diff options
Diffstat (limited to 'shared-core/i915_irq.c')
-rw-r--r-- | shared-core/i915_irq.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c index 8bd2804f..693e9429 100644 --- a/shared-core/i915_irq.c +++ b/shared-core/i915_irq.c @@ -432,19 +432,22 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) u32 iir; u32 pipea_stats = 0, pipeb_stats = 0; int vblank = 0; - +#ifdef __linux__ if (dev->pdev->msi_enabled) I915_WRITE(IMR, ~0); +#endif iir = I915_READ(IIR); #if 0 DRM_DEBUG("flag=%08x\n", iir); #endif atomic_inc(&dev_priv->irq_received); if (iir == 0) { +#ifdef __linux__ if (dev->pdev->msi_enabled) { I915_WRITE(IMR, dev_priv->irq_mask_reg); (void) I915_READ(IMR); } +#endif return IRQ_NONE; } @@ -499,12 +502,16 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); I915_WRITE(IIR, iir); +#ifdef __linux__ if (dev->pdev->msi_enabled) I915_WRITE(IMR, dev_priv->irq_mask_reg); +#endif (void) I915_READ(IIR); /* Flush posted writes */ if (iir & I915_USER_INTERRUPT) { +#ifdef I915_HAVE_GEM dev_priv->mm.irq_gem_seqno = i915_get_gem_seqno(dev); +#endif DRM_WAKEUP(&dev_priv->irq_queue); #ifdef I915_HAVE_FENCE i915_fence_handler(dev); @@ -549,7 +556,9 @@ void i915_user_irq_on(drm_i915_private_t *dev_priv) void i915_user_irq_off(drm_i915_private_t *dev_priv) { DRM_SPINLOCK(&dev_priv->user_irq_lock); +#ifdef __linux__ BUG_ON(dev_priv->irq_enabled && dev_priv->user_irq_refcount <= 0); +#endif if (dev_priv->irq_enabled && (--dev_priv->user_irq_refcount == 0)) i915_disable_irq(dev_priv, I915_USER_INTERRUPT); DRM_SPINUNLOCK(&dev_priv->user_irq_lock); |