diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_request.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_request.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c index 022f5588d906..637b8cddf988 100644 --- a/drivers/gpu/drm/i915/i915_gem_request.c +++ b/drivers/gpu/drm/i915/i915_gem_request.c @@ -773,6 +773,11 @@ i915_gem_request_await_dma_fence(struct drm_i915_gem_request *req, if (fence->context == req->fence.context) continue; + /* Squash repeated waits to the same timelines */ + if (fence->context != req->i915->mm.unordered_timeline && + intel_timeline_sync_is_later(req->timeline, fence)) + continue; + if (dma_fence_is_i915(fence)) ret = i915_gem_request_await_request(req, to_request(fence)); @@ -782,6 +787,10 @@ i915_gem_request_await_dma_fence(struct drm_i915_gem_request *req, GFP_KERNEL); if (ret < 0) return ret; + + /* Record the latest fence used against each timeline */ + if (fence->context != req->i915->mm.unordered_timeline) + intel_timeline_sync_set(req->timeline, fence); } while (--nchild); return 0; |