Re: [PATCH 3/5] drm/i915/cfl: Basic DDI plumbing for Coffee Lake.

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On Wed, 2017-06-07 at 18:04 +0000, Pandiyan, Dhinakaran wrote:
> On Tue, 2017-06-06 at 12:20 -0700, Rodrigo Vivi wrote:
> > All here is pretty much like Kabylake.
> > 
> > Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
> > Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/intel_ddi.c | 6 +++---
> >  1 file changed, 3 insertions(+), 3 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> > index 8bac628..5b5bee6 100644
> > --- a/drivers/gpu/drm/i915/intel_ddi.c
> > +++ b/drivers/gpu/drm/i915/intel_ddi.c
> > @@ -429,7 +429,7 @@ enum port intel_ddi_get_encoder_port(struct intel_encoder *encoder)
> >  		}
> >  	}
> >  
> 
> I don't see the corresponding change in the caller
> intel_ddi_get_buf_trans_edp(). 
> 
> 
> > -	if (IS_KABYLAKE(dev_priv))
> > +	if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv))
> >  		return kbl_get_buf_trans_dp(dev_priv, n_entries);
> >  	else
> >  		return skl_get_buf_trans_dp(dev_priv, n_entries);
> > @@ -485,7 +485,7 @@ static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port por
> >  intel_ddi_get_buf_trans_dp(struct drm_i915_private *dev_priv,
> >  			   int *n_entries)
> >  {
> > -	if (IS_KABYLAKE(dev_priv)) {
> > +	if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) {
> 
> What SKU's are being supported here? Anusha's sent patches for U, H and
> S. I see distinct ddi_translation definitions for KBL U SKU's but I see
> them missing for CFL in the callee kbl_get_buf_trans_dp. 

good catch! CFL-U is same as KBL-U and according to hardware engineers
should start with same translation table. If something changes in the
future we update here.

I will rebase and put this patch on top of PCI ID ones so I reuse the
Anusha's definition to get CFL-U.

> 
> 
> -DK
> 
> 
> >  		return kbl_get_buf_trans_dp(dev_priv, n_entries);
> >  	} else if (IS_SKYLAKE(dev_priv)) {
> >  		return skl_get_buf_trans_dp(dev_priv, n_entries);
> > @@ -1478,7 +1478,7 @@ static void skl_ddi_set_iboost(struct intel_encoder *encoder, u32 level)
> >  		if (dp_iboost) {
> >  			iboost = dp_iboost;
> >  		} else {
> > -			if (IS_KABYLAKE(dev_priv))
> > +			if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv))
> >  				ddi_translations = kbl_get_buf_trans_dp(dev_priv,
> >  									&n_entries);
> >  			else
> 

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