diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 78 |
1 files changed, 43 insertions, 35 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 1db7e1edd00d..689dfe65d27b 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4485,40 +4485,46 @@ static bool ibx_digital_port_connected(struct drm_i915_private *dev_priv, { u32 bit; - if (HAS_PCH_IBX(dev_priv->dev)) { - switch (port->port) { - case PORT_A: - return true; - case PORT_B: - bit = SDE_PORTB_HOTPLUG; - break; - case PORT_C: - bit = SDE_PORTC_HOTPLUG; - break; - case PORT_D: - bit = SDE_PORTD_HOTPLUG; - break; - default: - MISSING_CASE(port->port); - return false; - } - } else { - switch (port->port) { - case PORT_A: - return true; - case PORT_B: - bit = SDE_PORTB_HOTPLUG_CPT; - break; - case PORT_C: - bit = SDE_PORTC_HOTPLUG_CPT; - break; - case PORT_D: - bit = SDE_PORTD_HOTPLUG_CPT; - break; - default: - MISSING_CASE(port->port); - return false; - } + switch (port->port) { + case PORT_A: + return true; + case PORT_B: + bit = SDE_PORTB_HOTPLUG; + break; + case PORT_C: + bit = SDE_PORTC_HOTPLUG; + break; + case PORT_D: + bit = SDE_PORTD_HOTPLUG; + break; + default: + MISSING_CASE(port->port); + return false; + } + + return I915_READ(SDEISR) & bit; +} + +static bool cpt_digital_port_connected(struct drm_i915_private *dev_priv, + struct intel_digital_port *port) +{ + u32 bit; + + switch (port->port) { + case PORT_A: + return true; + case PORT_B: + bit = SDE_PORTB_HOTPLUG_CPT; + break; + case PORT_C: + bit = SDE_PORTC_HOTPLUG_CPT; + break; + case PORT_D: + bit = SDE_PORTD_HOTPLUG_CPT; + break; + default: + MISSING_CASE(port->port); + return false; } return I915_READ(SDEISR) & bit; @@ -4574,8 +4580,10 @@ static bool g4x_digital_port_connected(struct drm_i915_private *dev_priv, static bool intel_digital_port_connected(struct drm_i915_private *dev_priv, struct intel_digital_port *port) { - if (HAS_PCH_SPLIT(dev_priv)) + if (HAS_PCH_IBX(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 return g4x_digital_port_connected(dev_priv, port); } |