diff options
| author | Matt Roper <matthew.d.roper@intel.com> | 2019-06-14 17:42:10 -0700 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2019-06-17 13:40:20 -0700 |
| commit | c6f7acb80abf5f73be4ee08541e3393a0146b15e (patch) | |
| tree | 630dc79db0f9f5c1074d8528a07a711825a39d71 /drivers/gpu/drm/i915/display/intel_hdmi.c | |
| parent | 32a1963148277407f7af0160da2b7c0527afc8a4 (diff) | |
drm/i915/ehl: Introduce Mule Creek Canyon PCH
Although EHL introduces a new PCH, the South Display part of the PCH
that we care about is nearly identical to ICP, just with some pins
remapped. Most notably, Port C is mapped to the pins that ICP uses for
TC Port 1.
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190615004210.16656-1-matthew.d.roper@intel.com
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); |