[Intel-gfx] [PATCH 1/2] drm/i915: Introduce execlist_port_* accessors

[Chris Wilson]

Quoting Mika Kuoppala (2017-10-31 15:27:33)
> +static inline struct execlist_port *
> +execlists_port_next(struct intel_engine_execlists * const execlists,
> +                   const struct execlist_port * const port)
> +{
> +       const unsigned int n = __port_add(port_index(port, execlists),
> +                                         1,
> +                                         execlists->port_mask);

How does this compare to

	if (port++ == execlists->port + execlists->port_mask)
		port = execlists->port;

	return port;
?
-Chris