drm/i915: Account for space on the ring buffer consumed whilst wrapping.

[net-next-2.6.git] / drivers / gpu / drm / i915 / intel_ringbuffer.c

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index a3cac5791d76272b21128399979658e0fe69d3bc..26362f8495a8791ed8d0d75657faa4b6c1af346e 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -687,6 +687,7 @@ int intel_wrap_ring_buffer(struct drm_device *dev,
                *virt++ = MI_NOOP;
 
        ring->tail = 0;
+       ring->space = ring->head - 8;
 
        return 0;
 }