Messages in this thread | | | Subject | Re: [RFC PATCH v6 02/11] media: v4l2: Extend pixel formats to unify single/multi-planar handling (and more) | From | Nicolas Dufresne <> | Date | Tue, 15 Nov 2022 10:57:59 -0500 |
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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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