[Intel-gfx] [PATCH] drm/i915/cnl: Add information to missing case.

[Pandiyan, Dhinakaran]

On Fri, 2017-06-16 at 13:20 -0700, Rodrigo Vivi wrote:
> This missing case could be reached out on missing
> type or missing voltage.

Should we even reach this far with a missing DDI type?

-DK

>  So let's add a debug
> message to make our lives easier whenever this
> might happen.
> 
> Cc: Paulo Zanoni <paulo.r.zanoni at intel.com>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_ddi.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index e66947a..c96c8d0 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -1802,6 +1802,7 @@ static void cnl_ddi_vswing_program(struct drm_i915_private *dev_priv,
>  	}
>  
>  	if (ddi_translations == NULL) {
> +		DRM_DEBUG_KMS("Missing DDI translation table for type %d with voltage %d\n", type, voltage);
>  		MISSING_CASE(voltage);
>  		return;
>  	}