diff options
Diffstat (limited to 'shared-core/i915_dma.c')
| -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; |