Re: [PATCH] drm/i915/bios: debug log ddi port info after parsing

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On Tue, Jun 21, 2022 at 03:37:32PM +0300, Jani Nikula wrote:
> The ddc pin and aux channel sanitization may disable DVI/HDMI and DP,
> respectively, of ports parsed earlier, in "last one wins" fashion. With
> parsing and printing interleaved, we'll end up logging support first and
> disabling later anyway.
> 
> Now that we've split ddi port info parsing and printing, take it further
> by doing the printing in a separate loop, fixing the logging.
> 
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>

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

> ---
>  drivers/gpu/drm/i915/display/intel_bios.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
> index ab23324c0402..51dde5bfd956 100644
> --- a/drivers/gpu/drm/i915/display/intel_bios.c
> +++ b/drivers/gpu/drm/i915/display/intel_bios.c
> @@ -2670,8 +2670,6 @@ static void parse_ddi_port(struct intel_bios_encoder_data *devdata)
>  
>  	sanitize_device_type(devdata, port);
>  
> -	print_ddi_port(devdata, port);
> -
>  	if (intel_bios_encoder_supports_dvi(devdata))
>  		sanitize_ddc_pin(devdata, port);
>  
> @@ -2689,12 +2687,18 @@ static bool has_ddi_port_info(struct drm_i915_private *i915)
>  static void parse_ddi_ports(struct drm_i915_private *i915)
>  {
>  	struct intel_bios_encoder_data *devdata;
> +	enum port port;
>  
>  	if (!has_ddi_port_info(i915))
>  		return;
>  
>  	list_for_each_entry(devdata, &i915->vbt.display_devices, node)
>  		parse_ddi_port(devdata);
> +
> +	for_each_port(port) {
> +		if (i915->vbt.ports[port])
> +			print_ddi_port(i915->vbt.ports[port], port);
> +	}
>  }
>  
>  static void
> -- 
> 2.30.2

-- 
Ville Syrjälä
Intel



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