Re: [PATCH 4/9] drm/i915: Move bxt_ddi_vswing_sequence() call into intel_ddi_pre_enable() for HDMI

[Imre Deak <imre.deak@intel.com>]

On ti, 2016-07-12 at 15:59 +0300, ville.syrjala@linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> Now that the SKL iboost programming is done from intel_ddi_pre_enable()
> for HDMI, let's move the BXT bxt_ddi_vswing_sequence() call there as
> well. This makes things look more similar to the DP/eDP case which
> is handled in ddi_signal_levels().
> 
> Cc: Imre Deak <imre.deak@intel.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

Reviewed-by: Imre Deak <imre.deak@intel.com>

> ---
>  drivers/gpu/drm/i915/intel_ddi.c | 15 ++++-----------
>  1 file changed, 4 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index 09fe580dfd49..52589bbea8da 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -301,9 +301,6 @@ static const struct bxt_ddi_buf_trans bxt_ddi_translations_hdmi[] = {
>  	{ 154, 0x9A, 1, 128, true },	/* 9:	1200		0   */
>  };
>  
> -static void bxt_ddi_vswing_sequence(struct drm_i915_private *dev_priv,
> -				    u32 level, enum port port, int type);
> -
>  static void ddi_get_encoder_port(struct intel_encoder *intel_encoder,
>  				 struct intel_digital_port **dig_port,
>  				 enum port *port)
> @@ -446,15 +443,8 @@ void intel_prepare_ddi_buffer(struct intel_encoder *encoder)
>  	port = intel_ddi_get_encoder_port(encoder);
>  	hdmi_level = intel_ddi_hdmi_level(dev_priv, port);
>  
> -	if (IS_BROXTON(dev_priv)) {
> -		if (encoder->type != INTEL_OUTPUT_HDMI)
> -			return;
> -
> -		/* Vswing programming for HDMI */
> -		bxt_ddi_vswing_sequence(dev_priv, hdmi_level, port,
> -					INTEL_OUTPUT_HDMI);
> +	if (IS_BROXTON(dev_priv))
>  		return;
> -	}
>  
>  	if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
>  		ddi_translations_fdi = NULL;
> @@ -1676,6 +1666,9 @@ static void intel_ddi_pre_enable(struct intel_encoder *intel_encoder)
>  
>  		if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))
>  			skl_ddi_set_iboost(intel_encoder, level);
> +		else if (IS_BROXTON(dev_priv))
> +			bxt_ddi_vswing_sequence(dev_priv, level, port,
> +						INTEL_OUTPUT_HDMI);
>  
>  		intel_hdmi->set_infoframes(encoder,
>  					   crtc->config->has_hdmi_sink,
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