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SubjectRe: [RFC PATCH v6 02/11] media: v4l2: Extend pixel formats to unify single/multi-planar handling (and more)
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Le vendredi 11 novembre 2022 à 11:03 +0800, Hsia-Jun Li a écrit :
> There are four modifiers in DRM while we would only one in these patches.
>  From the EGL
> https://registry.khronos.org/EGL/extensions/EXT/EGL_EXT_image_dma_buf_import_modifiers.txt
>
> The modifier for echo plane could be different. I wish it would be
> better to create a framebuffer being aware of which planes are graphics
> or metadata.

I was told that having different modifiers per plane is not supported and just
an historical artifact of an over-engineered API design.

Nicolas

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