Re: [PATCH] drm: support gpu aliases defined in DT data

[Daniel Vetter <daniel@ffwll.ch>]

On Thu, Jan 17, 2019 at 2:04 PM Tomi Valkeinen <tomi.valkeinen@ti.com> wrote:
>
> On 17/01/19 14:33, Daniel Vetter wrote:
> > On Thu, Jan 17, 2019 at 01:19:18PM +0200, Tomi Valkeinen wrote:
> >> 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.
> >
> > What other subsystem? I thought that minor numbers shouldn't be made uapi,
> > and that udev or similar is supposed to give you stable names ... Is that
> > not the case on SoC?
>
> I think at least i2c, spi and uart use DT aliases.

Commits/code implementing would be best.

> I also have my doubts about this, but thought to post this to get some
> comments, as it does make life quite a bit easier =).

Yeah I think "soc without udev" seems reasonable assumption, I just
think this is something the overall soc community should agree on as a
good thing to do. I guess since the of stuff you're using is generic
that's all happened already, so should amount to gathering a pile of
acks and then merging it.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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