Tomi Valkeinen <tomi.valkeinen@xxxxxx> writes:
> The DRM device minor numbers are allocated according to the registration
> order. This causes confusion in cases where the registration order can
> change, or when, say, a modesetting capable device is preferred to be
> card0, and a rendering device is preferred to be card1.
>
> This patch adds similar functionality that is used in some other
> subsystems, where device minor numbers can be defined in DT bindings'
> aliases node.
>
> For example, this sets the DRM device minor number to 1 for the 'dss'
> device.
>
> aliases {
> gpu1 = &dss;
> };
This would be really nice to have. Given that there's plenty of
userspace code that opens the first available DRM node (whether or not
that is Correct Behavior), making their behavior not dependent on the
random probe order is a good thing.
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