[Intel-gfx] [PATCH] drm/i915: Only complain about n_edp_entries with eDP ports

Ville Syrjälä ville.syrjala at linux.intel.com
Tue Jan 12 08:57:49 PST 2016


On Tue, Jan 12, 2016 at 04:55:24PM +0100, Daniel Vetter wrote:
> On Tue, Jan 12, 2016 at 05:28:16PM +0200, ville.syrjala at linux.intel.com wrote:
> > From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > 
> > commit 10afa0b65fe2 ("drm/i915: Reject >9 ddi translation entried if port != A/E on SKL")
> > added sanity checks to make sure we don't end up with too many ddi translation
> > values for eDP ports, but it actually failed to check if the port is eDP.
> > We still look up the edp translations for non-eDP ports, but don't use
> > them, so we shouldn't be complaining about them either.
> > 
> > Fixes: 10afa0b65fe2 ("drm/i915: Reject >9 ddi translation entried if port != A/E on SKL")
> > Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

Pushed to dinq. Thanks for the review, and sorry for the BAT noise.

> > ---
> >  drivers/gpu/drm/i915/intel_ddi.c | 5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> > index d348506f847c..1f9a3687b540 100644
> > --- a/drivers/gpu/drm/i915/intel_ddi.c
> > +++ b/drivers/gpu/drm/i915/intel_ddi.c
> > @@ -436,8 +436,9 @@ void intel_prepare_ddi_buffer(struct intel_encoder *encoder)
> >  		    dev_priv->vbt.ddi_port_info[port].dp_boost_level)
> >  			iboost_bit = 1<<31;
> >  
> > -		if (WARN_ON(port != PORT_A &&
> > -			    port != PORT_E && n_edp_entries > 9))
> > +		if (WARN_ON(encoder->type == INTEL_OUTPUT_EDP &&
> > +			    port != PORT_A && port != PORT_E &&
> > +			    n_edp_entries > 9))
> >  			n_edp_entries = 9;
> >  	} else if (IS_BROADWELL(dev_priv)) {
> >  		ddi_translations_fdi = bdw_ddi_translations_fdi;
> > -- 
> > 2.4.10
> > 
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/intel-gfx
> 
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch

-- 
Ville Syrjälä
Intel OTC


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