diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index e7ebacd51432..1ff063e31584 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4576,6 +4576,29 @@ static bool vlv_digital_port_connected(struct drm_i915_private *dev_priv, return I915_READ(PORT_HOTPLUG_STAT) & bit; } +static bool bxt_digital_port_connected(struct drm_i915_private *dev_priv, + struct intel_digital_port *port) +{ + u32 bit; + + switch (port->port) { + case PORT_A: + bit = BXT_DE_PORT_HP_DDIA; + break; + case PORT_B: + bit = BXT_DE_PORT_HP_DDIB; + break; + case PORT_C: + bit = BXT_DE_PORT_HP_DDIC; + break; + default: + MISSING_CASE(port->port); + return false; + } + + return I915_READ(GEN8_DE_PORT_ISR) & bit; +} + /* * intel_digital_port_connected - is the specified port connected? * @dev_priv: i915 private structure @@ -4590,6 +4613,8 @@ static bool intel_digital_port_connected(struct drm_i915_private *dev_priv, return ibx_digital_port_connected(dev_priv, port); if (HAS_PCH_SPLIT(dev_priv)) return cpt_digital_port_connected(dev_priv, port); + else if (IS_BROXTON(dev_priv)) + return bxt_digital_port_connected(dev_priv, port); else if (IS_VALLEYVIEW(dev_priv)) return vlv_digital_port_connected(dev_priv, port); else |