diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index d04c526410a..ef03a59c1df 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -427,7 +427,9 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) I915_WRITE(IMR, dev_priv->irq_mask_reg); (void) I915_READ(IIR); /* Flush posted writes */ - dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); + if (dev_priv->sarea_priv) + dev_priv->sarea_priv->last_dispatch = + READ_BREADCRUMB(dev_priv); if (iir & I915_USER_INTERRUPT) { dev_priv->mm.irq_gem_seqno = i915_get_gem_seqno(dev); @@ -456,10 +458,11 @@ static int i915_emit_irq(struct drm_device * dev) DRM_DEBUG("\n"); - dev_priv->sarea_priv->last_enqueue = ++dev_priv->counter; - + dev_priv->counter++; if (dev_priv->counter > 0x7FFFFFFFUL) - dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1; + dev_priv->counter = 1; + if (dev_priv->sarea_priv) + dev_priv->sarea_priv->last_enqueue = dev_priv->counter; BEGIN_LP_RING(6); OUT_RING(MI_STORE_DWORD_INDEX); @@ -503,11 +506,15 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr) READ_BREADCRUMB(dev_priv)); if (READ_BREADCRUMB(dev_priv) >= irq_nr) { - dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); + if (dev_priv->sarea_priv) { + dev_priv->sarea_priv->last_dispatch = + READ_BREADCRUMB(dev_priv); + } return 0; } - dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT; + if (dev_priv->sarea_priv) + dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT; i915_user_irq_get(dev); DRM_WAIT_ON(ret, dev_priv->irq_queue, 3 * DRM_HZ, @@ -519,7 +526,9 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr) READ_BREADCRUMB(dev_priv), (int)dev_priv->counter); } - dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); + if (dev_priv->sarea_priv) + dev_priv->sarea_priv->last_dispatch = + READ_BREADCRUMB(dev_priv); return ret; } @@ -682,7 +691,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data, struct list_head *list; int ret; - if (!dev_priv) { + if (!dev_priv || !dev_priv->sarea_priv) { DRM_ERROR("%s called with no initialization\n", __func__); return -EINVAL; } |