diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 5601673c3f30..75339bb25fd7 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -4689,6 +4689,96 @@ intel_ddi_hotplug(struct intel_encoder *encoder, return state; } +static bool lpt_digital_port_connected(struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + u32 bit; + + switch (encoder->hpd_pin) { + case HPD_PORT_B: + bit = SDE_PORTB_HOTPLUG_CPT; + break; + case HPD_PORT_C: + bit = SDE_PORTC_HOTPLUG_CPT; + break; + case HPD_PORT_D: + bit = SDE_PORTD_HOTPLUG_CPT; + break; + default: + MISSING_CASE(encoder->hpd_pin); + return false; + } + + return intel_de_read(dev_priv, SDEISR) & bit; +} + +static bool spt_digital_port_connected(struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + u32 bit; + + switch (encoder->hpd_pin) { + case HPD_PORT_A: + bit = SDE_PORTA_HOTPLUG_SPT; + break; + case HPD_PORT_E: + bit = SDE_PORTE_HOTPLUG_SPT; + break; + default: + return lpt_digital_port_connected(encoder); + } + + return intel_de_read(dev_priv, SDEISR) & bit; +} + +static bool hsw_digital_port_connected(struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + + return intel_de_read(dev_priv, DEISR) & DE_DP_A_HOTPLUG_IVB; +} + +static bool bdw_digital_port_connected(struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + + return intel_de_read(dev_priv, GEN8_DE_PORT_ISR) & GEN8_PORT_DP_A_HOTPLUG; +} + +static bool bxt_digital_port_connected(struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + u32 bit; + + switch (encoder->hpd_pin) { + case HPD_PORT_A: + bit = BXT_DE_PORT_HP_DDIA; + break; + case HPD_PORT_B: + bit = BXT_DE_PORT_HP_DDIB; + break; + case HPD_PORT_C: + bit = BXT_DE_PORT_HP_DDIC; + break; + default: + MISSING_CASE(encoder->hpd_pin); + return false; + } + + return intel_de_read(dev_priv, GEN8_DE_PORT_ISR) & bit; +} + +static bool icp_digital_port_connected(struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + + if (HAS_PCH_MCC(dev_priv) && phy == PHY_C) + return intel_de_read(dev_priv, SDEISR) & SDE_TC_HOTPLUG_ICP(PORT_TC1); + + return intel_de_read(dev_priv, SDEISR) & SDE_DDI_HOTPLUG_ICP(phy); +} + static struct intel_connector * intel_ddi_init_hdmi_connector(struct intel_digital_port *intel_dig_port) { @@ -4885,6 +4975,25 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) port_name(port)); } + if (INTEL_GEN(dev_priv) >= 11) { + if (intel_phy_is_tc(dev_priv, phy)) + intel_dig_port->connected = intel_tc_port_connected; + else + intel_dig_port->connected = icp_digital_port_connected; + } else if (IS_GEN9_LP(dev_priv)) { + intel_dig_port->connected = bxt_digital_port_connected; + } else if (port == PORT_A) { + if (INTEL_GEN(dev_priv) >= 8) + intel_dig_port->connected = bdw_digital_port_connected; + else + intel_dig_port->connected = hsw_digital_port_connected; + } else { + if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT) + intel_dig_port->connected = spt_digital_port_connected; + else + intel_dig_port->connected = lpt_digital_port_connected; + } + intel_infoframe_init(intel_dig_port); return; |