* there's nothing connected to the port.
*/
if (type == DRM_DP_DUAL_MODE_UNKNOWN) {
- if (has_edid &&
+ /* An overridden EDID imply that we want this port for testing.
+ * Make sure not to set limits for that port.
+ */
+ if (has_edid && !connector->override_edid &&
intel_bios_is_port_dp_dual_mode(dev_priv, port)) {
DRM_DEBUG_KMS("Assuming DP dual mode adaptor presence based on VBT\n");
type = DRM_DP_DUAL_MODE_TYPE1_DVI;
struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
struct edid *edid;
bool connected = false;
+ struct i2c_adapter *i2c;
intel_display_power_get(dev_priv, POWER_DOMAIN_GMBUS);
- edid = drm_get_edid(connector,
- intel_gmbus_get_adapter(dev_priv,
- intel_hdmi->ddc_bus));
+ i2c = intel_gmbus_get_adapter(dev_priv, intel_hdmi->ddc_bus);
+
+ edid = drm_get_edid(connector, i2c);
+
+ if (!edid && !intel_gmbus_is_forced_bit(i2c)) {
+ DRM_DEBUG_KMS("HDMI GMBUS EDID read failed, retry using GPIO bit-banging\n");
+ intel_gmbus_force_bit(i2c, true);
+ edid = drm_get_edid(connector, i2c);
+ intel_gmbus_force_bit(i2c, false);
+ }
intel_hdmi_dp_dual_mode_detect(connector, edid != NULL);
case PORT_D:
ddc_pin = GMBUS_PIN_4_CNP;
break;
+ case PORT_F:
+ ddc_pin = GMBUS_PIN_3_BXT;
+ break;
default:
MISSING_CASE(port);
ddc_pin = GMBUS_PIN_1_BXT;
return ddc_pin;
}
+static u8 icl_port_to_ddc_pin(struct drm_i915_private *dev_priv, enum port port)
+{
+ u8 ddc_pin;
+
+ switch (port) {
+ case PORT_A:
+ ddc_pin = GMBUS_PIN_1_BXT;
+ break;
+ case PORT_B:
+ ddc_pin = GMBUS_PIN_2_BXT;
+ break;
+ case PORT_C:
+ ddc_pin = GMBUS_PIN_9_TC1_ICP;
+ break;
+ case PORT_D:
+ ddc_pin = GMBUS_PIN_10_TC2_ICP;
+ break;
+ case PORT_E:
+ ddc_pin = GMBUS_PIN_11_TC3_ICP;
+ break;
+ case PORT_F:
+ ddc_pin = GMBUS_PIN_12_TC4_ICP;
+ break;
+ default:
+ MISSING_CASE(port);
+ ddc_pin = GMBUS_PIN_2_BXT;
+ break;
+ }
+ return ddc_pin;
+}
+
static u8 g4x_port_to_ddc_pin(struct drm_i915_private *dev_priv,
enum port port)
{
ddc_pin = bxt_port_to_ddc_pin(dev_priv, port);
else if (HAS_PCH_CNP(dev_priv))
ddc_pin = cnp_port_to_ddc_pin(dev_priv, port);
+ else if (IS_ICELAKE(dev_priv))
+ ddc_pin = icl_port_to_ddc_pin(dev_priv, port);
else
ddc_pin = g4x_port_to_ddc_pin(dev_priv, port);
if (WARN_ON(port == PORT_A))
return;
- intel_encoder->hpd_pin = intel_hpd_pin(port);
+ intel_encoder->hpd_pin = intel_hpd_pin_default(dev_priv, port);
if (HAS_DDI(dev_priv))
intel_connector->get_hw_state = intel_ddi_connector_get_hw_state;