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To:     Neil Armstrong <narmstrong@baylibre.com>
From:   Simon Ser <contact@emersion.fr>
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Subject: Re: [PATCH v8 1/6] drm/fourcc: Add modifier definitions for describing Amlogic Video Framebuffer Compression
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On Thursday, July 2, 2020 9:47 AM, Neil Armstrong <narmstrong@baylibre.com>=
 wrote:

> Finally is also adds the Scatter Memory layout, meaning the header contai=
ns IOMMU
> references to the compressed frames content to optimize memory access
> and layout.
>
> In this mode, only the header memory address is needed, thus the content
> memory organization is tied to the current producer execution and cannot
> be saved/dumped neither transferrable between Amlogic SoCs supporting thi=
s
> modifier.

Still not sure how to handle this one, since this breaks fundamental
assumptions about modifiers.