[Intel-gfx] [PATCH v2 5/6] drm/i915/display: use port_info in intel_ddi_init

Jani Nikula jani.nikula at linux.intel.com
Wed Jul 1 15:24:07 UTC 2020


On Wed, 24 Jun 2020, Lucas De Marchi <lucas.demarchi at intel.com> wrote:
> Now that we have tables for all platforms using ddi, keep the port_info
> around so we can use it for decisions like "what phy does it have?"
> instead of keep checking the platform/gen everywhere.

Reviewed-by: Jani Nikula <jani.nikula at intel.com>

>
> Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_ddi.c      | 39 ++++++++++++-------
>  drivers/gpu/drm/i915/display/intel_ddi.h      |  8 +++-
>  drivers/gpu/drm/i915/display/intel_display.c  |  2 +-
>  .../drm/i915/display/intel_display_types.h    |  3 ++
>  4 files changed, 37 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index ca7bb2294d2b..27e2f29f47a2 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -4844,12 +4844,24 @@ intel_ddi_max_lanes(struct intel_digital_port *intel_dport)
>  	return max_lanes;
>  }
>  
> -void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
> +bool intel_ddi_has_tc_phy(const struct intel_digital_port *dig_port)
>  {
> +	return dig_port->port_info->phy_type == PHY_TYPE_MG ||
> +		dig_port->port_info->phy_type == PHY_TYPE_DKL;
> +}
> +
> +bool intel_ddi_has_combo_phy(const struct intel_digital_port *dig_port)
> +{
> +	return dig_port->port_info->phy_type == PHY_TYPE_COMBO;
> +}
> +
> +void intel_ddi_init(struct drm_i915_private *dev_priv,
> +		    const struct intel_ddi_port_info *port_info)
> +{
> +	enum port port = port_info->port;
>  	struct intel_digital_port *intel_dig_port;
>  	struct intel_encoder *encoder;
>  	bool init_hdmi, init_dp, init_lspcon = false;
> -	enum phy phy = intel_port_to_phy(dev_priv, port);
>  
>  	init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) ||
>  		intel_bios_port_supports_hdmi(dev_priv, port);
> @@ -4864,14 +4876,14 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>  		init_dp = true;
>  		init_lspcon = true;
>  		init_hdmi = false;
> -		drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
> -			    port_name(port));
> +		drm_dbg_kms(&dev_priv->drm, "VBT says port %s has lspcon\n",
> +			    port_info->name);
>  	}
>  
>  	if (!init_dp && !init_hdmi) {
>  		drm_dbg_kms(&dev_priv->drm,
> -			    "VBT says port %c is not DVI/HDMI/DP compatible, respect it\n",
> -			    port_name(port));
> +			    "VBT says port %s is not DVI/HDMI/DP compatible, respect it\n",
> +			    port_info->name);
>  		return;
>  	}
>  
> @@ -4882,7 +4894,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>  	encoder = &intel_dig_port->base;
>  
>  	drm_encoder_init(&dev_priv->drm, &encoder->base, &intel_ddi_funcs,
> -			 DRM_MODE_ENCODER_TMDS, "DDI %c", port_name(port));
> +			 DRM_MODE_ENCODER_TMDS, port_info->name);
>  
>  	encoder->hotplug = intel_ddi_hotplug;
>  	encoder->compute_output_type = intel_ddi_compute_output_type;
> @@ -4917,8 +4929,9 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>  	intel_dig_port->dp.output_reg = INVALID_MMIO_REG;
>  	intel_dig_port->max_lanes = intel_ddi_max_lanes(intel_dig_port);
>  	intel_dig_port->aux_ch = intel_bios_port_aux_ch(dev_priv, port);
> +	intel_dig_port->port_info = port_info;
>  
> -	if (intel_phy_is_tc(dev_priv, phy)) {
> +	if (intel_ddi_has_tc_phy(intel_dig_port)) {
>  		bool is_legacy =
>  			!intel_bios_port_supports_typec_usb(dev_priv, port) &&
>  			!intel_bios_port_supports_tbt(dev_priv, port);
> @@ -4951,20 +4964,20 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
>  		if (lspcon_init(intel_dig_port))
>  			/* TODO: handle hdmi info frame part */
>  			drm_dbg_kms(&dev_priv->drm,
> -				    "LSPCON init success on port %c\n",
> -				    port_name(port));
> +				    "LSPCON init success on port %s\n",
> +				    port_info->name);
>  		else
>  			/*
>  			 * LSPCON init faied, but DP init was success, so
>  			 * lets try to drive as DP++ port.
>  			 */
>  			drm_err(&dev_priv->drm,
> -				"LSPCON init failed on port %c\n",
> -				port_name(port));
> +				"LSPCON init failed on port %s\n",
> +				port_info->name);
>  	}
>  
>  	if (INTEL_GEN(dev_priv) >= 11) {
> -		if (intel_phy_is_tc(dev_priv, phy))
> +		if (intel_ddi_has_tc_phy(intel_dig_port))
>  			intel_dig_port->connected = intel_tc_port_connected;
>  		else
>  			intel_dig_port->connected = lpt_digital_port_connected;
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.h b/drivers/gpu/drm/i915/display/intel_ddi.h
> index 077e9dbbe367..059d87171c81 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.h
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.h
> @@ -13,6 +13,7 @@ struct drm_i915_private;
>  struct intel_connector;
>  struct intel_crtc;
>  struct intel_crtc_state;
> +struct intel_ddi_port_info;
>  struct intel_dp;
>  struct intel_dpll_hw_state;
>  struct intel_encoder;
> @@ -23,7 +24,8 @@ void intel_ddi_fdi_post_disable(struct intel_atomic_state *state,
>  				const struct drm_connector_state *old_conn_state);
>  void hsw_fdi_link_train(struct intel_encoder *encoder,
>  			const struct intel_crtc_state *crtc_state);
> -void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port);
> +void intel_ddi_init(struct drm_i915_private *dev_priv,
> +		    const struct intel_ddi_port_info *port_info);
>  bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
>  void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder,
>  				      const struct intel_crtc_state *crtc_state);
> @@ -46,4 +48,8 @@ int intel_ddi_toggle_hdcp_signalling(struct intel_encoder *intel_encoder,
>  				     bool enable);
>  void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder);
>  
> +
> +bool intel_ddi_has_tc_phy(const struct intel_digital_port *dig_port);
> +bool intel_ddi_has_combo_phy(const struct intel_digital_port *dig_port);
> +
>  #endif /* __INTEL_DDI_H__ */
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index d591063502c5..001b44c004ab 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -16880,7 +16880,7 @@ static void setup_ddi_outputs_desc(struct drm_i915_private *i915,
>  		if (test_bit(port_info->port, &disable_mask))
>  			continue;
>  
> -		intel_ddi_init(i915, port_info->port);
> +		intel_ddi_init(i915, port_info);
>  	}
>  }
>  
> diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
> index df587219c744..7f2156e6966f 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> @@ -1402,6 +1402,9 @@ struct intel_digital_port {
>  	enum intel_display_power_domain ddi_io_power_domain;
>  	struct mutex tc_lock;	/* protects the TypeC port mode */
>  	intel_wakeref_t tc_lock_wakeref;
> +
> +	const struct intel_ddi_port_info *port_info;
> +
>  	int tc_link_refcount;
>  	bool tc_legacy_port:1;
>  	char tc_port_name[8];

-- 
Jani Nikula, Intel Open Source Graphics Center


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