drm/nouveau: tegra: Call nouveau_drm_device_init()

[Marcel Ziswiler]

On Fri, 2018-11-23 at 13:11 +0100, Thierry Reding wrote:
> From: Thierry Reding <treding at nvidia.com>
> 
> As part of commit cfea88a4d866 ("drm/nouveau: Start using new drm_dev
> initialization helpers"), the initialization of the Nouveau DRM
> device
> was reworked and along the way the platform driver initialization was
> left incomplete. Add a call to nouveau_drm_device_init() to make sure
> all of the structures are properly initialized.
> 
> Signed-off-by: Thierry Reding <treding at nvidia.com>
> Reviewed-by: Lyude Paul <lyude at redhat.com>

Tested-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>

> ---
>  drivers/gpu/drm/nouveau/nouveau_drm.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c
> b/drivers/gpu/drm/nouveau/nouveau_drm.c
> index 2b2baf6e0e0d..d2928d43f29a 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_drm.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
> @@ -1171,10 +1171,16 @@ nouveau_platform_device_create(const struct
> nvkm_device_tegra_func *func,
>  		goto err_free;
>  	}
>  
> +	err = nouveau_drm_device_init(drm);
> +	if (err)
> +		goto err_put;
> +
>  	platform_set_drvdata(pdev, drm);
>  
>  	return drm;
>  
> +err_put:
> +	drm_dev_put(drm);
>  err_free:
>  	nvkm_device_del(pdevice);