[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 15:13:25 UTC 2020


On Fri, Jan 17, 2020 at 05:12:38PM +0200, Ville Syrjälä wrote:
> 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?

Umm, no. We accept DVO_PORT_CRT as PORT_E.

> 
> >  	}
> >  
> >  	/* FIXME maybe deal with port A as well? */
> > -- 
> > 2.20.1
> > 
> > _______________________________________________
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> > Intel-gfx at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> -- 
> Ville Syrjälä
> Intel

-- 
Ville Syrjälä
Intel


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