Re: [PATCH v2] drm: plane: Verify that no or all planes have a zpos property

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On Thursday, May 14, 2020 12:58 AM, Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> wrote:

> The zpos property is used by userspace to sort the order of planes.
> While the property is not mandatory for drivers to implement, mixing
> planes with and without zpos confuses userspace, and shall not be
> allowed. Clarify this in the documentation and warn at runtime if the
> drivers mixes planes with and without zpos properties.

Thanks for the patch, this looks good to me!

Acked-by: Simon Ser <contact@xxxxxxxxxxx>
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