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i915: fix i915_ring_validate()

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Robert Noland 2008-09-05 11:52:53 -04:00
parent ce84511f4d
commit 3f915f68e8
1 changed files with 2 additions and 2 deletions
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4
shared-core/i915_dma.c
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@ -119,8 +119,8 @@ void i915_ring_validate(struct drm_device *dev, const char *func, int line)
{
drm_i915_private_t *dev_priv = dev->dev_private;
drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
u32 tail = I915_READ(LP_RING+RING_TAIL) & HEAD_ADDR;
u32 head = I915_READ(LP_RING+RING_HEAD) & HEAD_ADDR;
u32 tail = I915_READ(PRB0_TAIL) & HEAD_ADDR;
u32 head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
if (tail != ring->tail) {
DRM_ERROR("%s:%d head sw %x, hw %x. tail sw %x hw %x\n",