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-rw-r--r--shared-core/i915_dma.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c
index 14e01179..c8b7e588 100644
--- a/shared-core/i915_dma.c
+++ b/shared-core/i915_dma.c
@@ -589,8 +589,9 @@ static void i915_do_dispatch_flip(drm_device_t * dev, int pipe, int sync)
dspbase);
BEGIN_LP_RING(4);
- OUT_RING(MI_WAIT_FOR_EVENT | (pipe ? MI_WAIT_FOR_PLANE_B_FLIP :
- MI_WAIT_FOR_PLANE_A_FLIP));
+ OUT_RING(sync ? 0 :
+ (MI_WAIT_FOR_EVENT | (pipe ? MI_WAIT_FOR_PLANE_B_FLIP :
+ MI_WAIT_FOR_PLANE_A_FLIP)));
OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | (sync ? 0 : ASYNC_FLIP) |
(pipe ? DISPLAY_PLANE_B : DISPLAY_PLANE_A));
OUT_RING(dev_priv->sarea_priv->pitch * dev_priv->cpp);