[PATCH v3 4/4] drm/vc4: Support the case where the DSI device is disabled

[Eric Anholt]

Boris Brezillon <boris.brezillon at bootlin.com> writes:

> Having a device with a status property != "okay" in the DT is a valid
> use case, and we should not prevent the registration of the DRM device
> when the DSI device connected to the DSI controller is disabled.
>
> Consider the ENODEV return code as a valid result and do not expose the
> DSI encoder/connector when it happens.
>
> Signed-off-by: Boris Brezillon <boris.brezillon at bootlin.com>

Reviewed-by: Eric Anholt <eric at anholt.net>
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