Re: [PATCH 6/8] drm/i915/cnl: Move ddi buf trans related functions up.

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On Tue, Aug 29, 2017 at 04:22:28PM -0700, Rodrigo Vivi wrote:
> No functional changes. But those functions will be needed
> to get max level for HDMI and DP, so let's move those
> up closer to other similar functions existent for previous
> platforms.
> 
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>

Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/intel_ddi.c | 122 +++++++++++++++++++--------------------
>  1 file changed, 61 insertions(+), 61 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index 7b547a7f6c2b..3ce02cbd4483 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -588,6 +588,67 @@ skl_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries)
>  	}
>  }
>  
> +static const struct cnl_ddi_buf_trans *
> +cnl_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries)
> +{
> +	u32 voltage = I915_READ(CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK;
> +
> +	if (voltage == VOLTAGE_INFO_0_85V) {
> +		*n_entries = ARRAY_SIZE(cnl_ddi_translations_hdmi_0_85V);
> +		return cnl_ddi_translations_hdmi_0_85V;
> +	} else if (voltage == VOLTAGE_INFO_0_95V) {
> +		*n_entries = ARRAY_SIZE(cnl_ddi_translations_hdmi_0_95V);
> +		return cnl_ddi_translations_hdmi_0_95V;
> +	} else if (voltage == VOLTAGE_INFO_1_05V) {
> +		*n_entries = ARRAY_SIZE(cnl_ddi_translations_hdmi_1_05V);
> +		return cnl_ddi_translations_hdmi_1_05V;
> +	} else
> +		MISSING_CASE(voltage);
> +	return NULL;
> +}
> +
> +static const struct cnl_ddi_buf_trans *
> +cnl_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries)
> +{
> +	u32 voltage = I915_READ(CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK;
> +
> +	if (voltage == VOLTAGE_INFO_0_85V) {
> +		*n_entries = ARRAY_SIZE(cnl_ddi_translations_dp_0_85V);
> +		return cnl_ddi_translations_dp_0_85V;
> +	} else if (voltage == VOLTAGE_INFO_0_95V) {
> +		*n_entries = ARRAY_SIZE(cnl_ddi_translations_dp_0_95V);
> +		return cnl_ddi_translations_dp_0_95V;
> +	} else if (voltage == VOLTAGE_INFO_1_05V) {
> +		*n_entries = ARRAY_SIZE(cnl_ddi_translations_dp_1_05V);
> +		return cnl_ddi_translations_dp_1_05V;
> +	} else
> +		MISSING_CASE(voltage);
> +	return NULL;
> +}
> +
> +static const struct cnl_ddi_buf_trans *
> +cnl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries)
> +{
> +	u32 voltage = I915_READ(CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK;
> +
> +	if (dev_priv->vbt.edp.low_vswing) {
> +		if (voltage == VOLTAGE_INFO_0_85V) {
> +			*n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_0_85V);
> +			return cnl_ddi_translations_edp_0_85V;
> +		} else if (voltage == VOLTAGE_INFO_0_95V) {
> +			*n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_0_95V);
> +			return cnl_ddi_translations_edp_0_95V;
> +		} else if (voltage == VOLTAGE_INFO_1_05V) {
> +			*n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_1_05V);
> +			return cnl_ddi_translations_edp_1_05V;
> +		} else
> +			MISSING_CASE(voltage);
> +		return NULL;
> +	} else {
> +		return cnl_get_buf_trans_dp(dev_priv, n_entries);
> +	}
> +}
> +
>  static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port port)
>  {
>  	int n_hdmi_entries;
> @@ -1829,67 +1890,6 @@ u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder)
>  		DP_TRAIN_VOLTAGE_SWING_MASK;
>  }
>  
> -static const struct cnl_ddi_buf_trans *
> -cnl_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries)
> -{
> -	u32 voltage = I915_READ(CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK;
> -
> -	if (voltage == VOLTAGE_INFO_0_85V) {
> -		*n_entries = ARRAY_SIZE(cnl_ddi_translations_hdmi_0_85V);
> -		return cnl_ddi_translations_hdmi_0_85V;
> -	} else if (voltage == VOLTAGE_INFO_0_95V) {
> -		*n_entries = ARRAY_SIZE(cnl_ddi_translations_hdmi_0_95V);
> -		return cnl_ddi_translations_hdmi_0_95V;
> -	} else if (voltage == VOLTAGE_INFO_1_05V) {
> -		*n_entries = ARRAY_SIZE(cnl_ddi_translations_hdmi_1_05V);
> -		return cnl_ddi_translations_hdmi_1_05V;
> -	} else
> -		MISSING_CASE(voltage);
> -	return NULL;
> -}
> -
> -static const struct cnl_ddi_buf_trans *
> -cnl_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries)
> -{
> -	u32 voltage = I915_READ(CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK;
> -
> -	if (voltage == VOLTAGE_INFO_0_85V) {
> -		*n_entries = ARRAY_SIZE(cnl_ddi_translations_dp_0_85V);
> -		return cnl_ddi_translations_dp_0_85V;
> -	} else if (voltage == VOLTAGE_INFO_0_95V) {
> -		*n_entries = ARRAY_SIZE(cnl_ddi_translations_dp_0_95V);
> -		return cnl_ddi_translations_dp_0_95V;
> -	} else if (voltage == VOLTAGE_INFO_1_05V) {
> -		*n_entries = ARRAY_SIZE(cnl_ddi_translations_dp_1_05V);
> -		return cnl_ddi_translations_dp_1_05V;
> -	} else
> -		MISSING_CASE(voltage);
> -	return NULL;
> -}
> -
> -static const struct cnl_ddi_buf_trans *
> -cnl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries)
> -{
> -	u32 voltage = I915_READ(CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK;
> -
> -	if (dev_priv->vbt.edp.low_vswing) {
> -		if (voltage == VOLTAGE_INFO_0_85V) {
> -			*n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_0_85V);
> -			return cnl_ddi_translations_edp_0_85V;
> -		} else if (voltage == VOLTAGE_INFO_0_95V) {
> -			*n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_0_95V);
> -			return cnl_ddi_translations_edp_0_95V;
> -		} else if (voltage == VOLTAGE_INFO_1_05V) {
> -			*n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_1_05V);
> -			return cnl_ddi_translations_edp_1_05V;
> -		} else
> -			MISSING_CASE(voltage);
> -		return NULL;
> -	} else {
> -		return cnl_get_buf_trans_dp(dev_priv, n_entries);
> -	}
> -}
> -
>  static void cnl_ddi_vswing_program(struct drm_i915_private *dev_priv,
>  				    u32 level, enum port port, int type)
>  {
> -- 
> 2.13.2
> 
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> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Ville Syrjälä
Intel OTC
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