linux-kernel - Re: [PATCH v4 1/6] media: iris: Add support for multiple clock sources

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Message-ID: <6c1377d1-1a0f-77c8-3257-6fae1d5de3de@oss.qualcomm.com>
Date: Fri, 16 Jan 2026 15:08:15 +0530
From: Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>
To: Vikash Garodia <vikash.garodia@....qualcomm.com>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Bryan O'Donoghue <bod@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Cc: linux-arm-msm@...r.kernel.org, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Vishnu Reddy <busanna.reddy@....qualcomm.com>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Subject: Re: [PATCH v4 1/6] media: iris: Add support for multiple clock
 sources



On 12/10/2025 6:05 PM, Vikash Garodia wrote:
> vpu4 depends on more than one clock source. Thus far hardware versions
> up to vpu3x have been clocked by a single source.
> This adds support for multiple clocks by,
> - Adding a lookup table
> - Configuring OPP table for video device with different video clocks
> - Setting OPP for multiple clocks during dev_pm_opp_set_opp()
> 
> This patch extends the support for multiple clocks in driver, which
> would be used in subsequent patch for kaanapali, when the platform data
> is prepared.
> 
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
> Co-developed-by: Vishnu Reddy <busanna.reddy@....qualcomm.com>
> Signed-off-by: Vishnu Reddy <busanna.reddy@....qualcomm.com>
> Signed-off-by: Vikash Garodia <vikash.garodia@....qualcomm.com>
> ---
>  .../media/platform/qcom/iris/iris_platform_common.h  |  1 +
>  .../media/platform/qcom/iris/iris_platform_gen1.c    |  7 +++++++
>  .../media/platform/qcom/iris/iris_platform_gen2.c    |  9 +++++++++
>  .../media/platform/qcom/iris/iris_platform_sc7280.h  |  5 +++++
>  drivers/media/platform/qcom/iris/iris_power.c        |  2 +-
>  drivers/media/platform/qcom/iris/iris_probe.c        | 20 ++++++++------------
>  drivers/media/platform/qcom/iris/iris_resources.c    | 16 ++++++++++++++--
>  drivers/media/platform/qcom/iris/iris_resources.h    |  1 +
>  drivers/media/platform/qcom/iris/iris_vpu_common.c   |  4 ++--
>  9 files changed, 48 insertions(+), 17 deletions(-)
> 

Reviewed-by: Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>

Thanks,
Dikshita