linux-kernel - Re: [PATCH v6 01/14] soc: qcom: Add UBWC config provider

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Message-ID: <jfslenwbfdoy7qz44on5ckzuljrxfjce2encitxiz5pws2iecl@2xnwdlpppmsk>
Date: Thu, 24 Jul 2025 22:41:31 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Rob Herring <robh@...nel.org>
Cc: Konrad Dybcio <konradybcio@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <lumag@...nel.org>, Sean Paul <sean@...rly.run>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Rob Clark <robin.clark@....qualcomm.com>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>,
        Akhil P Oommen <akhilpo@....qualcomm.com>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: Re: [PATCH v6 01/14] soc: qcom: Add UBWC config provider

On Thu, Jul 24, 2025 at 12:24:29PM -0500, Rob Herring wrote:
> On Thu, Jun 26, 2025 at 4:02 AM Konrad Dybcio <konradybcio@...nel.org> wrote:
> >
> > From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> >
> > Add a file that will serve as a single source of truth for UBWC
> > configuration data for various multimedia blocks.
> >
> > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
> > Signed-off-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> > ---
> >  drivers/soc/qcom/Kconfig       |   8 ++
> >  drivers/soc/qcom/Makefile      |   1 +
> >  drivers/soc/qcom/ubwc_config.c | 251 +++++++++++++++++++++++++++++++++++++++++
> >  include/linux/soc/qcom/ubwc.h  |  65 +++++++++++
> >  4 files changed, 325 insertions(+)
> 
> > +static const struct of_device_id qcom_ubwc_configs[] __maybe_unused = {
> > +       { .compatible = "qcom,apq8096", .data = &msm8998_data },
> > +       { .compatible = "qcom,msm8917", .data = &msm8937_data },
> > +       { .compatible = "qcom,msm8937", .data = &msm8937_data },
> 
> This compatible is not documented.

Oh, fun. We have several qcom,msm8937-foo compatibles, we have support
for display on MSM8937, but not the main platform compatible.

-- 
With best wishes
Dmitry