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Date:   Wed, 5 Jun 2019 05:57:16 -0700
From:   Rob Clark <>
To:     Tomasz Figa <>
Cc:     freedreno <>,
        Daniel Vetter <>,
        Frank Rowand <>,, David Airlie <>,
        linux-arm-msm <>,
        Will Deacon <>,
        Doug Anderson <>,
        dri-devel <>,
        "" <>,
        Linux IOMMU <>,
        Rob Herring <>,
        Sean Paul <>,
        Vivek Gautam <>,
        Robin Murphy <>,
        Christoph Hellwig <>,
        Marek Szyprowski <>
Subject: Re: [Freedreno] [PATCH] of/device: add blacklist for iommu dma_ops

On Tue, Jun 4, 2019 at 11:58 PM Tomasz Figa <> wrote:
> But first of all, I remember Marek already submitted some patches long
> ago that extended struct driver with some flag that means that the
> driver doesn't want the IOMMU to be attached before probe. Why
> wouldn't that work? Sounds like a perfect opt-out solution.

Actually, yeah.. we should do that.  That is the simplest solution.


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