Re: [PATCH v4 2/4] drm/i915: Switch to using port stored in intel_encoder

From: Lyude Paul <cpaul@redhat.com>
To: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>,
	intel-gfx@lists.freedesktop.org
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>, libin.yang@linux.intel.com
Subject: Re: [PATCH v4 2/4] drm/i915: Switch to using port stored in intel_encoder
Date: Mon, 29 Aug 2016 17:23:10 -0400	[thread overview]
Message-ID: <1472505790.22738.1.camel@redhat.com> (raw)
In-Reply-To: <1472023380-29923-3-git-send-email-dhinakaran.pandiyan@intel.com>

Looks like a much better solution then the previous one.

Reviewed-by: Lyude <cpaul@redhat.com>

On Wed, 2016-08-24 at 00:22 -0700, Dhinakaran Pandiyan wrote:
> Now that we have the port enum stored in intel_encoder, use that instead of
> dereferencing intel_dig_port. Saves us a few locals.
> 
> struct intel_encoder variables have been renamed to be consistent and
> convey type information.
> 
> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_audio.c | 39 +++++++++++++++--------------------
> ---
>  1 file changed, 15 insertions(+), 24 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_audio.c
> b/drivers/gpu/drm/i915/intel_audio.c
> index d32f586..5a41439 100644
> --- a/drivers/gpu/drm/i915/intel_audio.c
> +++ b/drivers/gpu/drm/i915/intel_audio.c
> @@ -276,17 +276,15 @@ static void hsw_audio_codec_disable(struct intel_encoder
> *encoder)
>  }
>  
>  static void hsw_audio_codec_enable(struct drm_connector *connector,
> -				   struct intel_encoder *encoder,
> +				   struct intel_encoder *intel_encoder,
>  				   const struct drm_display_mode
> *adjusted_mode)
>  {
>  	struct drm_i915_private *dev_priv = to_i915(connector->dev);
> -	struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
> +	struct intel_crtc *intel_crtc = to_intel_crtc(intel_encoder-
> >base.crtc);
>  	enum pipe pipe = intel_crtc->pipe;
> +	enum port port = intel_encoder->attached_port;
>  	struct i915_audio_component *acomp = dev_priv->audio_component;
>  	const uint8_t *eld = connector->eld;
> -	struct intel_digital_port *intel_dig_port =
> -		enc_to_dig_port(&encoder->base);
> -	enum port port = intel_dig_port->port;
>  	uint32_t tmp;
>  	int len, i;
>  	int n, rate;
> @@ -355,14 +353,12 @@ static void hsw_audio_codec_enable(struct drm_connector
> *connector,
>  	mutex_unlock(&dev_priv->av_mutex);
>  }
>  
> -static void ilk_audio_codec_disable(struct intel_encoder *encoder)
> +static void ilk_audio_codec_disable(struct intel_encoder *intel_encoder)
>  {
> -	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> -	struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
> -	struct intel_digital_port *intel_dig_port =
> -		enc_to_dig_port(&encoder->base);
> -	enum port port = intel_dig_port->port;
> +	struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev);
> +	struct intel_crtc *intel_crtc = to_intel_crtc(intel_encoder-
> >base.crtc);
>  	enum pipe pipe = intel_crtc->pipe;
> +	enum port port = intel_encoder->attached_port;
>  	uint32_t tmp, eldv;
>  	i915_reg_t aud_config, aud_cntrl_st2;
>  
> @@ -402,18 +398,15 @@ static void ilk_audio_codec_disable(struct intel_encoder
> *encoder)
>  }
>  
>  static void ilk_audio_codec_enable(struct drm_connector *connector,
> -				   struct intel_encoder *encoder,
> +				   struct intel_encoder *intel_encoder,
>  				   const struct drm_display_mode
> *adjusted_mode)
>  {
>  	struct drm_i915_private *dev_priv = to_i915(connector->dev);
> -	struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
> -	struct intel_digital_port *intel_dig_port =
> -		enc_to_dig_port(&encoder->base);
> -	enum port port = intel_dig_port->port;
> +	struct intel_crtc *intel_crtc = to_intel_crtc(intel_encoder-
> >base.crtc);
>  	enum pipe pipe = intel_crtc->pipe;
> +	enum port port = intel_encoder->attached_port;
>  	uint8_t *eld = connector->eld;
> -	uint32_t eldv;
> -	uint32_t tmp;
> +	uint32_t tmp, eldv;
>  	int len, i;
>  	i915_reg_t hdmiw_hdmiedid, aud_config, aud_cntl_st, aud_cntrl_st2;
>  
> @@ -495,11 +488,10 @@ void intel_audio_codec_enable(struct intel_encoder
> *intel_encoder)
>  	struct intel_crtc *crtc = to_intel_crtc(encoder->crtc);
>  	const struct drm_display_mode *adjusted_mode = &crtc->config-
> >base.adjusted_mode;
>  	struct drm_connector *connector;
> -	struct drm_device *dev = encoder->dev;
> -	struct drm_i915_private *dev_priv = to_i915(dev);
> +	struct drm_i915_private *dev_priv = to_i915(encoder->dev);
>  	struct i915_audio_component *acomp = dev_priv->audio_component;
>  	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
> -	enum port port = intel_dig_port->port;
> +	enum port port = intel_encoder->attached_port;
>  
>  	connector = drm_select_eld(encoder);
>  	if (!connector)
> @@ -542,11 +534,10 @@ void intel_audio_codec_enable(struct intel_encoder
> *intel_encoder)
>  void intel_audio_codec_disable(struct intel_encoder *intel_encoder)
>  {
>  	struct drm_encoder *encoder = &intel_encoder->base;
> -	struct drm_device *dev = encoder->dev;
> -	struct drm_i915_private *dev_priv = to_i915(dev);
> +	struct drm_i915_private *dev_priv = to_i915(encoder->dev);
>  	struct i915_audio_component *acomp = dev_priv->audio_component;
>  	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
> -	enum port port = intel_dig_port->port;
> +	enum port port = intel_encoder->attached_port;
>  
>  	if (dev_priv->display.audio_codec_disable)
>  		dev_priv->display.audio_codec_disable(intel_encoder);
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