[PATCH 1/4] drm/plane: Remove drm_plane_init()

[Javier Martinez Canillas]

Hello Thomas,

On 9/9/22 12:59, Thomas Zimmermann wrote:
> Open-code drm_plane_init() and remove the function from DRM. The
> implementation of drm_plane_init() is a simple wrapper around a call
> to drm_universal_plane_init(), so drivers can just use that instead.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> ---

[...]

> diff --git a/drivers/gpu/drm/nouveau/dispnv04/overlay.c b/drivers/gpu/drm/nouveau/dispnv04/overlay.c
> index 37e63e98cd08..33f29736024a 100644
> --- a/drivers/gpu/drm/nouveau/dispnv04/overlay.c
> +++ b/drivers/gpu/drm/nouveau/dispnv04/overlay.c
> @@ -296,9 +296,10 @@ nv10_overlay_init(struct drm_device *device)
>  		break;
>  	}
>  
> -	ret = drm_plane_init(device, &plane->base, 3 /* both crtc's */,
> -			     &nv10_plane_funcs,
> -			     formats, num_formats, false);
> +	ret = drm_universal_plane_init(device, &plane->base, 3 /* both crtc's */,
> +				       &nv10_plane_funcs,
> +				       formats, num_formats, NULL,
> +				       DRM_PLANE_TYPE_OVERLAY, NULL);

Not only drm_plane_init() doesn't add much value but makes the code
harder to read. Since by calling drm_universal_plane_init() instead,
it's explicit whether the initialized plane is primary or an overlay.

Reviewed-by: Javier Martinez Canillas <javierm at redhat.com>

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat