On 05/03/2020 10:42, Chris Wilson wrote:
Fix the inverted test to emit the wait on the end of the previous
request if we /haven't/ already.
Fixes: 6a79d848403d ("drm/i915: Lock signaler timeline while navigating")
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # v5.5+
---
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 4bfe68edfc81..46dae33c1a20 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -882,7 +882,7 @@ i915_request_await_start(struct i915_request *rq, struct i915_request *signal)
return 0;
err = 0;
- if (intel_timeline_sync_is_later(i915_request_timeline(rq), fence))
+ if (!intel_timeline_sync_is_later(i915_request_timeline(rq), fence))
err = i915_sw_fence_await_dma_fence(&rq->submit,
fence, 0,
I915_FENCE_GFP);
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Regards,
Tvrtko
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