linux-kernel - Re: [PATCH v3 2/7] media: iris: introduce SM8350 and SC8280XP support

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Message-ID: <kffcydlqdhkm5q7lip522isb7toa4jtmnzjvmctpsv5pc2ozat@o2laeofbthwc>
Date: Mon, 26 Jan 2026 12:55:53 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Cc: Vikash Garodia <vikash.garodia@....qualcomm.com>,
        Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>,
        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>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Bjorn Andersson <andersson@...nel.org>,
        David Heidelberg <david@...t.cz>, linux-media@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Johan Hovold <johan+linaro@...nel.org>
Subject: Re: [PATCH v3 2/7] media: iris: introduce SM8350 and SC8280XP support

On Mon, Jan 26, 2026 at 10:50:56AM +0100, Konrad Dybcio wrote:
> On 1/25/26 4:32 PM, Dmitry Baryshkov wrote:
> > SM8350 and SC8280XP have an updated version of the Iris2 core also
> > present on the SM8250 and SC7280 platforms. Add necessary platform data
> > to utilize the core on those two platforms.
> > 
> > The iris_platform_gen1.c is now compiled unconditionally, even if Venus
> > driver is enabled, but SM8250 and SC7280 are still disabled in
> > iris_dt_match.
> > 
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
> > ---
> 
> [...]
> 
> > +static void iris_set_sm8350_preset_registers(struct iris_core *core)
> > +{
> > +	u32 val;
> > +
> > +	val = readl(core->reg_base + 0xb0088);
> > +	val &= ~0x11;
> > +	writel(val, core->reg_base + 0xb0088);
> 
> Can we "open-source" what this write does?

I'd leave this question to Vikash. Hopefully he can comment if I can
open these bits or not.

-- 
With best wishes
Dmitry