[PATCH 4/9] hmm

[Chris Wilson]

---
 drivers/gpu/drm/i915/gt/intel_lrc.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 40c5085765da..a4faef64a131 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -3211,8 +3211,11 @@ static void execlists_submit_request(struct i915_request *request)
 
 	spin_unlock_irqrestore(&engine->active.lock, flags);
 
-	if (submit)
+	if (submit) {
+		local_bh_disable();
 		flush_csb(engine);
+		local_bh_enable();
+	}
 }
 
 static void __execlists_context_fini(struct intel_context *ce)
-- 
2.20.1