On Wed, Aug 23, 2023 at 10:07:11AM -0700, Lucas De Marchi wrote:
> Follow the convention of checking the last platform first and reword the
> comment to convey there are more platforms than just DG1.
> 
> Signed-off-by: Lucas De Marchi <[email protected]>

Reviewed-by: Matt Roper <[email protected]>

> ---
>  drivers/gpu/drm/i915/soc/intel_pch.c | 13 ++++++++-----
>  1 file changed, 8 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/soc/intel_pch.c 
> b/drivers/gpu/drm/i915/soc/intel_pch.c
> index ba9843cb1b13..cf795ecdcc26 100644
> --- a/drivers/gpu/drm/i915/soc/intel_pch.c
> +++ b/drivers/gpu/drm/i915/soc/intel_pch.c
> @@ -216,13 +216,16 @@ void intel_detect_pch(struct drm_i915_private *dev_priv)
>       unsigned short id;
>       enum intel_pch pch_type;
>  
> -     /* DG1 has south engine display on the same PCI device */
> -     if (IS_DG1(dev_priv)) {
> -             dev_priv->pch_type = PCH_DG1;
> -             return;
> -     } else if (IS_DG2(dev_priv)) {
> +     /*
> +      * South display engine on the same PCI device: just assign the fake
> +      * PCH.
> +      */
> +     if (IS_DG2(dev_priv)) {
>               dev_priv->pch_type = PCH_DG2;
>               return;
> +     } else if (IS_DG1(dev_priv)) {
> +             dev_priv->pch_type = PCH_DG1;
> +             return;
>       }
>  
>       /*
> -- 
> 2.40.1
> 

-- 
Matt Roper
Graphics Software Engineer
Linux GPU Platform Enablement
Intel Corporation

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