From c99b058f132388a666544d293392d52d1def6b12 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Kristian=20H=C3=B8gsberg?= Date: Wed, 20 Aug 2008 11:20:13 -0400 Subject: i915: Make use of sarea_priv conditional. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We fail ioctls that depend on the sarea_priv with EINVAL. Signed-off-by: Kristian Høgsberg Signed-off-by: Eric Anholt Signed-off-by: Dave Airlie --- drivers/gpu/drm/i915/i915_dma.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) (limited to 'drivers/gpu/drm/i915/i915_dma.c') diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index d71c89f8802..048da791ca6 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; } -- cgit v1.2.3