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drm/i915/ringbuffer: Fix emit batch buffer regression from 8187a2b 

In commit 8187a2b, the number of dwords used in the ringbuffer for
executing the batch buffer was erroneously changed from 2 to 4.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-10-21 18:51:09 +01:00
parent b5dc608c98
commit c717966744
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_ringbuffer.c
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@ -476,7 +476,7 @@ render_ring_dispatch_gem_execbuffer(struct drm_device *dev,
intel_ring_emit(dev, ring, exec_start + exec_len - 4);
intel_ring_emit(dev, ring, 0);
} else {
intel_ring_begin(dev, ring, 4);
intel_ring_begin(dev, ring, 2);
if (INTEL_INFO(dev)->gen >= 4) {
intel_ring_emit(dev, ring,
MI_BATCH_BUFFER_START | (2 << 6)