diff options
| author | Dave Airlie <airlied@linux.ie> | 2007-10-23 17:54:07 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2007-10-23 17:54:07 +1000 |
| commit | a294aa724a1e932fb6017383e08532bfcc914df0 (patch) | |
| tree | e4dca7f5fb841aff5beaedb919153eb1f8c23cdf /shared-core | |
| parent | 9a115080e870f8196adef4a19598343e63e61e45 (diff) | |
i915: require mfence before submitting batchbuffer
Diffstat (limited to 'shared-core')
| -rw-r--r-- | shared-core/i915_dma.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index d0d65f8c..f0fd6037 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -1044,6 +1044,9 @@ static int i915_execbuffer(struct drm_device *dev, void *data, if (ret) goto out_free; + /* make sure all previous memory operations have passed */ + asm volatile("mfence":::"memory"); + /* submit buffer */ batch->start = buffers[num_buffers-1]->offset; |