Although we're phasing out brw_emit_mi_flush(), we still use it in some
places in order to "flush everything".  In a number of those places, we
write data to a buffer that we may then bind as an image surface, SSBO,
or atomic buffer.  Those usages require us to flush the data cache.
---
 src/mesa/drivers/dri/i965/brw_pipe_control.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mesa/drivers/dri/i965/brw_pipe_control.c 
b/src/mesa/drivers/dri/i965/brw_pipe_control.c
index 2a84fb8864e..53b00564b21 100644
--- a/src/mesa/drivers/dri/i965/brw_pipe_control.c
+++ b/src/mesa/drivers/dri/i965/brw_pipe_control.c
@@ -435,6 +435,7 @@ brw_emit_mi_flush(struct brw_context *brw)
       if (brw->gen >= 6) {
          flags |= PIPE_CONTROL_INSTRUCTION_INVALIDATE |
                   PIPE_CONTROL_CONST_CACHE_INVALIDATE |
+                  PIPE_CONTROL_DATA_CACHE_FLUSH |
                   PIPE_CONTROL_DEPTH_CACHE_FLUSH |
                   PIPE_CONTROL_VF_CACHE_INVALIDATE |
                   PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE |
-- 
2.14.1

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