[RESEND 3/6] drm/i915/display: add intel_display_conversion.c to hide stuff better

[Luca Coelho]

On Wed, 2024-11-20 at 14:03 +0200, Jani Nikula wrote:
> The __to_intel_display() generics require the definition of struct
> drm_i915_private i.e. inclusion of i915_drv.h. Add
> intel_display_conversion.c with a __i915_to_display() function to do the
> conversion without the intel_display_conversion.h having an implicit
> dependency on i915_drv.h.
> 
> The long term goal is to remove __to_intel_display() and the
> intel_display_conversion.[ch] files altoghether, and this is merely a
> transitional step to make the dependencies on i915_drv.h explicit.
> 
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
> ---

Reviewed-by: Luca Coelho <luciano.coelho at intel.com>

--
Cheers,
Luca.