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-rw-r--r--src/mesa/drivers/dri/i965/brw_pipe_control.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_pipe_control.c b/src/mesa/drivers/dri/i965/brw_pipe_control.c
index 02278be6d62..879bfb660ed 100644
--- a/src/mesa/drivers/dri/i965/brw_pipe_control.c
+++ b/src/mesa/drivers/dri/i965/brw_pipe_control.c
@@ -349,14 +349,21 @@ gen7_emit_vs_workaround_flush(struct brw_context *brw)
* context restore, so the mentioned hang doesn't happen. However,
* software must program push constant commands for all stages prior to
* rendering anything, so we flag them as dirty.
+ *
+ * Finally, we also make sure to stall at pixel scoreboard to make sure the
+ * constants have been loaded into the EUs prior to disable the push constants
+ * so that it doesn't hang a previous 3DPRIMITIVE.
*/
void
gen10_emit_isp_disable(struct brw_context *brw)
{
brw_emit_pipe_control(brw,
- PIPE_CONTROL_ISP_DIS |
+ PIPE_CONTROL_STALL_AT_SCOREBOARD |
PIPE_CONTROL_CS_STALL,
NULL, 0, 0);
+ brw_emit_pipe_control(brw,
+ PIPE_CONTROL_ISP_DIS,
+ NULL, 0, 0);
brw->vs.base.push_constants_dirty = true;
brw->tcs.base.push_constants_dirty = true;