[Intel-gfx] [PATCH 1/2] drm/i915: Flush execution tasklets before checking request status
Chris Wilson
chris at chris-wilson.co.uk
Wed Feb 5 09:54:40 UTC 2020
Rather than flushing the submission tasklets just before we sleep, flush
before we check the request status. Ideally this gives us a moment to
process the tasklets after sleeping just before we timeout.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/i915_request.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index f56b046a32de..5c2bb0b9478b 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -1564,6 +1564,7 @@ long i915_request_wait(struct i915_request *rq,
goto out;
for (;;) {
+ intel_engine_flush_submission(rq->engine);
set_current_state(state);
if (i915_request_completed(rq)) {
@@ -1581,7 +1582,6 @@ long i915_request_wait(struct i915_request *rq,
break;
}
- intel_engine_flush_submission(rq->engine);
timeout = io_schedule_timeout(timeout);
}
__set_current_state(TASK_RUNNING);
--
2.25.0
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