diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt_requests.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_requests.c b/drivers/gpu/drm/i915/gt/intel_gt_requests.c index ccbddddbbd52..353809ac2754 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_requests.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_requests.c @@ -33,6 +33,7 @@ long intel_gt_retire_requests_timeout(struct intel_gt *gt, long timeout) { struct intel_gt_timelines *timelines = >->timelines; struct intel_timeline *tl, *tn; + unsigned long active_count = 0; unsigned long flags; bool interruptible; LIST_HEAD(free); @@ -45,8 +46,10 @@ long intel_gt_retire_requests_timeout(struct intel_gt *gt, long timeout) spin_lock_irqsave(&timelines->lock, flags); list_for_each_entry_safe(tl, tn, &timelines->active_list, link) { - if (!mutex_trylock(&tl->mutex)) + if (!mutex_trylock(&tl->mutex)) { + active_count++; /* report busy to caller, try again? */ continue; + } intel_timeline_get(tl); GEM_BUG_ON(!tl->active_count); @@ -73,6 +76,8 @@ long intel_gt_retire_requests_timeout(struct intel_gt *gt, long timeout) list_safe_reset_next(tl, tn, link); if (!--tl->active_count) list_del(&tl->link); + else + active_count += !!rcu_access_pointer(tl->last_request.fence); mutex_unlock(&tl->mutex); @@ -87,7 +92,7 @@ long intel_gt_retire_requests_timeout(struct intel_gt *gt, long timeout) list_for_each_entry_safe(tl, tn, &free, link) __intel_timeline_free(&tl->kref); - return list_empty(&timelines->active_list) ? 0 : timeout; + return active_count ? timeout : 0; } int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout) |