[Intel-gfx] [PATCH 8/9] drm/i915/bios: check port presence based on child device

Ville Syrjälä ville.syrjala at linux.intel.com
Fri Jan 17 15:12:38 UTC 2020


On Fri, Jan 17, 2020 at 04:29:28PM +0200, Jani Nikula wrote:
> Affects only two calls in output setup, and ddi init will check the
> features in more fine grained way.
> 
> This will make future changes easier.
> 
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_bios.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
> index 4c69253739ec..70fb87e7afb6 100644
> --- a/drivers/gpu/drm/i915/display/intel_bios.c
> +++ b/drivers/gpu/drm/i915/display/intel_bios.c
> @@ -2236,9 +2236,7 @@ bool intel_bios_is_port_present(struct drm_i915_private *dev_priv, enum port por
>  		const struct ddi_vbt_port_info *port_info =
>  			&dev_priv->vbt.ddi_port_info[port];
>  
> -		return port_info->supports_dp ||
> -		       port_info->supports_dvi ||
> -		       port_info->supports_hdmi;
> +		return port_info->child;

Pondering what happens if there's a non-DP/DVI/HDMI port declared in the
VBT... I guess those should not have their dvo port set to anything we
accept?

>  	}
>  
>  	/* FIXME maybe deal with port A as well? */
> -- 
> 2.20.1
> 
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-- 
Ville Syrjälä
Intel


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