linux-kernel - Re: [RFC PATCH 0/3] Introduce iommu-map-masked for platform devices

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Message-ID: <mwthowuei7pcqp2b4hg5c45n47iakclkioumc6diyznhnldfv5@wloeoys224bg>
Date: Wed, 15 Oct 2025 01:18:56 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Bryan O'Donoghue <bod@...nel.org>
Cc: Robin Murphy <robin.murphy@....com>,
        Charan Teja Kalla <charan.kalla@....qualcomm.com>, joro@...tes.org,
        will@...nel.org, saravanak@...gle.com, conor+dt@...nel.org,
        robh@...nel.org, mchehab@...nel.org, krzk+dt@...nel.org,
        abhinav.kumar@...ux.dev, vikash.garodia@....qualcomm.com,
        dikshita.agarwal@....qualcomm.com,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
        bjorn.andersson@....qualcomm.com, linux-media@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, iommu@...ts.linux.dev
Subject: Re: [RFC PATCH 0/3] Introduce iommu-map-masked for platform devices

On Tue, Oct 14, 2025 at 09:49:17PM +0100, Bryan O'Donoghue wrote:
> On 14/10/2025 19:35, Dmitry Baryshkov wrote:
> > > Each function id can be associated with a device and a compat string
> > > associated with it.
> > So, which part of the hardware is described by the -cb device? What does
> > it mean_here_?
> 
> The non-pixel path video encoder, the tz video encoder...
> 
> What's not clear about that ?

Where do you have pixel encoders in the fastrpc device node?

-- 
With best wishes
Dmitry