diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hdmi.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index 187a2b828b97..0ebec69bbbfc 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -2959,6 +2959,28 @@ static u8 icl_port_to_ddc_pin(struct drm_i915_private *dev_priv, enum port port) return ddc_pin; } +static u8 mcc_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; + default: + MISSING_CASE(port); + ddc_pin = GMBUS_PIN_1_BXT; + break; + } + return ddc_pin; +} + static u8 g4x_port_to_ddc_pin(struct drm_i915_private *dev_priv, enum port port) { @@ -2995,7 +3017,9 @@ static u8 intel_hdmi_ddc_pin(struct drm_i915_private *dev_priv, return info->alternate_ddc_pin; } - if (HAS_PCH_ICP(dev_priv)) + if (HAS_PCH_MCC(dev_priv)) + ddc_pin = mcc_port_to_ddc_pin(dev_priv, port); + else if (HAS_PCH_ICP(dev_priv)) ddc_pin = icl_port_to_ddc_pin(dev_priv, port); else if (HAS_PCH_CNP(dev_priv)) ddc_pin = cnp_port_to_ddc_pin(dev_priv, port); |