[PATCH 7/7] no-op

Chris Wilson chris at chris-wilson.co.uk
Sun Feb 9 13:54:31 UTC 2020


---
 drivers/gpu/drm/i915/gt/intel_lrc.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 625b666af3d1..460bc140c8cd 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -4210,7 +4210,22 @@ gen8_emit_fini_breadcrumb_footer(struct i915_request *request, u32 *cs)
 	*cs++ = MI_ARB_ON_OFF | MI_ARB_ENABLE;
 	if (intel_engine_has_semaphores(request->engine)) {
 		cs = emit_preempt_busywait(request, cs);
+
+		*cs++ = MI_NOOP;
 		cs = emit_lrm_tail(request, cs);
+		*cs++ = MI_NOOP;
+
+		*cs++ = MI_NOOP;
+		*cs++ = MI_NOOP;
+
+		*cs++ = MI_NOOP;
+		*cs++ = MI_NOOP;
+
+		*cs++ = MI_NOOP;
+		*cs++ = MI_NOOP;
+
+		*cs++ = MI_NOOP;
+		*cs++ = MI_NOOP;
 	}
 
 	request->tail = intel_ring_offset(request, cs);
-- 
2.25.0



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