Re: [PATCH v2] drm/i915: Explicit the connector name for DP link training result

[Daniel Vetter]

On Tue, Jul 18, 2017 at 12:20:36PM -0700, Manasi Navare wrote:
> On Tue, Jul 18, 2017 at 05:25:36PM +0300, Paul Kocialkowski wrote:
> > This adds the connector name when printing a debug message about the DP
> > link training result. It is useful to figure out what connector is
> > failing when multiple DP connectors are used.
> >
> 
> Thanks for the patch, this does make sense during the link training
> failure debugging to know the connector name.
> While at it feel free to change "Failed", "Link Rate, Lane Count", to upper case
> in the failure_handling case to be consistent with the pass case.
> 
> Reviewed-by: Manasi Navare <manasi.d.navare@xxxxxxxxx>

Applied, thanks.
-Daniel

> 
> Manasi
> 
> > Signed-off-by: Paul Kocialkowski <paul.kocialkowski@xxxxxxxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/intel_dp_link_training.c | 8 ++++++--
> >  1 file changed, 6 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_dp_link_training.c b/drivers/gpu/drm/i915/intel_dp_link_training.c
> > index b79c1c0e404c..05907fa8a553 100644
> > --- a/drivers/gpu/drm/i915/intel_dp_link_training.c
> > +++ b/drivers/gpu/drm/i915/intel_dp_link_training.c
> > @@ -321,12 +321,16 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
> >  	if (!intel_dp_link_training_channel_equalization(intel_dp))
> >  		goto failure_handling;
> >  
> > -	DRM_DEBUG_KMS("Link Training Passed at Link Rate = %d, Lane count = %d",
> > +	DRM_DEBUG_KMS("[CONNECTOR:%d:%s] Link Training Passed at Link Rate = %d, Lane count = %d",
> > +		      intel_connector->base.base.id,
> > +		      intel_connector->base.name,
> >  		      intel_dp->link_rate, intel_dp->lane_count);
> >  	return;
> >  
> >   failure_handling:
> > -	DRM_DEBUG_KMS("Link Training failed at link rate = %d, lane count = %d",
> > +	DRM_DEBUG_KMS("[CONNECTOR:%d:%s] Link Training failed at link rate = %d, lane count = %d",
> > +		      intel_connector->base.base.id,
> > +		      intel_connector->base.name,
> >  		      intel_dp->link_rate, intel_dp->lane_count);
> >  	if (!intel_dp_get_link_train_fallback_values(intel_dp,
> >  						     intel_dp->link_rate,
> > -- 
> > 2.13.2
> > 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch