On Mon, Aug 10, 2015 at 10:58:55AM +0530, Sivakumar Thulasimani wrote: > Reviewed-by: Sivakumar Thulasimani <sivakumar.thulasimani@xxxxxxxxx> > > On 8/10/2015 10:35 AM, Sonika Jindal wrote: > >WA for BXT A0/A1, where DDIB's HPD pin is swapped to DDIA, so enabling > >DDIA HPD pin in place of DDIB. > > > >v2: For DP, irq_port is used to determine the encoder instead of > >hpd_pin and removing the edp HPD logic because port A HPD is not > >present(Imre) > >v3: Rebased on top of Imre's patchset for enabling HPD on PORT A. > >Added hpd_pin swapping for intel_dp_init_connector, setting encoder > >for PORT_A as per the WA in irq_port (Imre) > >v4: Dont enable interrupt for edp, also reframe the description (Siva) > >v5: Don’t check for PORT_A in intel_ddi_init to update dig_port, > >instead avoid setting hpd_pin itself (Imre) > > > >Signed-off-by: Sonika Jindal <sonika.jindal@xxxxxxxxx> Merged patches 2&3 from this series, thanks. -Daniel > >--- > > drivers/gpu/drm/i915/intel_ddi.c | 10 +++++++++- > > drivers/gpu/drm/i915/intel_dp.c | 2 ++ > > drivers/gpu/drm/i915/intel_hdmi.c | 9 ++++++++- > > 3 files changed, 19 insertions(+), 2 deletions(-) > > > >diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c > >index e2c6f73..777e3a3 100644 > >--- a/drivers/gpu/drm/i915/intel_ddi.c > >+++ b/drivers/gpu/drm/i915/intel_ddi.c > >@@ -3225,7 +3225,15 @@ void intel_ddi_init(struct drm_device *dev, enum port port) > > goto err; > > intel_dig_port->hpd_pulse = intel_dp_hpd_pulse; > >- dev_priv->hotplug.irq_port[port] = intel_dig_port; > >+ /* > >+ * On BXT A0/A1, sw needs to activate DDIA HPD logic and > >+ * interrupts to check the external panel connection. > >+ */ > >+ if (IS_BROXTON(dev_priv) && (INTEL_REVID(dev) < BXT_REVID_B0) > >+ && port == PORT_B) > >+ dev_priv->hotplug.irq_port[PORT_A] = intel_dig_port; > >+ else > >+ dev_priv->hotplug.irq_port[port] = intel_dig_port; > > } > > /* In theory we don't need the encoder->type check, but leave it just in > >diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c > >index 5a614c9..7fab3e5 100644 > >--- a/drivers/gpu/drm/i915/intel_dp.c > >+++ b/drivers/gpu/drm/i915/intel_dp.c > >@@ -5788,6 +5788,8 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, > > break; > > case PORT_B: > > intel_encoder->hpd_pin = HPD_PORT_B; > >+ if (IS_BROXTON(dev_priv) && (INTEL_REVID(dev) < BXT_REVID_B0)) > >+ intel_encoder->hpd_pin = HPD_PORT_A; > > break; > > case PORT_C: > > intel_encoder->hpd_pin = HPD_PORT_C; > >diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c > >index 70bad5b..94fa716 100644 > >--- a/drivers/gpu/drm/i915/intel_hdmi.c > >+++ b/drivers/gpu/drm/i915/intel_hdmi.c > >@@ -1973,7 +1973,14 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, > > intel_hdmi->ddc_bus = GMBUS_PIN_1_BXT; > > else > > intel_hdmi->ddc_bus = GMBUS_PIN_DPB; > >- intel_encoder->hpd_pin = HPD_PORT_B; > >+ /* > >+ * On BXT A0/A1, sw needs to activate DDIA HPD logic and > >+ * interrupts to check the external panel connection. > >+ */ > >+ if (IS_BROXTON(dev_priv) && (INTEL_REVID(dev) < BXT_REVID_B0)) > >+ intel_encoder->hpd_pin = HPD_PORT_A; > >+ else > >+ intel_encoder->hpd_pin = HPD_PORT_B; > > break; > > case PORT_C: > > if (IS_BROXTON(dev_priv)) > > -- > regards, > Sivakumar > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
