i915g: Always run in sync with the HW

diff --git a/src/gallium/winsys/drm/intel/gem/intel_be_batchbuffer.c b/src/gallium/winsys/drm/intel/gem/intel_be_batchbuffer.c
index ef4d393..39032e5 100644 (file)
--- a/src/gallium/winsys/drm/intel/gem/intel_be_batchbuffer.c
+++ b/src/gallium/winsys/drm/intel/gem/intel_be_batchbuffer.c
@@ -122,6 +122,10 @@ intel_be_batchbuffer_flush(struct intel_be_batchbuffer *batch,
                }
 
                drm_intel_bo_unmap(batch->bo);
+       } else {
+               /* TODO figgure out why the gpu hangs if we don't run sync */
+               drm_intel_bo_map(batch->bo, FALSE);
+               drm_intel_bo_unmap(batch->bo);
        }
 
        intel_be_batchbuffer_reset(batch);