Re: [PATCH v2 0/5] iommu: Support identity mappings of reserved-memory regions

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23.04.2021 19:32, Thierry Reding пишет:
> Note that an earlier proposal was to use the existing simple-framebuffer
> device tree bindings to transport this information. Unfortunately there
> are cases where this is not enough. On Tegra SoCs, for example, the
> bootloader will also set up a color space correction lookup table in the
> system memory that the display controller will access during boot,
> alongside the framebuffer. The simple-framebuffer DT bindings have no
> way of describing this (and I guess one could argue that this particular
> setup no longer is a "simple" framebuffer), so the above, more flexible
> proposal was implemented.

Will simple-framebuffer be able to use that reserved region
transparently? Or will it require a custom simple-framebuffer driver?

Could we make simple-framebuffer support a part of this series?



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