From: Ben Widawsky <benjamin.widaw...@intel.com>
Signed-off-by: Ben Widawsky <benjamin.widaw...@intel.com>
---
src/mesa/drivers/dri/i965/brw_queryobj.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_queryobj.c
b/src/mesa/drivers/dri/i965/brw_queryobj.c
index 5c3ecba..d0d0589 100644
--- a/src/mesa/drivers/dri/i965/brw_queryobj.c
+++ b/src/mesa/drivers/dri/i965/brw_queryobj.c
@@ -111,6 +111,14 @@ brw_write_depth_count(struct brw_context *brw,
drm_intel_bo *query_bo, int idx)
if (brw->gen == 9 && brw->gt == 4)
flags |= PIPE_CONTROL_CS_STALL;
+ if (brw->gen >= 10) {
+ /* "Driver must program PIPE_CONTROL with only Depth Stall Enable bit set
+ * prior to programming a PIPE_CONTROL with Write PS Depth Count Post
sync
+ * operation."
+ */
+ brw_emit_pipe_control_flush(brw, PIPE_CONTROL_DEPTH_STALL);
+ }
+
brw_emit_pipe_control_write(brw, flags,
query_bo, idx * sizeof(uint64_t),
0, 0);
--
2.9.3
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