Update 2.6.36 to 2.6.36.4wip-dissipation2-jerickso

1 files changed, 16 insertions, 5 deletions

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 744225ebb4b2..477e4ac66639 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -310,6 +310,7 @@ irqreturn_t ironlake_irq_handler(struct drm_device *dev)
         drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
         int ret = IRQ_NONE;
         u32 de_iir, gt_iir, de_ier, pch_iir;
+        u32 hotplug_mask;
         struct drm_i915_master_private *master_priv;
         struct intel_ring_buffer *render_ring = &dev_priv->render_ring;
 
@@ -325,6 +326,11 @@ irqreturn_t ironlake_irq_handler(struct drm_device *dev)
         if (de_iir == 0 && gt_iir == 0 && pch_iir == 0)
                 goto done;
 
+        if (HAS_PCH_CPT(dev))
+                hotplug_mask = SDE_HOTPLUG_MASK_CPT;
+        else
+                hotplug_mask = SDE_HOTPLUG_MASK;
+
         ret = IRQ_HANDLED;
 
         if (dev->primary->master) {
@@ -366,10 +372,8 @@ irqreturn_t ironlake_irq_handler(struct drm_device *dev)
                 drm_handle_vblank(dev, 1);
 
         /* check event from PCH */
-        if ((de_iir & DE_PCH_EVENT) &&
-            (pch_iir & SDE_HOTPLUG_MASK)) {
+        if ((de_iir & DE_PCH_EVENT) && (pch_iir & hotplug_mask))
                 queue_work(dev_priv->wq, &dev_priv->hotplug_work);
-        }
 
         if (de_iir & DE_PCU_EVENT) {
                 I915_WRITE16(MEMINTRSTS, I915_READ(MEMINTRSTS));
@@ -1424,8 +1428,7 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
         u32 display_mask = DE_MASTER_IRQ_CONTROL | DE_GSE | DE_PCH_EVENT |
                            DE_PLANEA_FLIP_DONE | DE_PLANEB_FLIP_DONE;
         u32 render_mask = GT_PIPE_NOTIFY | GT_BSD_USER_INTERRUPT;
-        u32 hotplug_mask = SDE_CRT_HOTPLUG | SDE_PORTB_HOTPLUG |
-                           SDE_PORTC_HOTPLUG | SDE_PORTD_HOTPLUG;
+        u32 hotplug_mask;
 
         dev_priv->irq_mask_reg = ~display_mask;
         dev_priv->de_irq_enable_reg = display_mask | DE_PIPEA_VBLANK | DE_PIPEB_VBLANK;
@@ -1450,6 +1453,14 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
         I915_WRITE(GTIER, dev_priv->gt_irq_enable_reg);
         (void) I915_READ(GTIER);
 
+        if (HAS_PCH_CPT(dev)) {
+                hotplug_mask = SDE_CRT_HOTPLUG_CPT | SDE_PORTB_HOTPLUG_CPT  |
+                               SDE_PORTC_HOTPLUG_CPT | SDE_PORTD_HOTPLUG_CPT ;
+        } else {
+                hotplug_mask = SDE_CRT_HOTPLUG | SDE_PORTB_HOTPLUG |
+                               SDE_PORTC_HOTPLUG | SDE_PORTD_HOTPLUG;
+        }
+
         dev_priv->pch_irq_mask_reg = ~hotplug_mask;
         dev_priv->pch_irq_enable_reg = hotplug_mask;