[PATCH 28/28] drm/i915/dp: add pre-PCH eDP checking to DP detect for VLV

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On Wed, 6 Mar 2013 20:05:59 +0100
Daniel Vetter <daniel at ffwll.ch> wrote:

> On Fri, Mar 01, 2013 at 01:14:31PM -0800, Jesse Barnes wrote:
> > Allows us to detect eDP panels that may not have the hotplug pin wired up.
> > 
> > Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> 
> Historically the lid status is horribly broken which is why it's disabled
> by default. What changed to now enable it unconditionally? Is this a
> requirement on vlv?
> -Daniel
> 
> > ---
> >  drivers/gpu/drm/i915/intel_dp.c |   10 ++++++++++
> >  1 file changed, 10 insertions(+)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> > index 05e1000..c127cb7 100644
> > --- a/drivers/gpu/drm/i915/intel_dp.c
> > +++ b/drivers/gpu/drm/i915/intel_dp.c
> > @@ -2413,6 +2413,16 @@ g4x_dp_detect(struct intel_dp *intel_dp)
> >  	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
> >  	uint32_t bit;
> >  
> > +	/* Can't disconnect eDP, but you can close the lid... */
> > +	if (is_edp(intel_dp)) {
> > +		enum drm_connector_status status;
> > +
> > +		status = intel_panel_detect(dev);
> > +		if (status == connector_status_unknown)
> > +			status = connector_status_connected;
> > +		return status;
> > +	}
> > +

Well this doesn't touch the panel_detect() stuff at all, where we have
the hacks to avoid using _LID...

-- 
Jesse Barnes, Intel Open Source Technology Center


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