diff options
Diffstat (limited to 'shared-core/i915_irq.c')
| -rw-r--r-- | shared-core/i915_irq.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c index 5da54107..dc00f983 100644 --- a/shared-core/i915_irq.c +++ b/shared-core/i915_irq.c @@ -294,6 +294,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) return IRQ_NONE; I915_WRITE16(I915REG_INT_IDENTITY_R, temp); + (void) I915_READ16(I915REG_INT_IDENTITY_R); + DRM_READMEMORYBARRIER(); dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); @@ -713,22 +715,13 @@ void i915_driver_irq_postinstall(drm_device_t * dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - dev_priv->swaps_lock = SPIN_LOCK_UNLOCKED; - INIT_LIST_HEAD(&dev_priv->vbl_swaps.head); - dev_priv->swaps_pending = 0; - - if (!dev_priv->vblank_pipe) - dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A; - - dev_priv->swaps_lock = SPIN_LOCK_UNLOCKED; + spin_lock_init(&dev_priv->swaps_lock); INIT_LIST_HEAD(&dev_priv->vbl_swaps.head); dev_priv->swaps_pending = 0; dev_priv->user_irq_lock = SPIN_LOCK_UNLOCKED; dev_priv->user_irq_refcount = 0; - if (!dev_priv->vblank_pipe) - dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A; i915_enable_interrupt(dev); DRM_INIT_WAITQUEUE(&dev_priv->irq_queue); |