diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 21 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 25 |
2 files changed, 31 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index d71c89f..048da79 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -55,7 +55,8 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller) if (ring->space >= n) 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; if (ring->head != last_head) i = 0; @@ -128,7 +129,7 @@ void i915_kernel_lost_context(struct drm_device * dev) if (ring->space < 0) ring->space += ring->Size; - if (ring->head == ring->tail) + if (ring->head == ring->tail && dev_priv->sarea_priv) dev_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY; } @@ -433,10 +434,11 @@ static void i915_emit_breadcrumb(struct drm_device *dev) drm_i915_private_t *dev_priv = dev->dev_private; RING_LOCALS; - 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 = 0; + if (dev_priv->sarea_priv) + dev_priv->sarea_priv->last_enqueue = dev_priv->counter; BEGIN_LP_RING(4); OUT_RING(MI_STORE_DWORD_INDEX); @@ -534,6 +536,9 @@ static int i915_dispatch_flip(struct drm_device * dev) drm_i915_private_t *dev_priv = dev->dev_private; RING_LOCALS; + if (!dev_priv->sarea_priv) + return -EINVAL; + DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n", __func__, dev_priv->current_page, @@ -628,7 +633,8 @@ static int i915_batchbuffer(struct drm_device *dev, void *data, ret = i915_dispatch_batchbuffer(dev, batch); mutex_unlock(&dev->struct_mutex); - sarea_priv->last_dispatch = (int)hw_status[5]; + if (sarea_priv) + sarea_priv->last_dispatch = (int)hw_status[5]; return ret; } @@ -663,7 +669,8 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data, return ret; } - sarea_priv->last_dispatch = (int)hw_status[5]; + if (sarea_priv) + sarea_priv->last_dispatch = (int)hw_status[5]; return 0; } diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index d04c526..ef03a59 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; } |
