Re: [PATCH 03/30] drm/i915/display: remove PORT_F workaround for CNL

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On Fri, Jul 23, 2021 at 05:10:47PM -0700, Lucas De Marchi wrote:
> Explicit support for CNL is being removed from the driver as it's not
> expected to work. Remove the workaround for PORT_F from
> display/intel_bios.c so we can also remove the generic DISPLAY_VER == 10
> calls to intel_ddi_init(): the only platform with that display version
> is already handled separately (GLK).
> 
> Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>

Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/display/intel_bios.c    | 6 +++---
>  drivers/gpu/drm/i915/display/intel_display.c | 7 -------
>  2 files changed, 3 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
> index aa667fa71158..4172c8ee6aa6 100644
> --- a/drivers/gpu/drm/i915/display/intel_bios.c
> +++ b/drivers/gpu/drm/i915/display/intel_bios.c
> @@ -1871,12 +1871,12 @@ intel_bios_encoder_supports_edp(const struct intel_bios_encoder_data *devdata)
>  static bool is_port_valid(struct drm_i915_private *i915, enum port port)
>  {
>  	/*
> -	 * On some ICL/CNL SKUs port F is not present, but broken VBTs mark
> +	 * On some ICL SKUs port F is not present, but broken VBTs mark
>  	 * the port as present. Only try to initialize port F for the
>  	 * SKUs that may actually have it.
>  	 */
> -	if (port == PORT_F && (IS_ICELAKE(i915) || IS_CANNONLAKE(i915)))
> -		return IS_ICL_WITH_PORT_F(i915) || IS_CNL_WITH_PORT_F(i915);
> +	if (port == PORT_F && IS_ICELAKE(i915))
> +		return IS_ICL_WITH_PORT_F(i915);
>  
>  	return true;
>  }
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 4633d4e00e6b..ee6d5f8de24b 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -11409,13 +11409,6 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
>  		intel_ddi_init(dev_priv, PORT_B);
>  		intel_ddi_init(dev_priv, PORT_C);
>  		vlv_dsi_init(dev_priv);
> -	} else if (DISPLAY_VER(dev_priv) == 10) {
> -		intel_ddi_init(dev_priv, PORT_A);
> -		intel_ddi_init(dev_priv, PORT_B);
> -		intel_ddi_init(dev_priv, PORT_C);
> -		intel_ddi_init(dev_priv, PORT_D);
> -		intel_ddi_init(dev_priv, PORT_E);
> -		intel_ddi_init(dev_priv, PORT_F);
>  	} else if (DISPLAY_VER(dev_priv) >= 9) {
>  		intel_ddi_init(dev_priv, PORT_A);
>  		intel_ddi_init(dev_priv, PORT_B);
> -- 
> 2.31.1
> 

-- 
Matt Roper
Graphics Software Engineer
VTT-OSGC Platform Enablement
Intel Corporation
(916) 356-2795
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