[Intel-gfx] [PATCH 04/15] drm/i915: Remove pointless 'ddi_translations' local variable

[Daniel Vetter]

On Tue, Dec 08, 2015 at 07:59:39PM +0200, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> skl_get_buf_trans_*() don't need the 'ddi_translations' local variable
> since all they with is assign and return. Just return the right thing
> directly and get rid of the local variable.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

> ---
>  drivers/gpu/drm/i915/intel_ddi.c | 44 +++++++++++++++-------------------------
>  1 file changed, 16 insertions(+), 28 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index fdb4aaa084d6..f8517ed4d636 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -348,75 +348,63 @@ intel_dig_port_supports_hdmi(const struct intel_digital_port *intel_dig_port)
>  	return i915_mmio_reg_valid(intel_dig_port->hdmi.hdmi_reg);
>  }
>  
> -static const struct ddi_buf_trans *skl_get_buf_trans_dp(struct drm_device *dev,
> -							int *n_entries)
> +static const struct ddi_buf_trans *
> +skl_get_buf_trans_dp(struct drm_device *dev, int *n_entries)
>  {
> -	const struct ddi_buf_trans *ddi_translations;
> -
>  	if (IS_SKL_ULX(dev)) {
> -		ddi_translations = skl_y_ddi_translations_dp;
>  		*n_entries = ARRAY_SIZE(skl_y_ddi_translations_dp);
> +		return skl_y_ddi_translations_dp;
>  	} else if (IS_SKL_ULT(dev)) {
> -		ddi_translations = skl_u_ddi_translations_dp;
>  		*n_entries = ARRAY_SIZE(skl_u_ddi_translations_dp);
> +		return skl_u_ddi_translations_dp;
>  	} else {
> -		ddi_translations = skl_ddi_translations_dp;
>  		*n_entries = ARRAY_SIZE(skl_ddi_translations_dp);
> +		return skl_ddi_translations_dp;
>  	}
> -
> -	return ddi_translations;
>  }
>  
> -static const struct ddi_buf_trans *skl_get_buf_trans_edp(struct drm_device *dev,
> -							 int *n_entries)
> +static const struct ddi_buf_trans *
> +skl_get_buf_trans_edp(struct drm_device *dev, int *n_entries)
>  {
>  	struct drm_i915_private *dev_priv = dev->dev_private;
> -	const struct ddi_buf_trans *ddi_translations;
>  
>  	if (IS_SKL_ULX(dev)) {
>  		if (dev_priv->edp_low_vswing) {
> -			ddi_translations = skl_y_ddi_translations_edp;
>  			*n_entries = ARRAY_SIZE(skl_y_ddi_translations_edp);
> +			return skl_y_ddi_translations_edp;
>  		} else {
> -			ddi_translations = skl_y_ddi_translations_dp;
>  			*n_entries = ARRAY_SIZE(skl_y_ddi_translations_dp);
> +			return skl_y_ddi_translations_dp;
>  		}
>  	} else if (IS_SKL_ULT(dev)) {
>  		if (dev_priv->edp_low_vswing) {
> -			ddi_translations = skl_u_ddi_translations_edp;
>  			*n_entries = ARRAY_SIZE(skl_u_ddi_translations_edp);
> +			return skl_u_ddi_translations_edp;
>  		} else {
> -			ddi_translations = skl_u_ddi_translations_dp;
>  			*n_entries = ARRAY_SIZE(skl_u_ddi_translations_dp);
> +			return skl_u_ddi_translations_dp;
>  		}
>  	} else {
>  		if (dev_priv->edp_low_vswing) {
> -			ddi_translations = skl_ddi_translations_edp;
>  			*n_entries = ARRAY_SIZE(skl_ddi_translations_edp);
> +			return skl_ddi_translations_edp;
>  		} else {
> -			ddi_translations = skl_ddi_translations_dp;
>  			*n_entries = ARRAY_SIZE(skl_ddi_translations_dp);
> +			return skl_ddi_translations_dp;
>  		}
>  	}
> -
> -	return ddi_translations;
>  }
>  
>  static const struct ddi_buf_trans *
> -skl_get_buf_trans_hdmi(struct drm_device *dev,
> -		       int *n_entries)
> +skl_get_buf_trans_hdmi(struct drm_device *dev, int *n_entries)
>  {
> -	const struct ddi_buf_trans *ddi_translations;
> -
>  	if (IS_SKL_ULX(dev)) {
> -		ddi_translations = skl_y_ddi_translations_hdmi;
>  		*n_entries = ARRAY_SIZE(skl_y_ddi_translations_hdmi);
> +		return skl_y_ddi_translations_hdmi;
>  	} else {
> -		ddi_translations = skl_ddi_translations_hdmi;
>  		*n_entries = ARRAY_SIZE(skl_ddi_translations_hdmi);
> +		return skl_ddi_translations_hdmi;
>  	}
> -
> -	return ddi_translations;
>  }
>  
>  /*
> -- 
> 2.4.10
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch