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authorChris Wilson <chris@chris-wilson.co.uk>2019-06-14 12:10:53 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2019-06-14 12:16:32 +0100
commit6e4e9708614aaf743fd9eb29cc2738ab7b501c3f (patch)
tree469ebba127480fbac6cc4bc08de64fa4a9cea64f /drivers/gpu/drm/i915/i915_request.c
parenta09507682e45d62e64c93cdb810de6a280424f17 (diff)
drm/i915: Execute signal callbacks from no-op i915_request_wait
If we enter i915_request_wait() with an already completed request, but unsignaled dma-fence, signal the fence before returning. This allows us to execute any of the signal callbacks at the earliest opportunity. v2: Also signal after busyspin success Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190614111053.25615-2-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_request.c')
-rw-r--r--drivers/gpu/drm/i915/i915_request.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index 1cbc3ef4fc27..5ee1ef92a9d9 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -1437,7 +1437,7 @@ long i915_request_wait(struct i915_request *rq,
might_sleep();
GEM_BUG_ON(timeout < 0);
- if (i915_request_completed(rq))
+ if (dma_fence_is_signaled(&rq->fence))
return timeout;
if (!timeout)
@@ -1470,8 +1470,10 @@ long i915_request_wait(struct i915_request *rq,
* duration, which we currently lack.
*/
if (CONFIG_DRM_I915_SPIN_REQUEST &&
- __i915_spin_request(rq, state, CONFIG_DRM_I915_SPIN_REQUEST))
+ __i915_spin_request(rq, state, CONFIG_DRM_I915_SPIN_REQUEST)) {
+ dma_fence_signal(&rq->fence);
goto out;
+ }
/*
* This client is about to stall waiting for the GPU. In many cases