Settting up the irq to signal the request completion takes a finite
amount of time, during which it is possible that the request already
completed. Check afterwards, just in case, so that we can respond
immediately.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
---
drivers/gpu/drm/i915/i915_gem_request.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_request.c
b/drivers/gpu/drm/i915/i915_gem_request.c
index 0d1e0d8873ef..46d869e26b4d 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.c
+++ b/drivers/gpu/drm/i915/i915_gem_request.c
@@ -62,7 +62,7 @@ static bool i915_fence_enable_signaling(struct dma_fence
*fence)
return false;
intel_engine_enable_signaling(to_request(fence), true);
- return true;
+ return !i915_fence_signaled(fence);
}
static signed long i915_fence_wait(struct dma_fence *fence,
--
2.11.0
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