On Mon, Jun 19, 2017 at 12:06:07PM -0700, Manasi Navare wrote:
> I have tested this for PORT A and works great to give HPD live status.
> Thanks for the patch. Looks good to me.
>
> On Thu, Jun 15, 2017 at 08:12:52PM +0300, ville.syrj...@linux.intel.com wrote:
> > From: Ville Syrjälä <ville.syrj...@linux.intel.com>
> >
> > Add the missing port A handling to intel_digital_port_connected()
> > and also separate SPT from the CPT/LPT code a bit.
> >
> Reviewed-by: Manasi Navare <manasi.d.nav...@intel.com>
Thanks. Pushed to dinq.
> > Cc: Manasi Navare <manasi.d.nav...@intel.com>
> > Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> > ---
> > drivers/gpu/drm/i915/intel_dp.c | 83
> > ++++++++++++++++++++++++++++++++++-------
> > 1 file changed, 70 insertions(+), 13 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_dp.c
> > b/drivers/gpu/drm/i915/intel_dp.c
> > index 64fa774c855b..bca4ac12f950 100644
> > --- a/drivers/gpu/drm/i915/intel_dp.c
> > +++ b/drivers/gpu/drm/i915/intel_dp.c
> > @@ -4418,8 +4418,6 @@ static bool ibx_digital_port_connected(struct
> > drm_i915_private *dev_priv,
> > u32 bit;
> >
> > switch (port->port) {
> > - case PORT_A:
> > - return true;
> > case PORT_B:
> > bit = SDE_PORTB_HOTPLUG;
> > break;
> > @@ -4443,8 +4441,6 @@ static bool cpt_digital_port_connected(struct
> > drm_i915_private *dev_priv,
> > u32 bit;
> >
> > switch (port->port) {
> > - case PORT_A:
> > - return true;
> > case PORT_B:
> > bit = SDE_PORTB_HOTPLUG_CPT;
> > break;
> > @@ -4454,12 +4450,28 @@ static bool cpt_digital_port_connected(struct
> > drm_i915_private *dev_priv,
> > case PORT_D:
> > bit = SDE_PORTD_HOTPLUG_CPT;
> > break;
> > + default:
> > + MISSING_CASE(port->port);
> > + return false;
> > + }
> > +
> > + return I915_READ(SDEISR) & bit;
> > +}
> > +
> > +static bool spt_digital_port_connected(struct drm_i915_private *dev_priv,
> > + struct intel_digital_port *port)
> > +{
> > + u32 bit;
> > +
> > + switch (port->port) {
> > + case PORT_A:
> > + bit = SDE_PORTA_HOTPLUG_SPT;
> > + break;
> > case PORT_E:
> > bit = SDE_PORTE_HOTPLUG_SPT;
> > break;
> > default:
> > - MISSING_CASE(port->port);
> > - return false;
> > + return cpt_digital_port_connected(dev_priv, port);
> > }
> >
> > return I915_READ(SDEISR) & bit;
> > @@ -4511,6 +4523,42 @@ static bool gm45_digital_port_connected(struct
> > drm_i915_private *dev_priv,
> > return I915_READ(PORT_HOTPLUG_STAT) & bit;
> > }
> >
> > +static bool ilk_digital_port_connected(struct drm_i915_private *dev_priv,
> > + struct intel_digital_port *port)
> > +{
> > + if (port->port == PORT_A)
> > + return I915_READ(DEISR) & DE_DP_A_HOTPLUG;
> > + else
> > + return ibx_digital_port_connected(dev_priv, port);
> > +}
> > +
> > +static bool snb_digital_port_connected(struct drm_i915_private *dev_priv,
> > + struct intel_digital_port *port)
> > +{
> > + if (port->port == PORT_A)
> > + return I915_READ(DEISR) & DE_DP_A_HOTPLUG;
> > + else
> > + return cpt_digital_port_connected(dev_priv, port);
> > +}
> > +
> > +static bool ivb_digital_port_connected(struct drm_i915_private *dev_priv,
> > + struct intel_digital_port *port)
> > +{
> > + if (port->port == PORT_A)
> > + return I915_READ(DEISR) & DE_DP_A_HOTPLUG_IVB;
> > + else
> > + return cpt_digital_port_connected(dev_priv, port);
> > +}
> > +
> > +static bool bdw_digital_port_connected(struct drm_i915_private *dev_priv,
> > + struct intel_digital_port *port)
> > +{
> > + if (port->port == PORT_A)
> > + return I915_READ(GEN8_DE_PORT_ISR) & GEN8_PORT_DP_A_HOTPLUG;
> > + else
> > + return cpt_digital_port_connected(dev_priv, port);
> > +}
> > +
> > static bool bxt_digital_port_connected(struct drm_i915_private *dev_priv,
> > struct intel_digital_port
> > *intel_dig_port)
> > {
> > @@ -4547,16 +4595,25 @@ static bool bxt_digital_port_connected(struct
> > drm_i915_private *dev_priv,
> > bool intel_digital_port_connected(struct drm_i915_private *dev_priv,
> > struct intel_digital_port *port)
> > {
> > - if (HAS_PCH_IBX(dev_priv))
> > - return ibx_digital_port_connected(dev_priv, port);
> > - else if (HAS_PCH_SPLIT(dev_priv))
> > - return cpt_digital_port_connected(dev_priv, port);
> > + if (HAS_GMCH_DISPLAY(dev_priv)) {
> > + if (IS_GM45(dev_priv))
> > + return gm45_digital_port_connected(dev_priv, port);
> > + else
> > + return g4x_digital_port_connected(dev_priv, port);
> > + }
> > +
> > + if (IS_GEN5(dev_priv))
> > + return ilk_digital_port_connected(dev_priv, port);
> > + else if (IS_GEN6(dev_priv))
> > + return snb_digital_port_connected(dev_priv, port);
> > + else if (IS_GEN7(dev_priv))
> > + return ivb_digital_port_connected(dev_priv, port);
> > + else if (IS_GEN8(dev_priv))
> > + return bdw_digital_port_connected(dev_priv, port);
> > else if (IS_GEN9_LP(dev_priv))
> > return bxt_digital_port_connected(dev_priv, port);
> > - else if (IS_GM45(dev_priv))
> > - return gm45_digital_port_connected(dev_priv, port);
> > else
> > - return g4x_digital_port_connected(dev_priv, port);
> > + return spt_digital_port_connected(dev_priv, port);
> > }
> >
> > static struct edid *
> > --
> > 2.13.0
> >
--
Ville Syrjälä
Intel OTC
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