Re: [PATCH v3 1/3] drm/vc4: Remove the need for the GPU-subsystem DT node.

[Rob Herring]

On Mon, Apr 16, 2018 at 5:52 PM, Eric Anholt <eric@xxxxxxxxxx> wrote:
> 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.
>
> v2: Simplify the DT walking code.
> v3: Always put the node.
>
> Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
> ---
>  .../bindings/display/brcm,bcm-vc4.txt         |  7 -----
>  drivers/gpu/drm/vc4/vc4_drv.c                 | 28 +++++++++++++------
>  drivers/gpu/drm/vc4/vc4_hvs.c                 |  1 +
>  drivers/gpu/drm/vc4/vc4_v3d.c                 |  1 +
>  4 files changed, 22 insertions(+), 15 deletions(-)

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>