[PATCH 1/3] drm/vc4: Remove the need for the GPU-subsystem DT node.

[Stefan Wahren]

Hi Eric,

> Eric Anholt <eric at anholt.net> hat am 10. April 2018 um 01:00 geschrieben:
> 
> 
> The GPU subsystem node was a workaround to have a central device to
> bind V3D and display to.  Following the lead of 246774d17fc0
> ("drm/etnaviv: remove the need for a gpu-subsystem DT node"), remove
> the subsystem node usage and just create a platform device for the DRM
> device to attach to if any of the subsystem devices are present.

i didn't test it. Does the code change keep the backward compatibility with older DT?