platform/qcom/iris/iris_probe.c > @@ -64,6 +64,13 @@ static int iris_init_power_domains(struct iris_core *core) > return ret; > > ret = devm_pm_domain_attach_list(core->dev, &iris_opp_pd_data, &core->opp_pmdomain_tbl); > + /* backwards compatibility for incomplete ABI SM8250 */ > + if (ret == -ENODEV && > + of_device_is_compatible(core->dev->of_node, "qcom,sm8250-venus")) { > + iris_opp_pd_data.num_pd_names--; You're decrementing 1 to 0 @ this point in the series Konrad