Re: [PATCH 2/2] drm/i915: Unify ICP and MCC hotplug pin tables

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On Wed, Sep 18, 2019 at 05:45:27PM -0700, Souza, Jose wrote:
> On Wed, 2019-09-18 at 16:56 -0700, Matt Roper wrote:
> > The MCC hpd table is just a subset of the ICP table; we can eliminate
> > it
> > and use the ICP table everywhere.  The extra pins in the table won't
> > be
> > a problem for MCC since we still supply an appropriate hotplug
> > trigger
> > mask anywhere the pin table is used.
> > 
> 
> Reviewed-by: José Roberto de Souza <jose.souza@xxxxxxxxx>

Applied both to dinq.  Thanks for the reviews.


Matt

> 
> > Cc: José Roberto de Souza <jose.souza@xxxxxxxxx>
> > Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/i915_irq.c | 10 ++--------
> >  1 file changed, 2 insertions(+), 8 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/i915_irq.c
> > b/drivers/gpu/drm/i915/i915_irq.c
> > index ae7228032d2c..bc83f094065a 100644
> > --- a/drivers/gpu/drm/i915/i915_irq.c
> > +++ b/drivers/gpu/drm/i915/i915_irq.c
> > @@ -157,12 +157,6 @@ static const u32 hpd_icp[HPD_NUM_PINS] = {
> >  	[HPD_PORT_F] = SDE_TC_HOTPLUG_ICP(PORT_TC4),
> >  };
> >  
> > -static const u32 hpd_mcc[HPD_NUM_PINS] = {
> > -	[HPD_PORT_A] = SDE_DDI_HOTPLUG_ICP(PORT_A),
> > -	[HPD_PORT_B] = SDE_DDI_HOTPLUG_ICP(PORT_B),
> > -	[HPD_PORT_C] = SDE_TC_HOTPLUG_ICP(PORT_TC1),
> > -};
> > -
> >  static const u32 hpd_tgp[HPD_NUM_PINS] = {
> >  	[HPD_PORT_A] = SDE_DDI_HOTPLUG_ICP(PORT_A),
> >  	[HPD_PORT_B] = SDE_DDI_HOTPLUG_ICP(PORT_B),
> > @@ -2258,7 +2252,7 @@ static void icp_irq_handler(struct
> > drm_i915_private *dev_priv, u32 pch_iir)
> >  	} else if (HAS_PCH_MCC(dev_priv)) {
> >  		ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_TGP;
> >  		tc_hotplug_trigger = 0;
> > -		pins = hpd_mcc;
> > +		pins = hpd_icp;
> >  	} else {
> >  		ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_ICP;
> >  		tc_hotplug_trigger = pch_iir & SDE_TC_MASK_ICP;
> > @@ -3434,7 +3428,7 @@ static void mcc_hpd_irq_setup(struct
> > drm_i915_private *dev_priv)
> >  	icp_hpd_irq_setup(dev_priv,
> >  			  SDE_DDI_MASK_TGP, 0,
> >  			  TGP_DDI_HPD_ENABLE_MASK, 0,
> > -			  hpd_mcc);
> > +			  hpd_icp);
> >  }
> >  
> >  static void gen11_hpd_detection_setup(struct drm_i915_private
> > *dev_priv)

-- 
Matt Roper
Graphics Software Engineer
VTT-OSGC Platform Enablement
Intel Corporation
(916) 356-2795
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