diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index f295bdf16e2..d04c526410a 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -349,6 +349,21 @@ u32 i915_get_vblank_counter(struct drm_device *dev, int plane) return count; } +void +i915_gem_vblank_work_handler(struct work_struct *work) +{ + drm_i915_private_t *dev_priv; + struct drm_device *dev; + + dev_priv = container_of(work, drm_i915_private_t, + mm.vblank_work); + dev = dev_priv->dev; + + mutex_lock(&dev->struct_mutex); + i915_vblank_tasklet(dev); + mutex_unlock(&dev->struct_mutex); +} + irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) { struct drm_device *dev = (struct drm_device *) arg; @@ -422,8 +437,12 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) if (iir & I915_ASLE_INTERRUPT) opregion_asle_intr(dev); - if (vblank && dev_priv->swaps_pending > 0) - drm_locked_tasklet(dev, i915_vblank_tasklet); + if (vblank && dev_priv->swaps_pending > 0) { + if (dev_priv->ring.ring_obj == NULL) + drm_locked_tasklet(dev, i915_vblank_tasklet); + else + schedule_work(&dev_priv->mm.vblank_work); + } return IRQ_HANDLED; } @@ -514,14 +533,15 @@ int i915_irq_emit(struct drm_device *dev, void *data, drm_i915_irq_emit_t *emit = data; int result; - LOCK_TEST_WITH_RETURN(dev, file_priv); + RING_LOCK_TEST_WITH_RETURN(dev, file_priv); if (!dev_priv) { DRM_ERROR("called with no initialization\n"); return -EINVAL; } - + mutex_lock(&dev->struct_mutex); result = i915_emit_irq(dev); + mutex_unlock(&dev->struct_mutex); if (DRM_COPY_TO_USER(emit->irq_seq, &result, sizeof(int))) { DRM_ERROR("copy_to_user\n"); |