diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_breadcrumbs.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_breadcrumbs.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c index dd39e4f7a560..027c93e34c97 100644 --- a/drivers/gpu/drm/i915/intel_breadcrumbs.c +++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c @@ -453,7 +453,12 @@ void intel_engine_remove_wait(struct intel_engine_cs *engine, spin_unlock_irq(&b->lock); } -static bool signal_complete(struct drm_i915_gem_request *request) +static bool signal_valid(const struct drm_i915_gem_request *request) +{ + return intel_wait_check_request(&request->signaling.wait, request); +} + +static bool signal_complete(const struct drm_i915_gem_request *request) { if (!request) return false; @@ -462,7 +467,7 @@ static bool signal_complete(struct drm_i915_gem_request *request) * signalled that this wait is already completed. */ if (intel_wait_complete(&request->signaling.wait)) - return true; + return signal_valid(request); /* Carefully check if the request is complete, giving time for the * seqno to be visible or if the GPU hung. @@ -542,13 +547,21 @@ static int intel_breadcrumbs_signaler(void *arg) i915_gem_request_put(request); } else { + DEFINE_WAIT(exec); + if (kthread_should_stop()) { GEM_BUG_ON(request); break; } + if (request) + add_wait_queue(&request->execute, &exec); + schedule(); + if (request) + remove_wait_queue(&request->execute, &exec); + if (kthread_should_park()) kthread_parkme(); } |