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-rw-r--r--shared-core/i915_irq.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c
index 6afa9ca3..4f72d885 100644
--- a/shared-core/i915_irq.c
+++ b/shared-core/i915_irq.c
@@ -227,7 +227,7 @@ void i915_user_irq_off(drm_i915_private_t *dev_priv)
{
spin_lock(&dev_priv->user_irq_lock);
if (dev_priv->irq_enabled && (--dev_priv->user_irq_refcount == 0)) {
- dev_priv->irq_enable_reg &= ~USER_INT_FLAG;
+ // dev_priv->irq_enable_reg &= ~USER_INT_FLAG;
// I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
}
spin_unlock(&dev_priv->user_irq_lock);
@@ -344,17 +344,14 @@ int i915_irq_wait(DRM_IOCTL_ARGS)
static void i915_enable_interrupt (drm_device_t *dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- u16 flag;
- flag = 0;
+ dev_priv->irq_enable_reg = USER_INT_FLAG; //&= ~(VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG);
if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A)
- flag |= VSYNC_PIPEA_FLAG;
+ dev_priv->irq_enable_reg |= VSYNC_PIPEA_FLAG;
if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)
- flag |= VSYNC_PIPEB_FLAG;
- dev_priv->user_irq_lock = SPIN_LOCK_UNLOCKED;
- dev_priv->user_irq_refcount = 0;
- dev_priv->irq_enable_reg = flag;
- I915_WRITE16(I915REG_INT_ENABLE_R, flag);
+ dev_priv->irq_enable_reg |= VSYNC_PIPEB_FLAG;
+
+ I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
dev_priv->irq_enabled = 1;
}
@@ -540,6 +537,9 @@ void i915_driver_irq_postinstall(drm_device_t * dev)
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);