DRM/i915: Get rid if the 'hotplug_supported_mask' in struct drm_i915_private.

Now since we have replaced the bits to show interest in hotplug IRQs
we can go and nuke the 'hotplug_supported_mask'.

Signed-off-by: Egbert Eich <eich@suse.de>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/i915_drv.h

@@ -922,7 +922,6 @@ typedef struct drm_i915_private {
 	u32 irq_mask;
 	u32 gt_irq_mask;
 
-	u32 hotplug_supported_mask;
 	struct work_struct hotplug_work;
 	bool enable_hotplug_processing;
 

drivers/gpu/drm/i915/intel_crt.c

@@ -799,8 +799,6 @@ void intel_crt_init(struct drm_device *dev)
 	 */
 	crt->force_hotplug_required = 0;
 
-	dev_priv->hotplug_supported_mask |= CRT_HOTPLUG_INT_STATUS;
-
 	/*
 	 * TODO: find a proper way to discover whether we need to set the the
 	 * polarity and link reversal bits or not, instead of relying on the

drivers/gpu/drm/i915/intel_dp.c

@@ -2825,17 +2825,14 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
 		name = "DPDDC-A";
 		break;
 	case PORT_B:
-		dev_priv->hotplug_supported_mask |= PORTB_HOTPLUG_INT_STATUS;
 		intel_encoder->hpd_pin = HPD_PORT_B;
 		name = "DPDDC-B";
 		break;
 	case PORT_C:
-		dev_priv->hotplug_supported_mask |= PORTC_HOTPLUG_INT_STATUS;
 		intel_encoder->hpd_pin = HPD_PORT_C;
 		name = "DPDDC-C";
 		break;
 	case PORT_D:
-		dev_priv->hotplug_supported_mask |= PORTD_HOTPLUG_INT_STATUS;
 		intel_encoder->hpd_pin = HPD_PORT_D;
 		name = "DPDDC-D";
 		break;

drivers/gpu/drm/i915/intel_hdmi.c

@@ -989,17 +989,14 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
 	case PORT_B:
 		intel_hdmi->ddc_bus = GMBUS_PORT_DPB;
 		intel_encoder->hpd_pin = HPD_PORT_B;
-		dev_priv->hotplug_supported_mask |= PORTB_HOTPLUG_INT_STATUS;
 		break;
 	case PORT_C:
 		intel_hdmi->ddc_bus = GMBUS_PORT_DPC;
 		intel_encoder->hpd_pin = HPD_PORT_C;
-		dev_priv->hotplug_supported_mask |= PORTC_HOTPLUG_INT_STATUS;
 		break;
 	case PORT_D:
 		intel_hdmi->ddc_bus = GMBUS_PORT_DPD;
 		intel_encoder->hpd_pin = HPD_PORT_D;
-		dev_priv->hotplug_supported_mask |= PORTD_HOTPLUG_INT_STATUS;
 		break;
 	case PORT_A:
 		intel_encoder->hpd_pin = HPD_PORT_A;

drivers/gpu/drm/i915/intel_sdvo.c

@@ -2779,6 +2779,9 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
 			SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915;
 	}
 
+	/* Only enable the hotplug irq if we need it, to work around noisy
+	 * hotplug lines.
+	 */
 	if (intel_sdvo->hotplug_active)
 		intel_encoder->hpd_pin = HPD_SDVO_B ? HPD_SDVO_B : HPD_SDVO_C;
 
@@ -2810,12 +2813,6 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
 	 */
 	intel_sdvo->base.cloneable = false;
 
-	/* Only enable the hotplug irq if we need it, to work around noisy
-	 * hotplug lines.
-	 */
-	if (intel_sdvo->hotplug_active)
-		dev_priv->hotplug_supported_mask |= hotplug_mask;
-
 	intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
 
 	/* Set the input timing to the screen. Assume always input 0. */